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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2023-05-18 14:45 |
Kyoto | Ritsumeikan University (Primary: On-site, Secondary: Online) |
A Basic Study of a Heat dissipation 8-way Waveguide Power Combiner Akimichi Hirota, Takeshi Oshima, Jun Nishihara, Hiroyuki Nonomura, Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Corp.)  MW2023-9 |
A coaxial to waveguide transition is used when signals are transmitted with low loss. When a large power is input to the... [more] | MW2023-9 pp.1-5 |
| WPT, MW | 2023-04-13 14:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Design and Evaluation of Small 4-way Power Combiner using One Waveguide Yuta Sugiyama, Takeshi Oshima, Hidenori Ishibashi, Miki Kagano, Hidenori Yukawa, Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric) WPT2023-4 MW2023-4 |
High power HPAs made of GaN are beginning to be widely used for 5G and satellite communications. Maximum output power of... [more] | WPT2023-4 MW2023-4 pp.16-21 |
| MW | 2022-05-20 10:00 |
Kyoto | Kyoto Univ. (Primary: On-site, Secondary: Online) |
A Basic Study of a Heat dissipation Coaxial to Waveguide Transition Akimichi Hirota, Takeshi Oshima, Jun Nishihara, Hiroyuki Nonomura, Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric) MW2022-16 |
A coaxial to waveguide transition is used when signals are transmitted with low loss. When a large power is input to the... [more] | MW2022-16 pp.8-12 |
| MW | 2022-03-03 09:35 |
Online | Online | Chip Resistors for Heat Dissipation on RF circuits Yuta Sugiyama, Hidenori Ishibashi, Takeshi Oshima, Hidenori Yukawa, Toru Fukasawa, Toru Takahashi, Yoshio Inasawa (Mitsubishi Electric) MW2021-112 |
In this paper we present that the technology of heat dissipation for RF circuit using chip resistors. The quarter wavele... [more] | MW2021-112 pp.7-11 |
| MW | 2021-05-20 13:55 |
Online | Online | Waveguide Rat-Race Coupler with Phase Inverter Circuits Comprised of Twists Hidenori Yukawa, Takeshi Oshima, Toru Takahashi, Yoshio Inasawa (Mitsubishi Ele. Corp.) MW2021-7 |
A rat race coupler is useful as a 180-degree coupler. But in principle, a phase difference of 180 degrees can be obtaine... [more] | MW2021-7 pp.11-16 |
| MW | 2021-03-05 15:20 |
Online | Online | RF circuit combined inkjet-printed silver wire and copper foil wire Yuta Sugiyama, Hidenori Ishibashi, Takeshi Oshima, Toru Takahashi, Yoshio Inasawa (Mitsubishi Electric), Hikaru Harada (Kishu Giken Kogyo) MW2020-99 |
In this paper we present RF circuit combined inkjet-printed silver wiring and copper foil wiring. Since the inkjet print... [more] | MW2020-99 pp.43-48 |
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-21 11:25 |
Hokkaido | Obihiro Chamber of Commerce and Industry | A Power Divider of RF Module for High SHF Wide-band Massive MIMO in 5G Hideharu Yoshioka, Yasuo Morimoto, Hiroyuki Aoyama, Takeshi Yuasa, Takeshi Oshima, Naofumi Yoneda (Mitsubishi Electric) EMT2017-32 MW2017-57 OPE2017-37 EST2017-34 MWP2017-34 |
For realization of the 5th generation mobile communication system, high SHF wide-band massive MIMO are gaining attention... [more] | EMT2017-32 MW2017-57 OPE2017-37 EST2017-34 MWP2017-34 pp.139-143 |
| MW | 2016-06-23 13:25 |
Gifu | Gifu Univ. | Design and Analysis of Quarter-Wave Coupled-Line Directional Couplers for Setting Reference Impedances Different from One Another at Four Ports Consisting of Coupled Strip Line Takeshi Oshima, Naofumi Yoneda, Hiroaki Miyashita, Moriyasu Miyazaki (Mitsubishi Electric Corp.), Koji Wada (UEC) MW2016-31 |
This report presents design and analysis of quarter-wave coupled-line directional couplers for setting reference impedan... [more] | MW2016-31 pp.7-12 |
| MW, ICD | 2015-03-06 11:15 |
Fukui | University of Fukui | Reduction of the Phase Deviation for Lumped-element Hybrid Matrix Consists of a Branch-line Hybrid and Rat-race Hybrids Hidenori Ishibashi, Masayuki Hata, Hideki Fushimi, Takeshi Oshima, Yukihiro Tahara, Hiroaki Miyashita (MELCO) MW2014-220 ICD2014-133 |
A hybrid matrix circuit that consists of a 90 degree hybrid and 180 degree hybrids has been proposed as circular interfe... [more] | MW2014-220 ICD2014-133 pp.101-106 |
| AP | 2013-05-17 14:50 |
Oita | Beppu International Convention Center B-ConPlaza | Duplex Wireless Power Transmission with a Directional Coupler for Interference Reduction Kengo Nishimoto (Mitsubishi Electric), Kenzaburo Hitomi (Mitsubishi Electric Engineering), Takeshi Oshima, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric), Yoshiyuki Takahashi, Yoshiyuki Akuzawa (Mitsubishi Electric Engineering) AP2013-31 |
In duplex wireless power transmission using electromagnetic resonant coupling, a method of reducing interference by addi... [more] | AP2013-31 pp.85-90 |
| AP, MW (Joint) |
2012-09-27 14:00 |
Saitama | KDDI R&D LABS | A Broadband and Compact LTCC Branch-Line Hybrid Using Series Capacitances and Short-Circuited Stubs Motomi Abe, Takeshi Oshima, Hideki Hatakeyama, Akihiro Itaba, Tetsu Owada (MELCO) MW2012-68 |
[more] | MW2012-68 pp.15-19 |
| AP, WPT (Joint) |
2011-10-13 09:50 |
Kanagawa | Kanagawa Womens Center | Circularly Polarized Cavity Antenna Fed by L-shaped Probes Takashi Yanagi, Takeshi Oshima, Kazushi Nishizawa, Toru Fukasawa, Hiroaki Miyashita, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2011-77 |
A circularly polarized cavity antenna that is fed by L-shaped probes is proposed in this paper. This antenna has a simpl... [more] | AP2011-77 pp.1-6 |
| MW | 2010-12-17 10:30 |
Ishikawa | Kanazawa Inst. of Tech. | A Broadband Branch-Line Hybrid Utilizing Open-Circuited Coupled Sections Takeshi Oshima, Takashi Yanagi, Toru Fukasawa, Hiroaki Miyashita, Yoshihiko Konishi (Mitsubishi Electric Corp.) MW2010-131 |
This report presents a broadband branch-line hybrid utilizing open-circuited interdigital sections as matching network. ... [more] | MW2010-131 pp.51-56 |
| IT | 2010-11-30 16:30 |
Nagano | [Invited Talk]
Operation of Asteroid Explorer "Hayabusa" and its Communication Technology Takeshi Oshima (NEC), Junichiro Kawaguchi (JAXA) IT2010-53 |
General description, communication subsystem configuration and rescue operation after communication link down about the ... [more] | IT2010-53 pp.19-26 |
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| AP | 2010-03-08 14:45 |
Saitama | Saitama University | Derivation Method of Earth Conductivity Using Field Strength Data of MF Broadcasting Wave Ryosaku Shimizu, Takeshi Oshima, Hidetoshi Okano, Yasumasa Konno, Hisayuki Kato (NHK) AP2009-215 |
We measured the field strength data at a great number of points to confirm the antenna radiation pattern and the coverag... [more] | AP2009-215 pp.61-66 |
| MW | 2009-09-25 15:50 |
Tokyo | Univ. of Electro-Communications | Construction and Design Equations of a Lumped Element Dual-Band Wilkinson Divider Takeshi Oshima, Toru Fukasawa, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corp.) MW2009-87 |
This report presents the construction and design equations of a lumped element Wilkinson divider with dual-band operatio... [more] | MW2009-87 pp.79-82 |
| EMCJ, MW | 2006-10-27 10:30 |
Aomori | Hachinohe Institute of Technology | A Design Procedure of Branch- and Rat-Race-Type Couplers with Arbitrary Resistive Loads Takeshi Oshima, Masataka Ohtsuka (Mitsubishi Electric Corp.) EMCJ2006-65 MW2006-121 |
In this report, a design procedure of branch- and rat-race-type couplers with arbitrary resistive loads is described. Th... [more] | EMCJ2006-65 MW2006-121 pp.81-86 |
| SCE, MW | 2006-04-20 09:00 |
Tokyo | ISTEC-SRL (Shinonome) | A Design Procedure of Broadband Branch-Type Hybrids Based on Network Synthesis Theory Takeshi Oshima, Hideyuki Soutome, Masataka Ohtsuka, Yonehiko Sunahara (Mitsubishi Electric Corp.) |
In this report, a design procedure of broadband branch-type hybrids is described based on the network synthesis theory. ... [more] | SCE2006-1 MW2006-1 pp.1-6 |
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