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Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2022-05-20
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
MW 2022-03-03
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
MW 2021-05-20
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
MW 2021-03-05
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
MWP, OPE, EMT, MW, EST, IEE-EMT [detail] 2017-07-21
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
MW 2016-06-23
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
MW, ICD 2015-03-06
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
AP 2013-05-17
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
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
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
MW 2010-12-17
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
IT 2010-11-30
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
AP 2010-03-08
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
MW 2009-09-25
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
EMCJ, MW 2006-10-27
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
SCE, MW 2006-04-20
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
 Results 1 - 16 of 16  /   
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