Presentations -

Problems and Solutions in the Development of Sub-THz Antennas Invited International conference

Kunio Sakakibara

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (keynote)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Recent development of beam-scanning antenna technologies and implementations for automotive radar systems in millimeter-wave band and above Invited International conference

Kunio SAKAKIBARA

2021 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  IEEE AP-S

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Event date： 2021.12

Language：English   Presentation type：Symposium, workshop panel (nominated)  

Traveling Wave Array Design of Comb-line Antenna Using Thick Elements in 270-GHz Band International conference

Balaakshaya Suresh, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Parallel Differential Line Fed Planar Aperture Antenna-in-package with X-shaped Patch in Multilayer Substrate at 300-GHz band International conference

Taisuke Uemura, Atsuya Yamazaki, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Design of 2×2 Interpolating-Fed 5×5-Element Phased Array Antenna-in-Package in 300-GHz Band International conference

Atsuya Yamazaki, Taisuke Uemura, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Center-fed Microstrip Antenna Array Fed by Slotted Broadband Transition from SIW to Two MSLs in 300-GHz Band International conference

Azuki Iwamoto, Maho Tomiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Low-Loss and Compact Design of Microstrip-Line-Fed Rotman-Lens Beamforming Network in 300-GHz Band International conference

Kenta Nishimura, Kunio Sakakibara, Yoshiki Sugimoto, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

High Cross-over Gain Design of Multi-beam Spherical Homogeneous Dielectric Lens Antenna in 270 GHz Band International conference

Yoshiki Sugimoto, Takeyuki Tsuchida, Shota Takada, Kunio Sakakibara, Takanori Narita, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Low Scan-loss Multi-beam Lens Antenna Fed by Horns with Separated Phase Centers in E/H-planes International conference

Shota Takada, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Design of Endfire Antenna in SIW with Step Structure in Multilayer Substrate at 300GHz Band International conference

Daisuke Sakai, Yoshiki Sugimoto, Kunio Sakakibara, Ken Takahashi, Nobuyoshi Kikuma

2024 International Symposium on Antennas and Propagation (ISAP2024)  2024.11  KIEES

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Event date： 2024.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Incheon   Country：Korea, Republic of  

Other Link： http://www.isap2024.org/

Center-fed Microstrip Antenna Array Fed by Slotted Broadband Transition from SIW to Two MSLs in 300-GHz Band Invited

Iwamoto Azuki, Maho Tomiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

IEICE Technical Report   2024.10  IEICE

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：ACROS Fukuoka   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20241017ncfC/eng/

300GHz-Band Phased Lens Array Antenna with Anti-reflection Structure Fed by Circular-Arc Arranged Horns Invited

Hideaki Sugiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

IEICE Technical Report   2024.10  IEICE

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：ACROS Fukuoka   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20241017pcFV/eng/

300 GHz帯結合構造を用いた2×2給電多層基板5×5素子フェーズドアレーの設計

山崎敦也，榊原久二男，杉本義喜，植村太亮，菊間信良

電子情報通信学会 ソサイエティ大会  2024.09  電子情報通信学会

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：日本工業大学   Country：Japan  

300 GHz帯多層基板内キャビティを用いた導波管バックショートSIW変換器の広帯域設計

岩本彩月，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2024.09  電子情報通信学会

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：日本工業大学   Country：Japan  

300 GHz帯におけるマイクロストリップ線路給電ロットマンレンズビーム形成回路の小型・低損失化設計

西村健汰, 杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2024.09  電子情報通信学会

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：日本工業大学   Country：Japan  

300 GHz帯における広角ビーム走査のための一次放射器を円弧配置したフェーズドレンズアレーアンテナ

杉山秀明, 杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2024.09  電子情報通信学会

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：日本工業大学   Country：Japan  

直交両偏波位相中心同時分離半円型平行平板導波管給電マルチビーム誘電体レンズアンテナ

高田翔太, 杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2024.09  電子情報通信学会

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：日本工業大学   Country：Japan  

多層基板内ダイポール励振型平行差動線路導波管変換器の設計

植村太亮，岩本彩月，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2024.09  電子情報通信学会

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Event date： 2024.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：日本工業大学   Country：Japan  

Dual-polarized Wide-angle Multi-beam Dielectric Spherical Lens Antenna in 270 GHz Band Fed by Square Horn Primary Radiators International conference

Yoshiki Sugimoto, Takeyuki Tsuchida, Kunio Sakakibara, Takanori Narita, and Nobuyoshi Kikuma

2024 IEEE Conference on Antenna Measurements & Applications (CAMA2024)  2024.10  IEEE AP-S

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Event date： 2024.10

Language：English   Presentation type：Oral presentation (general)  

Venue：Da Nang   Country：Viet Nam  

Other Link： https://2024ieeecama.org/

A 258-to-280-GHz 100-Gb/s CMOS Transmitter Element in 40-nm CMOS International conference

Shun Beppu, Toshiaki Abe, Sho Okii, Kyoya Takano, Shinsuke Hara, Satoshi Tanaka, Kosuke Katayama, Yoshiki Sugimoto, Shunichi Kubo, Akifumi Kasamatsu, Kunio Sakakibara, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima

2024 19th European Microwave Integrated Circuits Conference (EuMIC)  2024.09  EuMA

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Event date： 2024.09

Language：English   Presentation type：Oral presentation (general)  

Venue：Paris   Country：France  

Other Link： https://www.eumweek.com/

Broadband Transition between Substrate-Integrated Waveguide and Microstrip Line in Multilayer Substrate at 300-GHz Band International conference

A. Iwamoto, S. Kishi, Y. Sugimoto, K. Sakakibara, T. Shiraki and N. Kikuma

2024 54th European Microwave Conference (EuMC)  2024.09  EuMA

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Event date： 2024.09

Language：English   Presentation type：Oral presentation (general)  

Venue：Paris   Country：France  

Other Link： https://www.eumweek.com/

Development of Low-Loss and High-Gain Beam-Scanning Antennas in Sub-THz Band for Beyond 5G/6G Systems Invited International conference

Kunio Sakakibara

2024 MALAYSIA-JAPAN WORKSHOP ON RADIO TECHNOLOGY (MJWRT2024)  2024.08  IEICE, IEEE Malaysia AP/MTT/EMC Joint Chapter, IEEE AP-S Tokyo Chapter

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Event date： 2024.08

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Penang, Malaysia   Country：Malaysia  

Other Link： https://mjwrt2024.apmttemc.org/

Multi-Beam Switching Lens Antenna Fed by Powercombiner Butler-Matrix Controlling Output Port by Input Phases International conference

Y. Sugimoto, T. Sugiyama, T. Narita, K. Sakakibara and N. Kikuma

2024 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  2024.07  IEEE AP-S

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Event date： 2024.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Firenze, Italy   Country：Italy  

DOI： 10.1109/AP-S/INC-USNC-URSI52054.2024.10686605

Other Link： https://ieeexplore.ieee.org/document/10686605

Development of Low-Loss and High-Gain Beam-Scanning Planar Antennas in Sub-THz Band for B5G/6G Systems Invited International conference

Kunio Sakakibara

2024 Asian Workshop on Antennas and Propagation (AWAP2024)  2024.06  IEICE, ECTI, KIEES

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Event date： 2024.06

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Chiang Mai   Country：Thailand  

Other Link： https://sites.google.com/view/awap2024/

A 300-GHz-Band 40-Gb/s 2D Phased-Array CMOS Transmitter with Near-Half-Wave Antenna Pitch International conference

Kyoya Takano, Shun Beppu, Hayato Yagi, Yoshiki Sugimoto, Kunio Sakakibara, Shinsuke Hara, Mohamed H. Mubarak, Akifumi Kasamatsu, Shunichi Kubo, Kosuke Katayama, Satoshi Tanaka, Takeshi Yoshida, Shuhei Amakawa Minoru Fujishima

2024 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)  2024.06  IEEE

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Event date： 2024.06

Language：English   Presentation type：Oral presentation (general)  

Venue：Washington, DC   Country：United States  

DOI： 10.1109/RFIC61187.2024.10599981

Other Link： https://ieeexplore.ieee.org/document/10599981

Sub-THz Multi-beam Antennas for Virtualized Terminal Technology International conference

Y. Sugimoto, K. Sakakibara, T. Tsuchida, T. Sugiyama, S. Kishi, A. Iwamoto, K. Nishimura, T. Narita, M. Sakamoto, N. Kikuma, S. Ito, Y. Kunisawa, T. Hayashi

2024 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit)  2024.06  IEEE

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Event date： 2024.06

Language：English   Presentation type：Oral presentation (general)  

Venue：Antwerp, Belgium   Country：Belgium  

DOI： 10.1109/EuCNC/6GSummit60053.2024.10597021

Other Link： https://ieeexplore.ieee.org/document/10597021

International Activities in the Technical Committee on Antennas and Propagation Invited

Kunio Sakakibara, Takeshi Fukusako, Takashi Hikage, Toru Takahashi

IEICE Technical Report   2024.05  IEICE

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Event date： 2024.05

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Okinawa Industory Support Center   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20240517mcDC/eng/

Grating-Lobe Suppressing Feed Technique for 2D Phased Array with Interpolating Excitation Elements in 300-GHz band International conference

A. Yamazaki, K. Sakakibara, Y. Sugimoto, T. Uemura, A. Iwamoto and N. Kikuma

2024 IEEE International Workshop on Antenna Technology (iWAT)  2024.04  IEEE AP-S

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Event date： 2024.04

Language：English   Presentation type：Oral presentation (general)  

Venue：Sendai, Japan   Country：Japan  

DOI： 10.1109/iWAT57102.2024.10535883

Other Link： https://ieeexplore.ieee.org/document/10535883

Mechanical/Electrical Hybrid 2-Dimensional Beam Scanning Cylindrical Dielectric Lens Antenna International conference

Y. Sugimoto, T. Narita, K. Sakakibara, T. H. Nguyen and N. Kikuma

2024 18th European Conference on Antennas and Propagation (EuCAP)  2024.03  EurAAP

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Event date： 2024.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Glasgow, United Kingdom   Country：United Kingdom  

DOI： 10.23919/EuCAP60739.2024.10501064

Other Link： https://ieeexplore.ieee.org/document/10501064

仮想化端末技術に適したサブテラヘルツ帯マルチビームアンテナの開発

榊原久二男，杉本義喜，土田偉千，杉山拓矢，岸峻平，岩本彩月，西村健汰，成田貴則，坂本資子，伊藤智史，林高弘，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

300GHz帯多層基板内SIW-MSL変換器の広帯域設計

岩本彩月，岸峻平，杉本義喜，榊原久二男，白木嵩，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

補間給電多層基板開口フェーズドアレーのビーム走査特性

山崎敦也，植村太亮，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

多層基板に構成した並行差動線路給電によるX字型パッチ励振開口アンテナの設計

植村太亮，山崎敦也，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

ビーム走査レンズアンテナ給電用位相中心分離ホーン一次放射器最適設計

高田翔太，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

300GHz帯基板内導波管スロット結合層変換器の広帯域設計

白木嵩，岸俊平，岩本彩月，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

電力合成回路給電によるマルチビームレンズアンテナの高EIRP設計

杉山貴紀，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

300 GHz 帯多層基板 SIW 開放端放射フェーズドアレーの設計

中島芽意，杉本義喜，榊原久二男，高橋健，菊間信良

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

300GHz帯平面アンテナ設計における銅箔表面粗さ影響の検討

三木祐太郎，グエン　タン　トゥアン，山岸傑，桑山一郎，榊原久二男，杉本義喜

電子情報通信学会 総合大会  2024.03  電子情報通信学会

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Event date： 2024.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島大学   Country：Japan  

25.9-Gb/s 259-GHz Phased-Array CMOS Receiver Module with 28° Steering Range International conference

Shinsuke Hara, Mohamed H. Mubarak, Akifumi Kasamatsu, Yoshiki Sugimoto, Kunio Sakakibara, Kyoya Takano, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima

2024 IEEE Radio and Wireless Symposium (RWS)  2024.01  IEEE

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Event date： 2024.01

Language：English   Presentation type：Oral presentation (general)  

Venue：San Antonio, TX, USA   Country：United States  

DOI： 10.1109/RWS56914.2024.10438659

Other Link： https://ieeexplore.ieee.org/document/10438659

Beam-Scanning Antennas in Sub-THz Band Invited International conference

Kunio Sakakibara

2024 Vietnam-Japan International Symposium on Antennas and Propagation (VJISAP2024)  2024.01  Electric Power University

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Event date： 2024.01

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Hanoi   Country：Viet Nam  

Other Link： https://www.ieice.org/cs/ap/event/adhoc_meetings/overseas/vjisap2024/

A 2D Beam-Steerable 252-285-GHz 25.8-Gbit/s CMOS Receiver Module Invited

Takeshi Yoshida (Hiroshima Univ.), Shinsuke Hara, Tatsuo Hagino, Mohamed Mubarak, Akifumi Kasamatsu (NICT), Kyoya Takano (Tokyo Univ. of Science), Yoshiki Sugimoto, Kunio Sakakibara (Nagoya Inst. of Tech.), Shuhei Amakawa, Minoru Fujishima (Hiroshima Univ.)

IEICE Technical Report   2023.11  IEICE

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Event date： 2023.11

Language：Japanese   Presentation type：Oral presentation (invited, special)  

Venue：Kumamoto Prefectural Workers' Welfare Hall   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20231116wCYX/eng/

Antenna Integrated Techniques and Problems in Sub-THz Wave Band Invited

Kunio Sakakibara, Yoshiki Sugimoto, Rohani Bakar, Takanori Narita, Motoko Sakamoto, Bazilah Baharom, Chatchai Chockchai, Shumpei Kishi, Takuya Sugiyama, Takeyuki Tsuchida, Azuki Iwamoto, Atsuya Yamazaki, Taisuke Uemura, Nobuyoshi Kikuma

IEICE Technical Report   2023.11  IEICE

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Event date： 2023.11

Language：Japanese   Presentation type：Oral presentation (invited, special)  

Venue：Kumamoto Prefectural Workers' Welfare Hall   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/202311179CYX/eng/

Broadband Waveguide Transitions and Loss Measurement Technique of Planar Transmission Lines in Millimeter-Wave Band International conference

Kunio Sakakibara, Shumpei Kishi, Azuki Iwamoto, Yoshiki Sugimoto, Takanori Narita, Nobuyoshi Kikuma

2023 International Symposium on Antennas and Propagation (ISAP2023)  2023.10  IEEE

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Event date： 2023.10 - 2023.11

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Kuala Lumpur   Country：Malaysia  

Other Link： https://isap2023.apmttemc.org/

Wideband Waveguide-to-differential-line Transition with Slots and Back-short in Multilayer Substrate International conference

Azuki Iwamoto, Makoto Yamazaki, Yoshiki Sugimoto, Kunio Sakakibara, Shumpei Kishi , Nobuyoshi Kikuma

2023 International Symposium on Antennas and Propagation (ISAP2023)  2023.11  IEEE

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Event date： 2023.10 - 2023.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur   Country：Malaysia  

Other Link： https://isap2023.apmttemc.org/

Low-profile Multi-beam Lens Antenna with Corrugation to Suppress Surface Reflection of High-permittivity Material in 300 GHz Band International conference

Takuya Sugiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2023 International Symposium on Antennas and Propagation (ISAP2023)  2023.11  IEEE

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Event date： 2023.10 - 2023.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur   Country：Malaysia  

Other Link： https://isap2023.apmttemc.org/

Broadband GCPW-to-Waveguide Transition in Multi-Layer Dielectric Substrate with Double Patch and Corrugation Structures in 275 GHz Band International conference

Chatchai Chokchai, Yoshiki Sugimoto, Kunio Sakakibara, and Nobuyoshi Kikuma

2023 International Symposium on Antennas and Propagation (ISAP2023)  2023.11  IEEE

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Event date： 2023.10 - 2023.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur   Country：Malaysia  

Other Link： https://isap2023.apmttemc.org/

Beam-scanning Performance of 2 × 2 Shaped Lens Array Antenna in 300 GHz Band International conference

Bazilah Baharom, Yoshiki Sugimoto, Kunio Sakakibara, and Nobuyoshi Kikuma

2023 International Symposium on Antennas and Propagation (ISAP2023)  2023.11  IEEE

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Event date： 2023.10 - 2023.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur   Country：Malaysia  

Other Link： https://isap2023.apmttemc.org/

274-GHz Substrate-Integrated-Waveguide Fed Rotman-Lens Multibeam Antenna Integrated in Multi-Layer Substrate International conference

Shumpei Kishi, Kunio Sakakibara, Yoshiki Sugimoto, Takafumi Morioka, Jihoon Kim, Nobuyoshi Kikuma

2023 International Symposium on Antennas and Propagation (ISAP2023)  2023.11  IEEE

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Event date： 2023.10 - 2023.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur   Country：Malaysia  

Other Link： https://isap2023.apmttemc.org/

High Crossover Level Design of a 300 GHz Band Multi-beam Spherical Homogeneous Dielectric Lens Antenna

Takeyuki Tsuchida, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

IEICE Technical Report   2023.10  IEICE

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Event date： 2023.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Iwate University   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20231019hCXo/eng/

Gain Improvement by One-dimensional Anti-reflection Structure on Low-profile Multi-beam High-permittivity Lens Antenna at 300GHz Band

Takuya Sugiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

IEICE Technical Report   2023.10  IEICE

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Event date： 2023.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Iwate University   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20231019DCXo/eng/

Development of High-Gain and Beam-Scanning Antennas in Sub-THz Wave Band Invited International conference

Kunio Sakakibara

2023 8th International Conference on Space Science and Communications (IconSpace2023)  2023.10  UKM

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Event date： 2023.10

Language：English   Presentation type：Oral presentation (keynote)  

Venue：Penang, Malaysia   Country：Malaysia  

Other Link： https://www.ukm.my/iconspace/keynote-speaker/

振幅分布一様設計方形底面レンズを用いた300 GHz帯2×2レンズアレーアンテナの放射特性

バジラ バハロム，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2023.09  電子情報通信学会

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Event date： 2023.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：名古屋大学   Country：Japan  

300 GHz帯田曽基板内バックショート構造を用いた導波管グランド付きコプレナ線路変換器の設計

岩本彩月，岸峻平 ，杉本義喜 ，榊原久二男 ，菊間信良

電子情報通信学会 ソサイエティ大会  2023.09  電子情報通信学会

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Event date： 2023.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：名古屋大学   Country：Japan  

集積回路を実装する多層基板に内蔵した開口アンテナの設計

山崎敦也，岩本彩月 ，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 ソサイエティ大会  2023.09  電子情報通信学会

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Event date： 2023.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：名古屋大学   Country：Japan  

Reports of Attending IEEE AP-S/URSI 2023 and Organizing Special Session

Kunio Sakakibara (NITech), Takuji Arima (TUAT), Yoshiki Sugimoto, Shumpei Kishi (NITech)

IEICE Technical Report   2023.09  IEICE

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Event date： 2023.08 - 2023.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：KOZO KEIKAKU ENGINEERING Inc.   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20230901HCWI/eng/

Broadband Transition from Waveguide to Substrate-Integrated Waveguide with Back-shot Structure in Multilayer Substrate at 300-GHz Band Invited International conference

Shumpei Kishi, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2023 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  2023.07  IEEE AP-S

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Event date： 2023.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Portland, USA   Country：United States  

DOI： 10.1109/USNC-URSI52151.2023.10237718

Other Link： https://ieeexplore.ieee.org/document/10237718

Improvement of beam-scanning gain of multi-beam lens antenna fed by circularly arranged horns with separated phase centers in E/H-planes Invited International conference

Yoshiki Sugimoto, Keiichi Hibi, Takanori Narita, Kunio Sakakibara Tuan Hung Nguyen, Nobuyoshi Kikuma

2023 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  2023.07  IEEE AP-S

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Event date： 2023.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Portland, USA   Country：United States  

DOI： 10.1109/USNC-URSI52151.2023.10237396

Other Link： https://ieeexplore.ieee.org/document/10237396

Beam-scanning Antennas and Integrated Techniques in Sub-THz Wave Band Invited

Kunio Sakakibara, Yoshiki Sugimoto, Rohani Bakar, Jihoon Kim, Motoko Sakamoto, Takanori Narita, Bazilah Baharom, Chatchai Chockchai, Shumpei Kishi, Takuya Sugiyama, Takeyuki Tsuchida, Azuki Iwamoto, Atsuya Yamazaki, Maho Tomiyama, Nobuyoshi Kikuma

IEICE Technical Report   2023.07  IEICE

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Event date： 2023.07

Language：Japanese   Presentation type：Oral presentation (invited, special)  

Venue：Niigata University, Tokimeito   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20230721BCW1/eng/

Low-profile Design of Mechanical/Electrical Hybrid 2-dimensional Beam Scanning Cylindrical High-permittivity Lens Antenna with Surface Matching Structure International coauthorship

Yoshiki Sugimoto (NITech), Tuan Hung Nguyen (Le Quy Don Technical Univ.), Takanori Narita, Kunio Sakakibara, Nobuyoshi Kikuma (NITech)

IEICE Technical Report   2023.06  IEICE

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Event date： 2023.06

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Nagano Prefecture Minamimaki Village Office, Central Public Hall   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20230601zCvX/eng/

Travelling-wave Design of corner-cut Serpent Array Antenna in 275GHz Band International conference

Jihoon Kim,Yoshiki Sugimoto,Kunio Sakakibara,Nobuyoshi Kikuma

The 17th European Conference on Antennas and Propagation (EuCAP 2023)  EurAAP

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Event date： 2023.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Florence, Italy   Country：Italy  

Other Link： https://ieeexplore.ieee.org/document/10133401

300GHz 帯補完給電多層基板開口フェーズドアレーのグレーティングローブ抑圧

榊原久二男，富山真帆，山崎敦也，山崎誠，バカルロハニ，杉本義喜，菊間信良

電子情報通信学会 総合大会  2023.03  電子情報通信学会

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Event date： 2023.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：芝浦工業大学   Country：Japan  

300 GHz 帯マイクロストリップサーペントアレーアンテナの設計

キム・ジフン，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2023.03  電子情報通信学会

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Event date： 2023.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：芝浦工業大学   Country：Japan  

位相中心直交面分離一次放射器を用いたマルチビーム誘電体レンズアンテナのビーム走査特性の改善

杉本義喜，日比慶一，榊原久二男，菊間信良

電子情報通信学会 総合大会  2023.03  電子情報通信学会

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Event date： 2023.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：芝浦工業大学   Country：Japan  

一次元反射防止構造による高誘電率マルチビームレンズアンテナの利得改善

杉山拓矢，杉本義喜，榊原久二男，菊間信良

電子情報通信学会 総合大会  2023.03  電子情報通信学会

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Event date： 2023.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：芝浦工業大学   Country：Japan  

多層基板内バックショート導波管差動線路変換器の設計

岩本彩月、山崎誠、杉本義喜、榊原久二男、菊間信良

電子情報通信学会 総合大会  2023.03  電子情報通信学会

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Event date： 2023.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：芝浦工業大学   Country：Japan  

300GHz帯多層基板内バックショート変換器の設計

岸峻平、杉本義喜、榊原久二男、菊間信良

電子情報通信学会 総合大会  2023.03  電子情報通信学会

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Event date： 2023.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：芝浦工業大学   Country：Japan  

Planar-Line-to-Waveguide Transitions in Millimeter-Wave and Terahertz-Wave Bands Invited International conference

Kunio Sakakibara

The 2022 Asia-Pacific Microwave Conference (APMC 2022)  2022.11  IEICE

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Event date： 2022.11 - 2022.12

Language：English   Presentation type：Symposium, workshop panel (nominated)  

Venue：Yokohama   Country：Japan  

Planar-Line-to-Waveguide Transitions in Millimeter-Wave and Terahertz-Wave Bands Invited International conference

Kunio Sakakibara

2022 Asia-Pacific Microwave Conference (APMC2022) 

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Event date： 2022.11 - 2022.12

Language：English   Presentation type：Symposium, workshop panel (nominated)  

Venue：Yokohama, Japan   Country：Japan  

Other Link： https://apmc-mwe.org/apmc2022/program/ws.html

Low profile cylindrical lens antenna with matching structures for 2-dimensional beam-scanning International coauthorship International conference

Yoshiki Sugimoto, Tuan Hung Nguyen, Quoc Dinh Nguyen, Shuya Suzuki, Takanori Narita, Kunio Sakakibara, Nobuyoshi Kikuma

2022 International Symposium on Antennas and Propagation (ISAP2022)  2022.11 

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Event date： 2022.10 - 2022.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Sydney   Country：Australia  

Design for uniform aperture distribution of 2×2 lens array using concave-convex lens in THz band International coauthorship International conference

Bazilah Baharom, Yoshiki Sugimoto, Kunio Sakakibara, Bakar Rohani, Nobuyoshi Kikuma, Yoshihide Yamada

2022 International Symposium on Antennas and Propagation (ISAP2022)  2022.11 

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Event date： 2022.10 - 2022.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Sydney   Country：Australia  

Bandwidth extension of GSCPW-to-waveguide transition in multi-layer dielectric substrate by corrugation structures in THz band International conference

Chatchai Chokchai, Henry Abu Diawuo, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2022 International Symposium on Antennas and Propagation (ISAP2022)  2022.11 

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Event date： 2022.10 - 2022.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Sydney   Country：Australia  

A design of 275 GHz beamforming network using partial Maxwell’s fisheye lens International conference

Jihoon Kim, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

2022 International Symposium on Antennas and Propagation (ISAP2022)  2022.11 

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Event date： 2022.10 - 2022.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Sydney   Country：Australia  

300GHz帯8ビーム切り替え誘電体レンズアンテナの試作特性

杉本義喜、杉山拓矢、成田貴則、Bakar Rohani、榊原久二男、 菊間信良

電子情報通信学会 ソサイエティ大会  2022.09  電子情報通信学会

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Event date： 2022.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン   Country：Japan  

Design of Microstrip-Line-Fed Rotman-lens Beamforming Network at 274 GHz International conference

Takafumi Morioka, Shumpei Kishi, Kunio Sakakibara, Yoshiki Sugimoto, and Nobuyoshi Kikuma

2022 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM 2022)  2022.08  IEEE AP-S

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Event date： 2022.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Chiba Institute of Technology   Country：Japan  

Narrow-pitch angle multibeam dielectric lens antenna illuminated by dielectric rod antenna International conference

Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma,

2022 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  2022.07  IEEE AP-S

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Event date： 2022.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Denver, USA   Country：United States  

Other Link： https://ieeexplore.ieee.org/document/9886364

Constant and graded cross-section double-convex mechanical sliding cylindrical lens antennas -- wide scan lens optimization --

Derek Gray, Kunio Sakakibara

IEICE Technical Report   2022.05  IEICE

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Event date： 2022.05

Language：English   Presentation type：Oral presentation (general)  

Venue：Kobe Port Oasis   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20220520uC9n/eng/

Design of Shaped Dielectric Lens Antennas for 2 × 2 Lens Antenna Array

Bazilah Bahalom, Yoshiki Sugimoto, Hideaki Sugiyama, Kunio Sakakibara

IEICE General Conference  IEICE

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Event date： 2022.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Online  

Design of GCPW-to-Waveguide Transition in Multi-Layer Dielectric Substrate with Single Patch and Corrugated Structures in 275 GHz Band

Chatchai Chokchai, Makoto Yamazaki, Henry Abu Diawuo, Kunio Sakakibara, Yoshiki Sugimoto, Nobuyoshi Kikuma

IEICE General Conference  IEICE

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Event date： 2022.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Online  

反射防止構造による低姿勢誘電体レンズアンテナの高効率化

石原僚汰、杉本義喜、榊原久二男、菊間信良、菅沼孝吉、荒井孝之、齊藤共啓

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

テラヘルツ帯におけるマイクロストリップ線路給電 ロットマンレンズビーム形成回路の設計

森岡隆文、岸峻平、榊原久二男、杉本義喜、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

広帯域多層基板内X字型パッチ励振差動線路導波管変換器の設計

山崎誠、ヘンリーアブディアウオ、チャッチャイチョクチャイ、榊原久二男、杉本義喜、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

テラヘルツ帯における基板内導波管ロットマンレンズビーム形成回路の設計

岸峻平、森岡隆文、榊原久二男、杉本義喜、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

テラヘルツ帯における球状均一誘電体レンズアンテナのマルチビーム特性

土田偉千、杉本義喜、榊原久二男、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

２レンズアレー素子用底面角形レンズアンテナの放射特性

杉山秀明、杉本義喜、バハロム バジラ、榊原久二男、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

誘電体ロッドアンテナ給電による誘電体レンズアンテナのマルチビーム特性

杉本義喜、榊原久二男、 菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2022.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

Constant and graded cross-section plano-convex mechanical sliding cylindrical lens antennas - scanning and reflection characteristics –

Derek Gray, Kunio Sakakibara

IEICE Technical Report   2022.02  IEICE

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Event date： 2022.02

Language：English   Presentation type：Oral presentation (general)  

Venue：Online   Country：Japan  

Constant and graded cross-section plano-convex mechanical sliding cylindrical lens antennas -- scanning and reflection characteristics --

Derek Gray, Kunio Sakakibara

IEICE Technical Report   2022.02  IEICE

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Event date： 2022.02

Language：English   Presentation type：Oral presentation (general)  

Venue：Online   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20220218QCIr/eng/

Design of Broadband Differential-Line-to-Waveguide Transition in Multi-layer Dielectric Substrates Exciting X-shaped Patch Element in 280GHz band

Makoto Yamazaki, Henry Abu Diawuo, Chatchai Chokchai, Kunio Sakakibara, Yoshiki Sugimoto, Nobuyoshi Kikuma

IEICE Technical Report   2022.01  IEICE

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Event date： 2022.02

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Online   Country：Japan  

Other Link： https://ken.ieice.org/ken/paper/20220127tC7a/eng/

Gain Enhancement of Square Bottom Lens for Lens Array Antennas International conference

Hideaki Sugiyama, Yoshiki Sugimoto, Bazilah Baharom, Kunio Sakakibara, Nobuyoshi Kikuma

The 2022 Malaysia-Japan Workshop on Radio Technology (MJWRT2022)  2022.01  IEICE

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Event date： 2022.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Online   Country：Malaysia  

Simulated Performances of Low Profile 2×2 Lens Antenna Array in 300GHz Band International conference

Bazilah Baharom, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

The 2022 Malaysia-Japan Workshop on Radio Technology (MJWRT2022)  2022.01  IEICE

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Event date： 2022.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Online   Country：Malaysia  

Ripple suppression in 300GHz band cylindrical lens International conference

Derek GRAY, Kunio SAKAKIBARA, Shuya SUZUKI, Ryota ISHIHARA, Yoshiki SUGIMOTO, Nobuyoshi KIKUMA

2021 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  IEEE AP-S

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Event date： 2021.12

Language：English   Presentation type：Oral presentation (general)  

mm-wave and THz-wave Beam-scanning Antenna Technologies for Automotive Radars and beyond 5G Mobile Communication Systems Invited International conference

Kunio Sakakibara

2021 7th International Conference on Space Science and Communications (IconSpace2021) 

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Event date： 2021.11

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Kuala Lumpur, Malaysia  

A 76-Gbit/s 265-GHz CMOS Receiver International conference

S. Hara, R. Dong, S. Lee, K. Takano, N. Toshida, S. Tanoi, T. Hagino, M. H. Mubarak, N. Sekine, I. Watanabe, A. Kasamatsu, K. Sakakibara, S. Kubo, S. Miura, Y. Umeda, T. Yoshida, S. Amakawa, M. Fujishima

2021 IEEE Asian Solid-State Circuits Conference (A-SSCC)  2021.11  IEEE SSCC

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Event date： 2021.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Busan   Country：Korea, Republic of  

Other Link： https://ieeexplore.ieee.org/document/9634780

Effect of E-plane end shape on ripple suppression and focal arc of 300GHz band cylindrical lens International conference

Derek GRAY, Kunio SAKAKIBARA

2021 International Symposium on Antennas and Propagation (ISAP2021)  IEICE

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Event date： 2021.10

Language：English   Presentation type：Oral presentation (general)  

Millimeter-wave and Teraherz-wave Beam-scanning Antenna Technologies for Automotive Radars and beyond 5G Mobile Communication Systems Invited International conference

Kunio Sakakibara

2021 International Conference on Advanced Technologies for Communications (ATC2021)  2021.10 

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Event date： 2021.10

Language：English   Presentation type：Oral presentation (keynote)  

Venue：Ho Chi Minh City, Vietnam   Country：Viet Nam  

Performance Comparison of Lens Antenna Arrays Depending on the Lens Shaping Designs

Bazilah Baharom, Yoshiki Sugimoto, Kunio Sakakibara, Akira Yamano, Nobuyoshi Kikuma

IEICE Technical Report   IEICE

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Event date： 2021.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Online  

A 258-GHz CMOS Transmitter with Phase-Shifting Architecture for Phased-Array Systems International conference

Toyoyuki Hagiwara, Natsu Yamaki, Koki Sekine, Hajime Sakai, Kenta Sahara, Kyoya Takano, Shinsuke Hara, Sangyeop Lee, Ruibing Dong, Satoru Tanoi, Shunichi Kubo, Satoshi Miura, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Kunio Sakakibara, Yohtaro Umeda, Minoru Fujishima

2021 IEEE/MTT-S International Microwave Symposium - IMS 2021  IEEE MTT-S

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Event date： 2021.06

Language：English   Presentation type：Oral presentation (general)  

Venue：Atlanta, GA, USA  

This paper presents a 258-GHz CMOS transmitter with phase-shifting capability for phased-array systems targeting sixth-generation mobile network (6G). Phase shifters are inserted in local oscillator (LO) paths to limit the bandwidth required of the phase shifters. A power detector is used to detect and calibrate the phase difference between a pair of phase shifters in the two power-combined paths of the transmitter. It is fabricated using a 40-nm CMOS technology. A data rate of 16 Gb/s and output power of -6.8 dBm are achieved with quaternary phase-shift keying (QPSK). The calibration procedure of the phase shifters is verified by simulation.

高周波集積回路における差動線路 導波管接続回路の設計

榊原久二男、鞠山匠汰、利田直也、ヘンリー アブ ディアウオ、山崎誠、バカル ロハニ、ディレック グレイ、杉本義喜、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2021.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

3ホーン給電レンズフェーズドマルチビーム合成による広角高利得広帯域300GHz帯アンテナ

山野瑛、榊原久二男、竹嶋大智、石原僚汰、バカル ロハニ、鈴木柊夜、杉本義喜、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2021.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

二層基板を用いた導波管マイクロストリップ線路変換器の広帯域化

森岡隆文、榊原久二男、杉本義喜、菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2021.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

300GHz帯における円錐型反射防止膜によるレンズ表面における反射低減

石原僚汰、榊原久二男、杉本義喜、菊間信良、菅沼孝吉

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2021.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：オンライン  

Measured Performance of High Gain Dielectric Lens Antenna in 300 GHz Band International conference

Ryota Ishihara, Kunio Sakakibara, Nobuyoshi Kikuma, Yoshiki Sugimoto, Yoshihide Yamada, Nurul Huda Abd Rahman

2020 International Symposium on Antennas and Propagation (ISAP2020)  IEICE

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Event date： 2021.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Osaka  

Design of Meta-Surface to Reduce Reflection Loss of Multi-Layer Dielectric Plate by Deriving Optimum Equivalent Circuit in Transmission Line Model Invited International conference

Kunio Sakakibara

2020 Asia-Pacific Microwave Conference (APMC2020) 

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Event date： 2020.12

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Hong Kong  

Design of Broadband Transition from Hollow Waveguide to Differential Line on Multi-layer Dielectric Substrates International conference

Shota Mariyama, Kunio Sakakibara, Nobuyoshi Kikuma, and Yoshiki Sugimoto

2020 International Conference on Emerging Technologies for Communications (ICETC2020)  IEICE

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Event date： 2020.12

Language：English   Presentation type：Oral presentation (general)  

Venue：Online  

Spherical Arrangement of Primary Radiators in Dielectric Lens Multi-beam Antenna for Wide Scan-angle in 300GHz band International conference

Daichi Takeshima, Kunio Sakakibara, Yoshiki Sugimoto, Nobuyoshi Kikuma

2020 International Conference on Emerging Technologies for Communications (ICETC2020)  IEICE

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Event date： 2020.12

Language：English   Presentation type：Oral presentation (general)  

Venue：Online  

Beam-Scanning Antenna Technologies in Millimeter-Wave and Teraherz Bands Invited

Kunio Sakakibara, Yoshiki Sugimoto, Nobuyoshi Kikuma

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Event date： 2020.11 - 2020.12

Language：English   Presentation type：Oral presentation (invited, special)  

Millimeter-Wave Antenna Beam Forming Techniques Using Multi-Layer Fluorocarbon Resin PCB Invited

Kunio Sakakibara, Kento Yamada, Shota Mariyama, Nguyen Thanh Tuan, Yoshiki Sugimoto, Nobuyoshi Kikuma

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Event date： 2020.11 - 2020.12

Language：English   Presentation type：Oral presentation (invited, special)  

Broadband High-gain Beam-scanning Phased Lens Arrays in 300GHz band

Kunio Sakakibara, Akira Yamano, Naoya Toshida, Daichi Takeshima, Ryota Ishihara, Shota Mariyama, Henry Diawuo Abu, Rohani Baker, Yoshiki Sugimoto, Nobuyoshi Kikuma (NITech), Yoshihide Yamada (UTM-MJIIT), Nurul Huda Abd Rahman (UiTM)

Technical Committee on Antennas and Propagation  IEICE

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Event date： 2020.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Online  

Implementation of RF Circuits in Beam-scanning Antennas for Automotive Radar Systems International conference

Kunio Sakakibara, Nobuyoshi Kikuma, and Yoshiki Sugimoto

2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT2020)  IEEE

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Event date： 2020.09

Language：English   Presentation type：Oral presentation (general)  

Venue：Hiroshima  

Planar Transmission-Line Transitions for Perpendicular Connection between Microstrip Line and Waveguide in Millimeter-Wave Band International conference

Kunio Sakakibara, Nguyen Thanh Tuan, Nobuyoshi Kikuma, and Yoshiki Sugimoto

2020 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM 2020)   IEEE

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Event date： 2020.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Penghu, Taiwan  

Low Reflection Design of Meta-surface in Dielectric Plate by Deriving Optimum Equivalent-circuit Parameters Invited

Kunio Sakakibara, Takahiro Murai, Yoshiki Sugimoto, Nobuyoshi Kikuma

Technical Committee on Antennas and Propagation  IEICE

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Event date： 2020.08

Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

Venue：Online  

Recent Development of Beam-scanning Antennas for Automotive Millimeter-wave Radar Systems Invited International conference

Kunio Sakakibara

2019 International Symposium on Novel and Sustainable Technology (2019 ISNST)  the Southern Taiwan University of Science and Technology (STUST)

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Event date： 2019.12

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Tainan City, Taiwan  

Planar Microstrip-to-Waveguide Transitions in Millimeter-wave Band International conference

Kunio Sakakibara, Nguyen Thanh Tuan, and Nobuyoshi Kikuma

The Philippines-Japan Workshop on Wireless, Radio and Antenna Technologies (PJWWRAT)  the Technical Committee on Antennas and Propagation of the Institute of Electronics, Information and Communication Engineers (IEICE), the Department of Science and Technology - Advanced Science and Technology Institute (DOST-ASTI) along with the Wireless Communications Engineering Laboratory (WCEL)

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Event date： 2019.12

Language：English   Presentation type：Oral presentation (general)  

Venue：Manila, Philippines  

Multibeam Antennas using Multi-layer Substrate in Millimeter wave Band Invited International conference

Kunio Sakakibara, Nguyen Tuan, Shugo Yamauchi, Kento Yamauchi, Shota Mariyama, Nobuyoshi Kikuma

2019 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE) 

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Event date： 2019.11

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Malacca, Malaysia  

Millimeter-wave Two-dimensional Broadband Planar Array Composed of Partially Parallel-feeding Two-line Slotted Waveguides fed by Tournament Feeding Circuit Invited International conference

Kunio Sakakibara, Haruki Umemura, Haruna Yokoi, Taishin Niwa, and Nobuyoshi Kikuma

2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS) 

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Event date： 2019.11

Language：English   Presentation type：Symposium, workshop panel (nominated)  

Venue：Tel Aviv, Israel  

Broadband Center-Fed Waveguide Linear Array Composed of DoubleSlotted Cavity Sub-arrays International conference

Haruna Yokoi, Kunio Sakakibara, Nobuyoshi Kikuma

2019 International Symposium on Antennas and Propagation (ISAP2019) 

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Event date： 2019.10

Language：English   Presentation type：Poster presentation  

Venue：Xi'an, China  

Best Student Paper Award

Design of Two-Dimensional Microstrip Planar Arrays for Arbitrary Linear Polarizations Using Rounded Radiating Elements International conference

Ryosuke Kojima, Kunio Sakakibara, Nobuyoshi Kikuma

2019 International Symposium on Antennas and Propagation (ISAP2019) 

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Event date： 2019.10

Language：English   Presentation type：Poster presentation  

Venue：Xi'an, China  

多層基板内の複数層に構成された金属導波管基板内導波路変換器の設計

鞠山匠汰, 榊原久二男, 菊間信良

電子情報通信学会アンテナ・伝播研究会  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

二重層誘電体基板にフィンラインを用いたミリ波4×4バトラーマトリックスの設計

グエン タン トゥアン, 榊原久二男, 菊間信良

電子情報通信学会アンテナ・伝播研究会  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

二層誘電体中央に金属パターンを構成した広帯域周波数選択板の試作評価

村井崇紘, 稲生翔太, 榊原久二男, 菊間信良

革新的無線通信技術に関する横断型研究会（MIKA）  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Poster presentation  

Venue：北海道大学  

グレーティングローブ抑圧狭幅狭壁導波管スロットアレーの設計

丹羽大心, 稲生翔太, 榊原久二男, 菊間信良

革新的無線通信技術に関する横断型研究会（MIKA）  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Poster presentation  

Venue：北海道大学  

多層基板各層に構成された基板内導波路放射用スロットペアとアレー放射特性

山田健人, 榊原久二男, 菊間信良

革新的無線通信技術に関する横断型研究会（MIKA）  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Poster presentation  

Venue：北海道大学  

端部円形放射素子を用いたミリ波帯二次元任意角直線偏波マイクロストリップコムラインアレーアンテナの試作特性

小島亮輔, 榊原久二男, 菊間信良

革新的無線通信技術に関する横断型研究会（MIKA）  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Poster presentation  

Venue：北海道大学  

多層基板内の複数層に構成された金属導波管基板内導波路変換器の設計

鞠山匠汰, 榊原久二男, 菊間信良, 小山達也, 奥長剛, 岩佐光次郎

革新的無線通信技術に関する横断型研究会（MIKA）  電子情報通信学会

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Event date： 2019.10

Language：Japanese   Presentation type：Poster presentation  

Venue：北海道大学  

Design of Hollow Waveguide to Substrate Integrated Waveguide Transition in Multi-layer Substrate International conference

Shota MARIYAMA, Kunio SAKAKIBARA, Nobuyoshi KIKUMA

IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition 2019 (iWEM 2019) 

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Event date： 2019.09

Language：English   Presentation type：Poster presentation  

Venue：Qingdao, China  

Design of Metasurface Loaded in Multilayer Dielectric Plate to Reduce Reflection over Wide Incident Angle International conference

Shota Ino, Takahiro Murai, Kunio Sakakibara, Nobuyoshi Kikuma

IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition 2019 (iWEM 2019) 

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Event date： 2019.09

Language：English   Presentation type：Poster presentation  

Venue：Qingdao, China  

多層構造誘電体板における広い入射角での 反射損失を低減するメタサーフェスの設計

稲生翔太, 村井崇紘, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2019.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

Design of Millimeter-wave 4ｘ4 Butler Matrix using Finline in Double Layer Dielectric Substrate

Thanh Tuan Nguyen, Kunio Sakakibara, Nobuyoshi Kikuma, Kojiro Iwasa, Takeshi Okunaga, Akira Nakatsu

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2019.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

端部円形放射素子を用いたミリ波帯二次元任意角直線偏波マイクロストリップアレーアンテナ

小島亮輔, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2019.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

多層基板内導波路における階段状放射素子を用いた二次元マルチビームロットマンレンズのブロードサイドビーム形成特性

山内秀悟, 榊原久二男, 山田健人, 菊間信良, 岩佐光次郎, 奥長剛, 中津彰

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2019.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

多層基板内の複数層に構成された基板内導波路金属導波管変換器の設計

鞠山匠汰, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2019.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

キャビティ装荷2スロットサブアレーからなる広帯域中央給電進行波励振導波管リニアアレーアンテナ

横井はるな, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2019.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪大学  

Broadside Beam-forming Performance of Two-dimensional RotmanLens Multi-beam Antenna using Step Radiating Elements on Multi-layer Substrate Integrated Waveguide International conference

Shugo Yamauchi, Kento Yamada, Kunio Sakakibara, Nobuyoshi Kikuma, Kojiro Iwasa, Takeshi Okunaga, Akira Nakatsu

The 2019 Malaysia-Japan Workshop on Radio Technology (MJWRT2019) 

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Event date： 2019.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur, Malaysia  

Design of Millimetre-Wave 4x4 Butler Matrix Using Finline in Double Layer Dielectric Substrate International conference

Nguyen Thanh Tuan, Kunio Sakakibara, Nobuyoshi Kikuma, Kojiro Iwasa, Takeshi Okunaga, Akira Nakatsu

The 2019 Malaysia-Japan Workshop on Radio Technology (MJWRT2019) 

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Event date： 2019.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur, Malaysia  

Broadside Beam-forming Performance of Two-dimensional Rotman-lens Multi-beam Antenna using Step Radiating Elements on Multi-layer Substrate Integrated Waveguide International conference

Shugo YAMAUCHI, Kunio SAKAKIBRA, and Nobuyoshi KIKUMA

The 2nd Indonesia-Japan Workshop on Antennas and Wireless Technology 2019 (IJAWT2019) 

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Event date： 2019.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Bandung, Indonesia  

Multi-beam Antennas using Multi-layer Substrate in Millimeter-wave Band International conference

Kunio SAKAKIBARA and Nobuyoshi KIKUMA

The 2nd Indonesia-Japan Workshop on Antennas and Wireless Technology 2019 (IJAWT2019) 

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Event date： 2019.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Bandung, Indonesia  

Design of Millimeter-wave 4x4 Butler Matrix using Finline in Double Layer Dielectric Substrate International conference

Nguyen Thanh TUAN, Kunio SAKAKIBARA, and Nobuyoshi KIKUMA

The 2nd Indonesia-Japan Workshop on Antennas and Wireless Technology 2019 (IJAWT2019) 

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Event date： 2019.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Bandung, Indonesia  

Bandwidth Extension of Planar Microstrip-to Waveguide Transition by Via-Hole Locations at Both Sides of Microstrip Line International conference

Nguyen Thanh Tuan, Kunio Sakakibara, Nobuyoshi Kikuma

2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2019 

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Event date： 2019.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Atlanta, Georgia, U.S.A.  

導波管2列アレーのトーナメント給電からなる広帯域ミリ波2次元平面アレーの試作特性

榊原久二男, 梅村晴貴, 菊間信良

電子情報通信学会アンテナ・伝播研究会  電子情報通信学会

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Event date： 2019.05

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：兵庫県，有馬温泉  

Bandwidth Comparison of Topside Waveguide-to-Microstrip Transitions with Back-Short Waveguide and with Double-Layer Substrate in Millimeter-Wave Band International conference

Kunio Sakakibara, Tuan Thanh Nguyen and Nobuyoshi Kikuma, Toshikazu Hori

The 13th European Conference on Antennas and Propagation (EuCAP 2019) 

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Event date： 2019.03 - 2019.04

Language：English   Presentation type：Oral presentation (general)  

Venue：Krakow, Poland  

キャビティ狭壁2×2スロットサブアレーからなるE面導波管給電2層構造平面アレーアンテナの試作特性

横井はるな, 榊原久二男, 菊間信良

電子情報通信学会アンテナ・伝播研究会  電子情報通信学会

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Event date： 2019.01

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：愛知県，トヨタ博物館  

Recent Antenna Development of Automotive Millimeter-wave Radar Systems International conference

Kunio Sakakibara

2018 IEEE International RF & Microwave Conference (RFM2018)  IEEE

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Event date： 2018.12

Language：English   Presentation type：Oral presentation (general)  

Venue：Penang, Malaysia  

Bandwidth Enhancement of Traveling-wave Microstrip Array Fed from Both Ends

Hiroya Tanabe, Kunio Sakakibara, Nobuyoshi Kikuma

IEICE Technical Committee on Antennas and Propagation  IEICE

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Event date： 2018.11

Language：Japanese   Presentation type：Oral presentation (general)  

Design of Multi-layer Transmit-phased-array with Varactor Diodes Using Matrix Calculation for Two-dimensional Beam-scanning

Tomihiro Ikegami, Kunio Sakakibara, Shota Ino, Nobuyoshi Kikuma

IEICE Technical Committee on Antennas and Propagation  IEICE

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Event date： 2018.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：Okinawa Industry Support Center (Naha, Okinawa)  

Measured Performance of Broadband Frequency Selective Surface to Reduce Return Loss of Dielectric Plate Designed by Matrix Analysis of Equivalent Circuit International conference

Tomihiro Ikegami, Kunio Sakakibara, Shota Ino, Nobuyoshi Kikuma

2018 Asia-Pacific Microwave Conference (APMC2018)  IEICE

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Event date： 2018.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Kyoto, Japan  

E-Plane Beam-Forming Performance of Rotman-Lens in Multi-Layer Substrate International conference

Yosuke Otsuka, Shugo Yamauchi, Kunio Sakakibara, Nobuyoshi Kikuma, Kojiro Iwasa

2018 International Symposium on Antennas and Propagation (ISAP 2018) 

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Event date： 2018.10

Language：English   Presentation type：Poster presentation  

Venue：Busan, Korea  

Design of Frequency Selective Surface Loaded to Multilayer Dielectric Plate for Loss Reduction over Wide Incident Angle International conference

Shota Ino, Tomihiro Ikegami, Kunio Sakakibara, Nobuyoshi Kikuma, Toshikazu Hori

2018 International Symposium on Antennas and Propagation (ISAP 2018) 

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Event date： 2018.10

Language：English   Presentation type：Oral presentation (general)  

Venue：Busan, Korea  

Design of Arbitrary Linear Polarization in Traveling Array of Microstrip Comb-Line Antenna Using Rounded Radiating Elements International conference

Ryosuke Kojima, Kunio Sakakibara, Nobuyoshi Kikuma

2018 International Symposium on Antennas and Propagation (ISAP 2018) 

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Event date： 2018.10

Language：English   Presentation type：Poster presentation  

Venue：Busan, Korea  

Design of Spatial Power Combining Circuit Using Taper Waveguide for High-Power Generation in Terahertz Band International conference

Kazuaki Niwa, Kunio Sakakibara, Nobuyoshi Kikuma

2018 International Symposium on Antennas and Propagation (ISAP 2018) 

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Event date： 2018.10

Language：English   Presentation type：Poster presentation  

Venue：Busan, Korea  

Double-Layer Waveguide Planar Array Antenna Composed of Narrow-Wall Cavity-Backed 2x2-Element Sub-Arrays Fed by E-Plane Feeding Circuit International conference

Haruna Yokoi, Kunio Sakakibara, Nobuyoshi Kikuma

2018 International Symposium on Antennas and Propagation (ISAP 2018) 

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Event date： 2018.10

Language：English   Presentation type：Poster presentation  

Venue：Busan, Korea  

Bandwidth Extension of Planar Microstrip-to-Waveguide Transition by Via-Hole Arrangement International conference

Thanh Tuan Nguyen, Kunio Sakakibara, Nobuyoshi Kikuma

2018 International Symposium on Antennas and Propagation (ISAP 2018) 

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Event date： 2018.10

Language：English   Presentation type：Poster presentation  

Venue：Busan, Korea  

メタサーフェスによる透過係数制御による誘電体板反射低減設計

榊原久二男, 池上富大, 稲生翔太, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2018.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：金沢大学  

等価回路の行列解析によって反射損失を低減するように設計された広帯域周波数選択板の測定

池上富大, 稲生翔太, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2018.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：金沢大学  

壁面内狭壁段差上スロットを用いた部分並列給電広帯域導波管アレーのトーナメント給電回路による高利得化

梅村晴貴, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2018.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：金沢大学  

串型マイクロストリップアンテナの進行波励振アレーと定在波励振アレーの帯域比較

市橋憲悟, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2018.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：金沢大学  

両側給電による進行波励振マイクロストリップアレーの広帯域化

田邊博也, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2018.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：金沢大学  

Traveling-wave Array Design of Microstrip Comb-line Antenna for Arbitrary Linear Polarization Using Rounded Radiating Elements International conference

Ryosuke Kojima, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Bandwidth Comparison of Traveling-wave and Standing-wave Array Designs of Series-fed Microstrip Patch Array Antennas International conference

Kengo Ichihashi, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Design for Bandwidth Enhancement of Traveling-wave Microstrip Array Fed from Both Ends International conference

Hiroya Tanabe, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Measured Performance of Broadband Frequency Selective Surface to Reduce Return Loss International conference

Tomihiro Ikegami, Shota Ino, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Design of Spatial Power Combining Circuit Using Taper Waveguide for High-Power Source in Terahertz Band International conference

Kazuaki Niwa, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Design of Partially Parallel-feeding Double-layer Broadband Two-dimensional Waveguide Array Using Wall-surrounded Slot on Stepped Narrow-wall International conference

Haruki Umemura, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Double-layer Waveguide Planar Array Antenna Composed of E-plane Feeding Circuit and Narrow- wall Cavity 2x2-element Sub-arrays International conference

Haruna Yokoi, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Nagoya, Japan  

Via-hole Arrangement for Bandwidth Extension of Planar Microstrip-to-Waveguide Transition International conference

Tuan Thanh Nguyen, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Design of Frequency Selective Surface Loaded to Multilayer Dielectric Plate for Loss Reduction over Wide Incident Angle International conference

Shota Ino, Tomihiro Ikegami, Kunio Sakakibara, Nobuyoshi Kikuma

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

E-plane Beam-forming Performance of Rotman-lens in Multi-layer Substrate International conference

Yamauchi Shugo, Yosuke Otsuka, Kunio Sakakibara, Nobuyoshi Kikuma, Kojiro Iwasa

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition  IEEE

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Event date： 2018.08

Language：English   Presentation type：Poster presentation  

Venue：Nagoya, Japan  

Measured Performance of Transition from Hollow Waveguide to E-plane Post-wall Waveguide in Multi-layer Substrate at Millimeter-wave Band

Kunio Sakakibara, Yuta Mizuno, Tuan Nguyen, Nobuyoshi Kikuma

IEICE

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Event date： 2018.08

Language：Japanese   Presentation type：Oral presentation (general)  

Bandwidth Extension of Planar Microstrip-to-Waveguide Transition by Via-hole Arrangement International conference

Tuan Nguyen, Kunio Sakakibara, Nobuyoshi Kikuma

2018 Vietnam-Japan International Symposium on Antennas and Propagation  IEICE

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Event date： 2018.05

Language：English   Presentation type：Oral presentation (general)  

Venue：Danang, Vietnam  

Design of 2D Rotman-lens Multi-beam Antenna using Multi-layer Substrate Integrated Waveguide International conference

Kunio Sakakibara, Shigenori Kitanaka, Yosuke Otsuka, Nobuyoshi Kikuma, Kojiro Iwasa

2018 International Conference on Microwaves for Intelligent Mobility  IEEE

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Event date： 2018.04

Language：English   Presentation type：Oral presentation (general)  

Venue：Munich  

Millimeter-wave 4X4 Butler Matrix for Feeding Circuit of Multi-beam Antenna Using Finline in Multilayer Substrate International conference

Kunio Sakakibara, Yuta Mizuno, Nobuyoshi Kikuma, Kojiro Iwasa

2018 European Conference on Antennas and Propagation 

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Event date： 2018.04

Language：English   Presentation type：Oral presentation (general)  

Venue：London  

両側給電による進行波励振マイクロストリップアレーの広帯域化

田邊博也, 榊原久二男, 菊間信良, 土屋潤三, 西本徳久, 伊佐治修

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2018.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：東京電機大学  

Design of partially parallel-feeding double-layer broadband high-gain waveguide array using wall-surrounded slot on stepped narrow-wall International conference

Haruki Umemura, Kunio Sakakibara, Nobuyoshi Kikuma

IEICE

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Event date： 2018.02

Language：Japanese   Presentation type：Oral presentation (general)  

Design of SIW Rotman Lens for Two-dimensional Multi-beam Antenna Using Multi-layer Substrate

IEICE

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Event date： 2018.01

Language：Japanese   Presentation type：Oral presentation (general)  

カットオフバックショートを用いた広帯域ミリ波基板内導波路中空導波管変換器の設計

宮地悠太, 榊原久二男, 菊間信良

電子情報通信学会アンテナ・伝播研究会  電子情報通信学会

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Event date： 2017.12

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：機械振興会館（東京都）  

Design of Frequency Selective Surface by Matrix Transformation of Layer Structure to Reduce Return Loss of Thick Dielectric Plate International conference

Tomihiro Ikegami, Kunio Sakakibara, Goro Nomoto, Shota Ino and Nobuyoshi Kikuma

2017 IEEE Conference on Antenna Measurements & Applications (CAMA)  IEEE

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Event date： 2017.12

Language：English   Presentation type：Oral presentation (general)  

Venue：Tsukuba, Japan  

Design of Layered Multi-beam Antenna Using Rotman-lens Phase Shifter in Millimeter-wave Band International conference

Yuta Suzuki, Kunio Sakakibara, Nobuyoshi Kikuma

Progress In Electromagnetics Research Symposium PIERS 2017 Singapore 

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Event date： 2017.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Singapore  

Measured RF Characteristics of Negative Impedance Converters Terminated by Resistance Invited International conference

Kunio Sakakibara, Nobuyoshi Kikuma

Progress In Electromagnetics Research Symposium PIERS 2017 Singapore 

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Event date： 2017.11

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Singapore  

Design of Finline 4 × 4 Butler Matrix in Multilayer Substrate at Millimeter-wave Band International conference

Yuta Mizuno, Kunio Sakakibara, Nobuyoshi Kikuma, Kojiro Iwasa

Progress In Electromagnetics Research Symposium PIERS 2017 Singapore 

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Event date： 2017.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Singapore  

Design of Center-fed Two-dimensional Microstrip Planar Array Fed by Cross-junction Power-dividers in Millimeter-wave Band International conference

Yuta Mouri, Kunio Sakakibara, Nobuyoshi Kikuma

Progress In Electromagnetics Research Symposium PIERS 2017 Singapore 

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Event date： 2017.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Singapore  

Traveling-wave Array Design of Series-fed Microstrip Patch Array Antenna International conference

Kengo Ichihashi, Kunio Sakakibara, Nobuyoshi Kikuma

Progress In Electromagnetics Research Symposium PIERS 2017 Singapore 

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Event date： 2017.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Singapore  

Design of Millimeter-wave 4x4 Butler Matrix for Feeding Circuit of Multi-beam Antenna Using Finline in Multilayer Substrate

Yuta Mizuno, Kunio Sakakibara, Nobuyoshi Kikuma (NIT), Kojiro Iwasa (NIPPON PILLAR)

IEICE Technical Committee on Antennas and Propagation 

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Event date： 2017.11

Language：English   Presentation type：Oral presentation (general)  

Broadband Design Using Matrix Analysis of Frequency Selective Surface Inserted at the Center of Dielectric Plate in Millimeter-wave Band International conference

Tomihiro Ikegami, Goro Nomoto, Kunio Sakakibara, Nobuyoshi Kikuma, and Yutaka Aoki

2017 International Symposium on Antennas and Propagation  IEICE

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Event date： 2017.10 - 2017.11

Language：English   Presentation type：Poster presentation  

Venue：Phuket, Thailand  

十字分岐給電回路を用いたミリ波帯中央給電2次元マイクロストリップアレーアンテナの高利得設計

毛利祐太, 榊原久二男, 菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2017.09

Language：Japanese   Presentation type：Oral presentation (general)  

8×8 Phased series fed patch antenna array at 28 GHz for 5G mobile base station antennas International conference

Muhammad Kamran Ishfaq, Tharek Abd Rahman, Yoshihide Yamada, Kunio Sakakibara

2017 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)  IEEE

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Event date： 2017.09

Language：English   Presentation type：Oral presentation (general)  

Venue：Verona, Italy  

Broadband Design of Frequency Selective Surface Inserted at the Center of Dielectric Plate Using Matrix Analysis in Millimeter-wave Band

Tomihiro Ikegami, Goro Nomoto, Shota Ino, Kunio Sakakibara, Nobuyoshi Kikuma (NITech), Yutaka Aoki (DENSO)

IEICE Technical Committee on Antennas and Propagation 

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Event date： 2017.07

Language：English   Presentation type：Oral presentation (general)  

Center-fed traveling-wave microstrip array antenna using elliptically-shaped radiating elements in quasi millimeter-wave band International conference

Kunio Sakakibara, Kazumasa Shida, Yuta Mouri, Nobuyoshi Kikuma

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting   IEEE

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Event date： 2017.07

Language：English   Presentation type：Oral presentation (general)  

Venue：San Diego  

Reflection-loss reduction of dielectric plate by reflection-phase control of Frequency Selective Surface International conference

Kunio Sakakibara, Masamu Chiba, Goro Nomoto, Tomihiro Ikegami, Nobuyoshi Kikuma

2017 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)  IEEE

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Event date： 2017.05 - 2017.06

Language：English   Presentation type：Oral presentation (general)  

Venue：London, UK  

Non-Foster Circuit Applied to Composite Right/Left-handed Transmission Line and Measured RF Characteristics of Negative Impedance Converters Terminated by Resistance

Kunio Sakakibara, Nobuyoshi Kikuma

IEICE Technical Committee on Antennas and Propagation 

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Event date： 2017.05

Language：English   Presentation type：Oral presentation (general)  

Venue：Kobe Univ.  

Design of Traveling-wave Microstrip Array Antenna Using Circular-end Radiating Elements for Arbitrary-angle Linear-polarization

Kunio Sakakibara, Kazumasa Shida, Yuta Mouri, Shigenori Kitanaka, Nobuyoshi Kikuma

IEICE Technical Committee on Antennas and Propagation 

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Event date： 2017.04

Language：English   Presentation type：Oral presentation (general)  

ミリ波帯周波数選択板の等価回路解析による広帯域設計

池上富大, 埜本悟郎, 千葉昌武, 榊原久二男, 菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2017.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：名城大学  

多層プリント基板内E面導波管の伝送特性

水野悠太, 榊原久二男, 菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2017.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：名城大学  

Multibeam-switching millimeter-wave antenna using beam-tilting design in perpendicular plane to feeding line of microstrip comb-line antenna International conference

Hiroya Tanabe, Kunio Sakakibara, Nobuyoshi Kikuma

2017 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM)  IEEE

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Event date： 2017.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Nagoya, Japan  

Center-fed Traveling-wave Microstrip Array Antenna Using Elliptically-shaped Radiating Elements in Quasi-millimeter-wave Band International conference

Kazumasa Shida, Yuta Mouri, Kunio Sakakibara, Nobuyoshi Kikuma

Malaysia-Japan International Institute of Technology (MJIIT2017)  IEICE

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Event date： 2017.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur  

Reduction of Reflection loss on Dielectric Surface by Reflection-phase Control of Frequency Selective Surface International conference

Masamu Chiba, Goro Nomoto, Tomihiro Ikegami, Kunio Sakakibara, Nobuyoshi Kikuma (NITech)

Malaysia-Japan International Institute of Technology (MJIIT2017)  IEICE

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Event date： 2017.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur  

Two-dimensional Traveling-wave Array Design of Z-shaped Edge Shunt Slot Waveguide Array International conference

Koichi Shiotani, Kunio Sakakibara (NITech), Derek Gray (XJTLU), Nobuyoshi Kikuma (NITech)

Malaysia-Japan International Institute of Technology (MJIIT2017)  IEICE

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Event date： 2017.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Kuala Lumpur  

Rotman-lens-feeding Double-layer Low-profile Multibeam Millimeter-wave Microstrip Antenna Using Bow-tie Waveguide Microstrip Connections International conference

Kunio Sakakibara, Yuta Suzuki, Yasuhiro Imade, Nobuyoshi Kikuma

2016 IEEE Asia-Pacific Conference on Applied Electromagnetics  IEEE

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Event date： 2016.12

Language：English   Presentation type：Oral presentation (general)  

Venue：Langkawi, Malaysia  

Design of Microstrip-input Taper-structures for Required Beam Shape in Rotman-lens Phase Shifter International conference

Yuta Suzuki, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Poster presentation  

Venue：沖縄コンベンションセンター  

Loss Reduction of Microstrip-to-Waveguide Transition Suppressing Leakage from Gap between Substrate and Waveguide by Choke Structure International conference

Yuta Mizuno, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Poster presentation  

Venue：沖縄コンベンションセンター  

Compact Planar Transmission-line Transition Direct-connecting from a Waveguide to Four Microstrip-lines International conference

Shigenori Kitanaka, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Poster presentation  

Venue：沖縄コンベンションセンター  

Design of Waveguide Shut Slot Arrays Formed on Copper-plated Dielectric Sticks in Millimeter-wave Band International conference

Yuta Miyachi, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Poster presentation  

Venue：沖縄コンベンションセンター  

Design of Broadband Planar Array Composed of 2x2 Slotted Cavities Fed by E-plane Waveguide Parallel-Feeding Circuit in Millimeter-wave Band International conference

Katsuhiro Miyazaki, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Oral presentation (general)  

Venue：沖縄コンベンションセンター  

Traveling-wave Design of Cross-junction Power-dividers for Two dimensional Microstrip Planar Array with 45-degree Polarization in Submillimeter-wave Band International conference

Yuta Mouri, Shigenori Kitanaka, Kazumasa Shida, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Poster presentation  

Venue：沖縄コンベンションセンター  

Reduction of Reflection Loss from Dielectric Plate by Reflection-phase Control of Frequency Selective Surface International conference

Goro Nomoto, Masamu Chiba, Kunio Sakakibara and Nobuyoshi Kikuma

2016 International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.10

Language：English   Presentation type：Poster presentation  

Venue：沖縄コンベンションセンター  

十字分岐給電回路を用いた中央給電準ミリ波2次元マイクロストリップアレーアンテナの試作特性

毛利祐太,北中成紀,志田和優,榊原久二男,菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2016.09

Language：Japanese   Presentation type：Oral presentation (general)  

E面導波管並列給電層と2×2スロットキャビティ層からなるミリ波平面導波管スロットアレーアンテナの試作特性

宮﨑勝弘,榊原久二男,菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2016.09

Language：Japanese   Presentation type：Oral presentation (general)  

多層基板を用いたSIW構成二次元マルチビーム形成ロットマンレンズの層方向ビーム形成評価

北中成紀,榊原久二男,菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2016.09

Language：Japanese   Presentation type：Oral presentation (general)  

周波数選択板の反射位相制御による誘電体板の反射損失低減設計

埜本悟郎,千葉昌武,榊原久二男,菊間信良

電子情報通信学会ソサイエティ大会  電子情報通信学会

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Event date： 2016.09

Language：Japanese   Presentation type：Symposium, workshop panel (public)  

Millimeter-wave Planar Microstrip-to-waveguide Transition with Waveguide Connected on Microstrip Signal-line International conference

Kunio Sakakibara, Yuki Ishikawa, Yuta Mizuno, and Nobuyoshi Kikuma

2016 URSI Asia-Pacific Radio Science Conference URSI AP-RASC 2016  URSI

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Event date： 2016.08

Language：English   Presentation type：Poster presentation  

Venue：Seoul, Korea  

Comparison of Connection Circuits of Upper Microstrip Line and Lower Waveguide Composed of Microstrip-to-waveguide Transitions and Waveguide Bends in Different Planes

Kasper Kuusisto, Kunio Sakakibara, Nobuyoshi Kikuma

電子情報通信学会アンテナ・伝播研究会  IEICE

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Event date： 2016.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Otaru, Hokkaido, Japan  

Bandwidth Enhancement of Partially Parallel-feeding Travelling-wave Array Using Waveguide Narrow-wall Cavity Slot on Iris in Millimeter-wave Band International conference

Kunio Sakakibara, Yuichi Hirayama, and Nobuyoshi Kikuma

2016 IEEE AP-S International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting  IEEE

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Event date： 2016.06 - 2016.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Fajardo, Puerto Rico  

準ミリ波45度偏波二次元マイクロストリップアレーアンテナにおける十字分岐給電回路の進行波励振設計

毛利祐太,北中成紀,志田和優,榊原久二男,菊間信良

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2016.04

Language：Japanese   Presentation type：Oral presentation (general)  

進行波励振十字分岐を用いた中央給電導波管Z形状エッジシャントスロットアンテナの2次元アレー設計

塩谷浩一,榊原久二男,菊間信良,Derek Gray

電子情報通信学会 アンテナ・伝播研究会 

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Event date： 2016.04

Language：Japanese   Presentation type：Oral presentation (general)  

周波数選択板の反射位相制御によるアンテナレドーム反射損失低減設計

千葉昌武,埜本悟郎,青木豊,榊原久二男,武藤健二,菊間信良

電子情報通信学会 アンテナ・伝播研究会 

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Event date： 2016.04

Language：Japanese   Presentation type：Oral presentation (general)  

ロットマンレンズ移相器給電一次放射テーパ構造の平行平板導波路内指向性設計による指向性切替アンテナの効率改善

鈴木雄大,今出泰弘,榊原久二男,菊間信良

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2016.04

Language：Japanese   Presentation type：Oral presentation (general)  

中央給電進行波励振マイクロストリップコムラインアンテナの準ミリ波帯二次元アレー設計

志田和優,北中成紀,毛利祐太,榊原久二男,菊間信良

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2016.04

Language：Japanese   Presentation type：Oral presentation (general)  

中央給電進行波励振マイクロストリップコムラインアンテナの準ミリ波帯二次元アレー設計

宮崎勝弘,榊原久二男,菊間信良

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2016.04

Language：Japanese   Presentation type：Oral presentation (general)  

E面並列給電層と放射キャビティ層の二層構造からなる導波管スロットアレーアンテナの広帯域設計

宮崎勝弘，榊原久二男，菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2016.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：九州大学  

中央給電進行波励振マイクロストリップコムラインアンテナの準ミリ波帯二次元アレー設計

志田和優，北中成紀，毛利祐太，榊原久二男，菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2016.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：九州大学  

周波数選択板の反射位相制御によるアンテナレドーム損失低減設計

千葉昌武，埜本悟郎，榊原久二男，フィルダウス 慧，菊間信良

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2016.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：九州大学  

Broadband Planar Waveguide-to-microstrip-line Transitions for Feeding Circuit of Microstrip Antennas Invited International conference

Kunio Sakakibara, Hiroaki Yamada, Yuki Ishikawa, Yuta Mizuno, Shigenori Kitanaka, Nobuyoshi Kikuma

The 2016 Vietnam-Japan International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2016.02 - 2016.03

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Telecommunications University, Nha Trang, Vietnam  

Design of Frequency Selective Spiral Slot located in Near-Field of Wireless Power Transfer System by Eigen Mode Analysis International conference

Kunio Sakakibara, Kei Firdaus, Nobuyoshi Kikuma

2016 Asian Workshop on Antennas and Propagation  Technical Group on Antennas and Propagation of the Korean Institute

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Event date： 2016.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Centum Hotel, Busan, Korea  

無線電力伝送装置の送受信間近傍電磁界内部に置かれた周波数選択スパイラルスロットの平面波入射モデルを用いた設計

フィルダウス慧，榊原久二男，岩永伸也，田端隆伸，菊間信良，堀　智

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2015.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：沖縄県立博物館・美術館  

ボウタイスロットを用いたマイクロストリップ線路背面接続ロットマンレンズ給電薄型ビーム走査ミリ波マイクロストリップアンテナの設計

今出泰弘，榊原久二男，菊間信良

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2015.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：沖縄県立博物館・美術館  

導波管狭壁絞り部にキャビティ付スロットを切った部分トーナメント進行波励振ミリ波平面アレーアンテナの広帯域化 International conference

平山雄一，榊原久二男，菊間信良

電子情報通信学会 アンテナ・伝播研究会  電子情報通信学会

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Event date： 2015.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：沖縄県立博物館・美術館  

共振導波管狭壁Z形状エッジシャントスロットアレーの広帯域設計

塩谷浩一，榊原久二男，Gray Derek，菊間信良

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2015.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：東北大学  

Planar Waveguide-to-Microstrip Transitions with Multiple Microstrip-line Output Port International conference

Kunio Sakakibara and Nobuyoshi Kikuma

Vietnam-Japan MicroWave 2015  the Institute of Electronics, Information and Communication Engineers

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Event date： 2015.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Ho Chi Minh City, Vietnam  

Planar Waveguide-to-Microstrip Transition with Multiple Microstrip-line Output Ports International conference

Kunio Sakakibara, Nobuyoshi Kikuma

Thailand-Japan MicroWave 2015 

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Event date： 2015.08

Language：English   Presentation type：Oral presentation (general)  

Width effects on electromagnetic and mechanical behavior of Z-slotted waveguide array antennas International conference

Qing Lan, Derek Gray, Stanley Chen, Kunio Sakakibara

2015 IEEE International Symposium on Antennas and Propagation and North American Radio Science meeting  IEEE

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Event date： 2015.07

Language：English   Presentation type：Oral presentation (general)  

Venue：Vancouver, Canada  

Planar Array Antennas for Sub-arrays of Electronic Beam-scanning Systems in Millimeter-wave Band International conference

Kunio Sakakibara, Yuichi Hirayama, Toshinori Araki, and Nobuyoshi Kikuma

2015年アンテナ技術に関する国際ワークショップ（iWAT2015） 

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Event date： 2015.03

Language：English   Presentation type：Oral presentation (general)  

Venue：韓国 ソウル  

Design of Spiral-Slot Frequency Selective Surfaces for Shielding from Noises of Wireless Power Transfer International conference

Kei Firdaus, Kunio Sakakibara, Yuto Amano, Hiroshi Hirayama, Nobuyoshi Kikuma, Takanobu Tabata, and Satoshi Hori

2015年アンテナ技術に関する国際ワークショップ（iWAT2015） 

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Event date： 2015.03

Language：English   Presentation type：Oral presentation (general)  

Travelling-wave Planar Array Antennas for Beam-scanning Systems in Millimeter-wave Band International conference

Kunio Sakakibara, Nobuyoshi Kikuma and Hiroshi Hirayama

2014年IEEE電磁応用に関するアジア太平洋国際会議  IEEE

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Event date： 2014.12

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：マレーシア，ジョホールバル  

Low-sidelobe Design of Microstrip Comb-Line Antennas for Beam-Tilting in Perpendicular Plane to Feeding Line International conference

D. Nakazawa, K. Sakakibara, N. Kikuma, H. Hirayama

第19回アンテナ・伝搬技術に関する国際シンポジウム（ISAP2014）  電子情報通信学会

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Event date： 2014.12

Language：English   Presentation type：Oral presentation (general)  

Venue：台湾，高雄  

Grating Lobe Suppression of Narrow-wall Slotted Waveguide Array Antenna using Thin Narrow-wall Waveguides in Millimeter-wave Band International conference

T. Araki, K. Sakakibara, N. Kikuma, H. Hirayama

第19回アンテナ・伝搬技術に関する国際シンポジウム（ISAP2014）  電子情報通信学会

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Event date： 2014.12

Language：English   Presentation type：Oral presentation (general)  

Venue：台湾，高雄  

Miniaturization of Period of Dual-band Frequency Selective Surface by using C-shaped Ring Slots International conference

Y. Amano, K. Firdaus, K. Sakakibara, S. Iwanaga, K. Kumaki, S. Hori, N. Kikuma, H. Hirayama

第19回アンテナ・伝搬技術に関する国際シンポジウム（ISAP2014）  電子情報通信学会

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Event date： 2014.12

Language：English   Presentation type：Oral presentation (general)  

Venue：台湾，高雄  

Millimeter-wave Planar Array Antennas for Beam-scanning Systems Designed in Travelling-wave Operation International conference

Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

マイクロ波に関するベトナム日本合同会議（VJMW2014） 

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Event date： 2014.11

Language：English   Presentation type：Oral presentation (general)  

Venue：ベトナム，ハノイ  

ミリ波マイクロストリップコムラインアンテナの3給電線路垂直面ビームチルト設計における低サイドローブ化の検討 International conference

中澤大輝，榊原久二男，菊間信良，平山　裕

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2014.03

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：新潟大学  

Design of Triplate-Line-Feeding Broadband Slot Aperture Antenna on Double-Layer Substrate in the Millimeter-Wave Band International conference

Hiroki Hori, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

2014 Vietnam-Japan International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2014.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Le Quy Don Technical University, Hanoi, Vietnam  

Choke-length Dependency in Performance of Via-less Planar Microstrip-to-waveguide Transition with Choke Structure in Millimeter-wave Band International conference

Keisuke Murase, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

Vietnam-Japan International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2014.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Le Quy Don Technical University, Hanoi, Vietnam  

A Quad-ridged Horn Antenna for Estimating Distribution of Brightness Temperature International conference

Kota Yamada, Kunio Sakakibara, Nobuyoshi Kikuma (NIT), Takashi Arakawa, Tohru Sakamoto, Masamune Takeda (Maspro Denkoh Corp.)

Vietnam-Japan International Symposium on Antennas and Propagation  電子情報通信学会

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Event date： 2014.01

Language：English   Presentation type：Oral presentation (general)  

Venue：Le Quy Don Technical University, Hanoi, Vietnam  

スロット型スプリットリング共振器の多重ループ化による周波数選択板周期の小型化 International conference

天野雄斗，榊原久二男，岩永伸也，熊木清高，堀　智，菊間信良，平山　裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2013.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡工業大学  

二層基板トリプレート線路給電スロット開口アンテナの広帯域設計 International conference

堀　寛己，榊原久二男，菊間信良，平山　裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2013.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡工業大学  

交互配列二列導波管狭壁スロットミリ波アレーアンテナにおけるグレーティングローブ低減設計の評価 International conference

荒木寿則，榊原久二男，菊間信良，平山　裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2013.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡工業大学  

テーパ付きビアレスミリ波一層基板平面型マイクロストリップ線路導波管変換器のチョーク長依存性の評価 International conference

村瀬敬祐，榊原久二男，菊間信良，平山　裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2013.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡工業大学  

ミリ波マイクロストリップコムラインアンテナの3給電線路垂直面内ビームチルト設計における低サイドローブ化の検討 International conference

中澤大輝，榊原久二男，菊間信良，平山　裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2013.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡工業大学  

Side-lobe Reduction of Center-feeding Microstrip Antennas fed by Microstrip-to-waveguide Transition with Slot Radiators International conference

Kunio Sakakibara, Daiki Kawase, Nobuyoshi Kikuma, and Hiroshi Hirayama

2nd Asia-Pacific Conference on Antennas and Propagation (APCAP2013) 

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Event date： 2013.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Chiang Mai, Thailand  

Frequency Control of Transmission Property for Multiband Frequency Selective Surfaces International conference

Kunio Sakakibara, Katsuyuki Tachikawa, Yuto Amano, Kiyotaka Kumaki, Satoshi Hori, Nobuyoshi Kikuma, Hiroshi Hirayama

2013 International Symposium on Electromagnetic Theory (EMTS2013)  URSI

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Event date： 2013.05

Language：English   Presentation type：Oral presentation (general)  

Venue：Hiroshima Convention Center, Hiroshima, Japan  

Near-Field Measurement System for Evaluation of Aperture Distribution, Radiation Pattern and Gain of Millimeter-wave Planar Array Antennas International conference

Kunio Sakakibara, Hiroshi Hirayama, Nobuyoshi Kikuma

Progress In Electromagnetics Research Symposium, PIERS 2013 Taipei 

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Event date： 2013.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Taipei  

マイクロストリップ線路給電多層基板型ホーンアンテナの広帯域設計

堀寛己, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 総合大会 

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Event date： 2013.03

Language：Japanese   Presentation type：Oral presentation (general)  

スロット型スプリットリング共振器を用いた周波数選択板周期の小型化

天野雄斗, 立川克之, 榊原久二男, 岩永伸也, 熊木清高, 堀智, 菊間信良, 平山裕

電子情報通信学会 総合大会 

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Event date： 2013.03

Language：Japanese   Presentation type：Oral presentation (general)  

ビアレス平面型ミリ波マイクロストリップ線路導波管変換器の特性におけるチョーク長依存性の評価

村瀬敬祐, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 総合大会 

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Event date： 2013.03

Language：Japanese   Presentation type：Oral presentation (general)  

Measured Beam-scanning Performance of Microstrip Antenna Fed by Rotman Lens Beamforming Circuit International conference

Kunio Sakakibara, Hiroto Nishiwaki, Nobuyoshi Kikuma, Hiroshi Hirayama

2013 Korea-Japan Workshop on Antennas and Propagation Proceedings 

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Event date： 2013.01

Language：English   Presentation type：Oral presentation (general)  

Bandwidth Enhancement and Size Reduction of Period for Dual-band Loop-slot Frequency Selective Surfaces on Plastic Board International conference

Katsuyuki Tachikawa, Kunio Sakakibara, Kiyotaka Kumaki, Satoshi Hori, Nobuyoshi Kikuma, Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2012) 

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Event date： 2012.10 - 2012.11

Language：English   Presentation type：Oral presentation (general)  

Gain Bandwidth of Microstrip-line-feeding Waveguide Aperture Antenna on LTCC Substrate in the Millimeter-Wave Band International conference

Hiroki Hori, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2012)  電子情報通信学会

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Event date： 2012.10 - 2012.11

Language：English   Presentation type：Oral presentation (general)  

Venue：名古屋国際会議場  

Design of Microstrip Antennas fed by Four-microstrip-port Waveguide Transition with Slot Radiators International conference

Daiki Kawase, Kunio Sakakibara, Kazuyuki Seo, Nobuyoshi Kikuma, Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2012)   電子情報通信学会

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Event date： 2012.10 - 2012.11

Language：English   Presentation type：Oral presentation (general)  

Venue：名古屋国際会議場  

Design of Rotman-lens Feeding-circuit for Multi-layer Beam-scanning Microstrip Antenna in Millimeter-wave Band International conference

Hiroto Nishiwaki, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2012)   電子情報通信学会

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Event date： 2012.10 - 2012.11

Language：English   Presentation type：Oral presentation (general)  

Venue：名古屋国際会議場  

Design of Via-less Planer Microstrip-to-waveguide Transition with Choke Structure International conference

Keisuke Murase, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2012) 

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Event date： 2012.10 - 2012.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Nagoya, Japan  

多層基板型導波管開口アンテナの損失低減設計

堀寛己, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2012.09

Language：Japanese   Presentation type：Oral presentation (general)  

ビアレス平面型マイクロストリップ線路導波管変換器の試作特性

村瀬敬祐, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2012.09

Language：Japanese   Presentation type：Oral presentation (general)  

Directional broadband planar slot antenna fed by dual -offset tri -plate lines on double-layer substrate in 20GHz band International conference

K. Sakakibara, A. Hasegawa, H. Hori, N. Kikuma, H. Hirayama

International Conference on Electromagnetics in Advanced Applications, ICEAA2012 

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Event date： 2012.09

Language：English   Presentation type：Oral presentation (general)  

Venue：Cape Town, South Africa  

Array Design Techniques of Microstrip Comb-line Antennas in Millimeter-wave Band International conference

K. Sakakibara, N. Kikuma, H. Hirayama

Asia-Pacific Conference on Antennas and Propagation (APCAP2012) 

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Event date： 2012.08

Language：English   Presentation type：Oral presentation (invited, special)  

Venue：Singapore  

Design of Rotman-Lens Feeding-Circuit for Multi-Layer Beam-Scanning Microstrip Antenna in the Millimeter-Wave Band International conference

Hiroto Nishiwaki, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

Thailand-Japan MicroWave (TJMW2012) 

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Event date： 2012.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Bangkok, Thailand  

Sidelobe Reduction of Microstrip Antennas Fed by Four-Microstrip Port Waveguide Transition with Slot Radiators International conference

Daiki Kawase, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

Thailand-Japan MicroWave (TJMW2012) 

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Event date： 2012.08

Language：English   Presentation type：Oral presentation (general)  

Venue：Bangkok, Thailand  

多層構造指向性走査ミリ波マイクロストリップアンテナ用ロットマンレンズ給電回路の測定評価

西脇洋渡, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 アンテナ・伝播研究会 

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Event date： 2012.07

Language：Japanese   Presentation type：Oral presentation (general)  

Transmission properties of dual-band loop slot Frequency Selective Surfaces on plastic board International conference

K. Tachikawa, K. Sakakibara, N. Kikuma, H. Hirayama, K. Kumaki, S. Hori

2012 15th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) 

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Event date： 2012.06

Language：English   Presentation type：Oral presentation (general)  

Venue：Toulouse, France  

ビアレス平面型マイクロストリップ線路導波管変換器の広帯域設計

村瀬敬祐, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 アンテナ・伝播研究会 

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Event date： 2012.05

Language：Japanese   Presentation type：Oral presentation (general)  

Millimeter-wave Microstrip-feeding Broadband Aperture Antennas in Multi-layer Configuration International conference

Kunio Sakakibara, Hiroki Hori, Nobuyoshi Kikuma, Hiroshi Hirayama

6th European Conference on Antennas and Propagation (EuCAP2012) 

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Event date： 2012.03

Language：English   Presentation type：Oral presentation (general)  

Venue：Prague  

円筒型ミリ波レンズアンテナの低姿勢化に関する検討

西脇洋渡, 榊原久二男, 藤本正彦, 菊間信良, 平山裕

電子情報通信学会 総合大会 

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Event date： 2012.03

Language：Japanese   Presentation type：Oral presentation (general)  

スロット付き導波管マイクロストリップ線路4出力変換器を用いた2×2マイクロストリップアンテナの設計 International conference

川瀬大貴, 榊原久二男, 瀬尾和之, 菊間信良, 平山　裕

電子情報通信学会 総合大会 

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Event date： 2012.03

Language：Japanese   Presentation type：Oral presentation (general)  

樹脂に装荷されたループスロット型2共振周波数選択板の透過特性

立川克之, 榊原久二男, 熊木清高, 堀智, 菊間信良, 平山裕

電子情報通信学会 総合大会 

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Event date： 2012.03

Language：Japanese   Presentation type：Oral presentation (general)  

Millimeter-wave Planar Broadband Antennas for Array Antenna Elements and RF Packages

Kunio Sakakibara, Arata Hasegawa, Nobuyoshi Kikuma, Hiroshi Hirayama

電子情報通信学会 アンテナ・伝播研究会 技術報告 

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Event date： 2012.01

Language：English   Presentation type：Oral presentation (general)  

Broadband operation of Microstrip-Line-Feeding Waveguide Aperture Antenna in the Millimeter-Wave Band International conference

Kunio Sakakibara, Shintaro Yano, Nobuyoshi Kikuma, and Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2011) 

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Event date： 2011.10

Language：English   Presentation type：Oral presentation (general)  

Broadband Millimeter-Wave Microstrip Comb-Line Antenna Using Corporate Feeding System International conference

Kunio Sakakibara, Atsushi Kunita, Daiki Kawase, Nobuyoshi Kikuma, Hiroshi Hirayama, Kazuyuki Seo

European Microwave Conference 2011 (EuMC2011) 

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Event date： 2011.10

Language：English   Presentation type：Oral presentation (general)  

トリプレート線路二分配オフセット給電広帯域スロットアンテナ

長谷川新, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2011.09

Language：Japanese   Presentation type：Oral presentation (general)  

プリント基板を用いた左手系E面導波管の設計

佐野浩久, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2011.09

Language：Japanese   Presentation type：Oral presentation (general)  

円筒型ミリ波レンズアンテナの指向性非形成面における指向性の検討 International conference

西脇洋渡, 榊原久二男, 藤本正彦, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2011.09

Language：Japanese   Presentation type：Oral presentation (general)  

ミリ波帯一層基板3パッチマイクロストリップ線路導波管変換器の広帯域設計

高木大佑, 榊原久二男, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2011.09

Language：Japanese   Presentation type：Oral presentation (general)  

マイクロストリップ線路4ポート出力導波管変換器を用いた2列中央給電マイクロストリップコムラインアンテナの設計

川瀬大貴, 榊原久二男, 瀬尾和之, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2011.09

Language：Japanese   Presentation type：Oral presentation (general)  

ガラス内に装荷されたループスロット型周波数選択板の透過特性

立川克之, 榊原久二男, 熊木清高, 堀智, 菊間信良, 平山裕

電子情報通信学会 ソサイエティ大会 

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Event date： 2011.09

Language：Japanese   Presentation type：Oral presentation (general)  

Design of E-plane left-handed waveguide for use in printed substrate International conference

Hirohisa Sano, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

Thailand-Japan Microwave 2011 

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Event date： 2011.08

Language：English   Presentation type：Oral presentation (general)  

Design of Dual Offset Tri-Plate Line Fed Slot Antennas International conference

Arata Hasegawa, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

Thailand-Japan Microwave 2011 

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Event date： 2011.08

Language：English   Presentation type：Oral presentation (general)  

Wideband design of microstrip-to-waveguide transition with three patches on single layer dielectric substrate International conference

Daisuke Takagi, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama

Thailand-Japan Microwave 2011 

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Event date： 2011.08

Language：English   Presentation type：Oral presentation (general)  

多層基板におけるマイクロストリップ線路層変換回路の設計

中山知征，榊原久二男，菊間信良，平山　裕

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2011.03

Language：Japanese   Presentation type：Oral presentation (general)  

ロットマンレンズ給電ミリ波コムライン2次元アレーアンテナのビーム走査特性

小池慎一郎，榊原久二男，菊間信良，平山　裕

電子情報通信学会 総合大会  電子情報通信学会

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Event date： 2011.03

Language：Japanese   Presentation type：Oral presentation (general)  

Measured Performance of Microstrip-Line-Fed Broadband Waveguide Aperture Antenna International conference

Shintaro Yano, Kunio Sakakibara, Kazuyuki Seo, Nobuyoshi Kikuma, Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2010)  電子情報通信学会

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Event date： 2010.11

Language：English   Presentation type：Oral presentation (general)  

Venue：マカオ  

Bandwidth Enhancement of Microstrip Comb-Line Antenna Fed from Both Ends International conference

Atsushi Kunita, Kunio Sakakibara, Kazuyuki Seo, Nobuyoshi Kikuma, and Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2010)  電子情報通信学会

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Event date： 2010.11

Language：English   Presentation type：Oral presentation (general)  

Venue：マカオ  

Bandwidth of Multi-Port Microstrip-to-Waveguide Transitions in Millimeter-Wave Band International conference

Kunio Sakakibara, Daisuke Takagi, Kazuyuki Seo, Nobuyoshi Kikuma, and Hiroshi Hirayama

International Symposium on Antennas and Propagation (ISAP2010)  電子情報通信学会

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Event date： 2010.11

Language：English   Presentation type：Oral presentation (general)  

Venue：マカオ  

Matching-Circuit-Integrated Millimeter-wave Microstrip Comb-line Antennas International conference

Kunio Sakakibara, Nobuyoshi Kikuma, and Hiroshi Hirayama

Thailand-Japan Topical Meeting on Antennas and Propagation 2010 (TJTMAP2010) 

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Event date： 2010.10

Language：English   Presentation type：Oral presentation (general)  

Matching-circuit-integrated Millimeter-wave Microstrip Comb-line Antennas for Various Number of Elements International conference

Kunio Sakakibara, Nobuyoshi Kikuma, and Hiroshi Hirayama

2010 Autumn Microwave & Radio Wave Conference 

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Event date： 2010.09 - 2010.10

Language：English   Presentation type：Oral presentation (general)  

Mechanically-Controlled Phase Shifter of Left-Handed Waveguide for Beam-Scanning Slot Array Antennas International conference

Kunio Sakakibara, Nobuyoshi Kikuma, and Hiroshi Hirayama

2010 International Conference on Electromagnetics in Advanced Applications (ICEAA ’10) 

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Event date： 2010.09

Language：English   Presentation type：Oral presentation (general)  

Microstrip-to-waveguide Transition using Large Broad-wall Waveguide in Millimeter-wave Band International conference

Kazuyuki Seo, Kunio Sakakibara, Nobuyoshi Kikuma

2010 IEEE International Conference on Ultra-Wideband (ICUWB2010) 

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Event date： 2010.09

Language：English   Presentation type：Oral presentation (general)  

キャビティ装荷導波管マイクロストリップ線路変換器の広帯域化設計

高木大佑，榊原久二男，菊間信良，平山裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2010.09

Language：English   Presentation type：Oral presentation (general)  

両側進行波給電マイクロストリップコムラインアンテナの設計 International conference

国田篤，榊原久二男，菊間信良，平山裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2010.09

Language：Japanese   Presentation type：Oral presentation (general)  

マイクロストリップ線路給電広帯域導波管開口アンテナの試作特性

矢野晋太郎，榊原久二男，菊間信良，平山裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2010.09

Language：Japanese   Presentation type：Oral presentation (general)  

プリント基板内E面導波管の伝送特性

佐野浩久，榊原久二男，菊間信良，平山　裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2010.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪府立大  

コプレーナ線路給電スロットアンテナにおける地板の影響評価 International conference

長谷川新，榊原久二男，菊間信良，平山裕

電子情報通信学会 ソサイエティ大会  電子情報通信学会

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Event date： 2010.09

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：大阪府立大  

Design of Four-Way Power-Divider to Control Sidelobe Level of Microstrip Comb-line Antenna International conference

Kunio Sakakibara, Nobuyoshi Kikuma, and Hiroshi Hirayama

2010 IEEE International Conference on Wireless Information Technology and Systems (ICWIT2010) 

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Event date： 2010.08 - 2010.09

Language：English   Presentation type：Oral presentation (general)  

Millimeter-wave Slotted Waveguide Planar Array Using Partially-Parallel Feeding with Travelling-wave Excitation International conference

Kunio Sakakibara, Yuki Ikeno, Nobuyoshi Kikuma, and Hiroshi Hirayama

2010 IEEE AP-S International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting 

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Event date： 2010.07

Language：English   Presentation type：Oral presentation (general)  

Passive Millimeter-Wave Imaging Experiment using Layered-Structure Detector Module International conference

Kunio Sakakibara

2010 AP Technical Meeting 

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Event date： 2010.04

Language：English   Presentation type：Oral presentation (general)  

Millimeter-Wave Microstrip Array Antenna with Matching-Circuit-Integrated Radiating-Elements International conference

K. Sakakibara, S. Sugawa, N. Kikuma, H. Hirayama

The 4th European Conference on Antennas and Propagation (EuCAP2010) 

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Event date： 2010.04

Language：English   Presentation type：Poster presentation  

Millimeter-Wave Microstrip-to-Waveguide Transition Operating over Broad Frequency Bandwidth

Yusuke Deguchi, Kunio Sakakibara, Nobuyoshi Kikuma and Hiroshi Hirayama

IEEE MTT-S 2005 International Microwave Symposium (IMS2005)  2005.06  IEEE MTT-S

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Event date： 2005.06

Language：English   Presentation type：Oral presentation (general)  

Venue：Long Beach   Country：United States  

Other Link： https://ieeexplore.ieee.org/document/1517163