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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 25  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2022-03-04
09:00
Online Online On variable phase shifting characteristics of ferrite loaded folded rectangular waveguide
Kensuke Okubo, Ryuji Mori, Mitsuyoshi Kishihara, Koichiro Sakaguchi (Okayama Pref. Univ.)
A bias magnetic field dependence of the phase shifting characteristics in the prototype circuit is experimentally clarif... [more] MW2021-128
pp.96-99
MW
(2nd)
2019-06-26
- 2019-06-28
Overseas RUS, Bangkok, Thailand Design of 5.8 GHz band coaxial line type reaction chamber for microwave heating
Hiroyuki Urushihara, Mitsuyoshi Kishihara, Kensuke Okubo (Okayama Pref. Univ.), Kazunori Yamashita, Munetaka Kishi (K-NEX Co.,Ltd.), Takeko Matsumura (Minerva Light Labo.)
Microwave energy has been positively used for material synthesis, chemical reaction, etc. As one of the microwave reacti... [more]
MW
(2nd)
2018-06-27
- 2018-06-29
Overseas KMITL, Bangkok, Thailand A study on nonreciprocal CRLH-TL using gyrator and its experiment in MF band
Kensuke Okubo, Masayuki Ishihara, Mitsuyoshi Kishihara, Hironori Takimoto (Okayama Pref. Univ.)
A nonreciprocal CRLH-TL using gyrator is fabricated, and a nonreciprocal dispersion diagram, showing that seamless trans... [more]
MW 2018-05-25
09:00
Kyoto Doshisha Univ. Analysis of Discontinuity in Half-Mode Substrate Integrated Waveguide
Shogo Nakamura, Mitsuyoshi Kishihara, Kensuke Okubo, Hironori Takimoto (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo) MW2018-11
The Half-mode-SIW has the advantage that the occupied area of the surface conductor or circuit can be halved. In this st... [more] MW2018-11
pp.7-11
MW
(2nd)
2017-06-14
- 2017-06-16
Overseas KMUTT, Bangkok, Thailand A Study on Non-Reciprocal CRLH-TL Using Gyrator
Masayuki Ishihara, Kensuke Okubo, Mitsuyoshi Kshihara, Hironori Takimoto (Okayama Pref. Univ.)
By treating an antiparallel magnetized LH ferrite waveguide as a simper circuit as periodic structure of gyrator, nonrec... [more]
MW 2017-05-18
14:50
Osaka Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) Design of 0-dB Forward Coupler Using Left-Handed Waveguide of Cutoff TM-mode
Seiichi Ohkubo, Mitsuyoshi Kishihara, Kensuke Okubo, Hironori Takimoto (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo) MW2017-10
Because the TM-mode waveguide below the cutoff frequency shows negative permeability, a left-handed waveguide can be con... [more] MW2017-10
pp.13-17
MW 2016-05-19
15:00
Kyoto Kyoto Univ. Improvement of Isolation Characteristics of Multi-Way Power Divider Using Mode Transducer
Keita Miki, Mitsuyoshi Kishihara, Kensuke Okubo, Hironori Takimoto (Okayama Pref. Univ.), Isao Ohta (Univ of Hyogo) MW2016-9
The TE10-TEp0 mode transducers consisting of a linearly arranged single-mode waveguide(SMWG) and an over-moded waveguide... [more] MW2016-9
pp.1-6
MW
(2nd)
2015-08-06
- 2015-08-08
Overseas Chulalongkorn Univ., Bangkok, Thailand A study on LH ferrite waveguide using half mode waveguide
Sho Yasugi, Kensuke Okubo, Mitsuyoshi Kishihara, Hironori Takimoto (Okayama Prefectural Univ.)
A left-handed ferrite waveguide using half mode waveguide is proposed. Numerical calculations are performed and nonrecip... [more]
MW
(2nd)
2015-08-06
- 2015-08-08
Overseas Chulalongkorn Univ., Bangkok, Thailand A numerical study on nonreciprocal transmission characteristics of antiparallel magnetized LH ferrite waveguide
Taichi Adachi, Kensuke Okubo, Mitsuyoshi Kishihara, Hironori Takimoto (Okayama Prefectural Univ.)
A left-handed ferrite waveguide with antiparallel bias magnetic field is investigated. Nonreciprocal dispersion diagram,... [more]
MW
(2nd)
2014-11-26
- 2014-11-28
Overseas King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok A numerical study on LH ferrite SIW with antiparallel bias magnetic field
Kensuke Okubo, Shoh Yasugi, Mitsuyoshi Kishihara, Hironori Takimoto (Okayama Pref. Univ.)
A left-handed ferrite substrate integrated waveguide (SIW) with antiparallel bias magnetic field is proposed. Numerical... [more]
MW 2014-05-22
14:30
Kyoto Doshisha Univ. Design of Left-Handed Rectangular Waveguide Using Cutoff TE- and TM-modes
Yuki Mizutani, Mitsuyoshi Kishihara (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo), Kensuke Okubo, Hironori Takimoto (Okayama Pref. Univ.) MW2014-31
It has been proposed that a left-handed waveguide can be constructed using negative permittivity derived from the cut-of... [more] MW2014-31
pp.43-47
MW 2014-05-22
15:00
Kyoto Doshisha Univ. An Analysis of Phase Constant of Coupled-Trough-Waveguide Based on E-plane Planar Circuit Approach -- Application to 0-dB Forward Coupler Using Trough-Waveguide --
Yuya Namba, Mitsuyoshi Kishihara (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo), Kensuke Okubo, Hironori Takimoto (Okayama Pref. Univ.) MW2014-32
In this paper, the trough-waveguide consisting of metallic plates is treated as a E-plane planar circuit that has discon... [more] MW2014-32
pp.49-53
MW 2013-06-28
13:15
Aichi Nagoya Institute of Tech. A Design of Directional Coupler Using Folded Left-Handed waveguide
Shuhei Takemoto, Mitsuyoshi Kishihara, Kensuke Okubo, Hironori Takimoto (Okayama Pref Univ.), Isao Ohta (Univ of Hyogo) MW2013-45
In this paper, a 0-dB directional coupler consisting of the folded left-handed waveguides with ridge-shaped stubs. First... [more] MW2013-45
pp.79-83
MW, ED 2013-01-18
10:25
Tokyo Kikai-Shinko-Kaikan Bldg. A Study on 0-dB Coupler Using Half-mode Groove Waveguide for Wireless Power Transmission
Seiya Mori, Mitsuyoshi Kishihara, Kensuke Okubo, Hironori Takimoto (Okayama Prefectural Univ.), Isao Ohta (Univ. of Hyogo) ED2012-119 MW2012-149
This paper proposes a design of 0-dB forward coupler consisting of the half-mode groove waveguides and fabrication of 0-... [more] ED2012-119 MW2012-149
pp.39-44
MW 2012-11-22
10:00
Okinawa   Investigation on Improvement of I/O Characteristics of Left-Handed Ferrite Rectangular Waveguide
Norihisa Tanaka, Kensuke Okubo, Mitsuyoshi Kishihara, Hironori Takimoto (Okayama Pref. Univ.) MW2012-120
Improvement of I/O characteristics of low height left-handed ferrite rectangular waveguide such as using substrate integ... [more] MW2012-120
pp.41-46
MW 2011-10-21
13:00
Tokyo The University of Electro-Communications Analysis of Discontinuities in Substrate Integrated Waveguide Based on Planar Circuit Approach
Hiroyuki Miyake, Mitsuyoshi Kishihara, Kensuke Okubo, Hironori Takimoto (Okayama Prefectural Univ.), Isao Ohta (Univ. of Hyogo) MW2011-106
 [more] MW2011-106
pp.113-118
AP, MW
(Joint)
2011-03-03
16:00
Ibaraki Ibaraki Univ. [Special Talk] An Attendee Report on European Microwave Week 2010
Hiromitsu Uchida (Mitsubishi Electric Corp.), Naobumi Michishita (NDA), Chun-Ping Chen (Kanagawa Univ.), Kensuke Okubo (Okayama Prefectural Univ.), Satoshi Matsumoto (Furuno Electric Co., LTD.), Yuuki Funahashi (Toshiba Corp.), Masaomi Tsuru (Mitsubishi Electric Corp.) AP2010-185 MW2010-163
This is an attendee report on the international conference of European Microwave Week (EuMW) 2010, including a statistic... [more] AP2010-185 MW2010-163
pp.67-75(AP), pp.63-71(MW)
MW 2010-11-25
16:50
Okinawa Tiruru [Special Talk] Briefing Report on 2010 IEEE MTT-S International Microwave Symposium
Shoichi Narahashi, Kunihiro Kawai (NTT DOCOMO), Kensuke Okubo (Okayama Prefectural Univ.), Masahiro Horibe (AIST), Takana Kaho (NTT), Kazuhisa Yamauchi (Mitsubishi), Kengo Kawasaki (Saga Univ.) MW2010-113
IEEE MTT-S International Microwave Symposium (IMS) was held in Anaheim, the United States, from May 23 to 28, 2010. This... [more] MW2010-113
pp.45-54
EMT, OPE, MW, IEE-EMT [detail] 2010-07-29
16:15
Hokkaido Hokkaido Univ. Some Periodic Structures on Left-Handed Ferrite Waveguide
Makoto Tsutsumi (Fukui Univ. of Tech.), Kensuke Okubo (Okayama Pref. Univ.) MW2010-57 OPE2010-42
This paper treats characteristics of periodic structure in the ferrite waveguide under cutoff which include left-handed ... [more] MW2010-57 OPE2010-42
pp.135-140
MW 2009-11-19
16:00
Kagoshima Tanegashima [Special Talk] Report on 2009 IEEE MTT-S International Microwave Symposium
Hiroshi Okazaki (NTT DOCOMO), Kenjiro Nishikawa (NTT Corp.), Yasunori Suzuki (NTT DOCOMO), Kensuke Okubo (Okayama Pref. Univ.), Tetsuya Ueda (Kyoto Inst. of Tech.), Akimichi Hirota (Mitsubishi Electric Corp.), Hirokazu Kamoda (NHK), Yasuhiro Nakasha (FUJITSU LABORATORIES LTD.) MW2009-134
Report on 2009 IEEE MTT-S International Microwave Symposium held in Boston, MA, USA, is presented. [more] MW2009-134
pp.35-42
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