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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-06-14 14:50 |
Tokyo | Hachijomachi-shoko-kai (Primary: On-site, Secondary: Online) |
Motion detection of multi person by spectral estimation of Wi-Fi received signal strength Koichiro Sakaguchi, Mitsuyoshi Kishihara, Kensuke Okubo (Okayama Prefectural Univ.)  MW2024-29 |
Wi-Fi sensing is expected to be a low-cost sensing method because it does not require dedicated sensors. In this study, ... [more] | MW2024-29 pp.55-58 |
| MW | 2024-02-29 14:55 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A design of H-plane waveguide directional coupler with X-type intersection Mitsuyoshi Kishihara, Koichiro Sakaguchi, Kensuke Okubo (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo) MW2023-182 |
The cruciform directional coupler which consists of two rectangular waveguides crossing each other at right angles has b... [more] | MW2023-182 pp.43-47 |
| MW | 2024-03-01 11:20 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A Study on Dispersion Characteristics for a nonreciprocal CRLH-TL consisting of an Even Number of Unit Cells Tomohiro Maruyama, Nozomu Fujikawa, Koichiro Sakaguchi, Mitsuyoshi Kishihara, Kensuke Okubo (Okayama Pref Univ) MW2023-191 |
Circuit analysis of our proposing nonreciprocal CRLH-TL consisting of an even number of unit cells are performed. Althou... [more] | MW2023-191 pp.84-88 |
| MW | 2022-11-15 16:25 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Study on Periodic Motion Detection by Spectral Estimation of Wi-Fi Received Signal Strength Koichiro Sakaguchi, Mitsuyoshi Kishihara, Kensuke Okubo (Okayama Prefectural Univ.) MW2022-118 |
[more] | MW2022-118 pp.52-55 |
| AP, MW (Joint) |
2022-09-16 14:50 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
[Invited Talk]
Nonreciprocal composite right/left-handed metamaterial transmission lines with ferrite loaded waveguide Kensuke Okubo (Okayama Pref. Univ.) MW2022-80 |
Nonreciprocal composite right/left-handed metamaterial transmission lines with ferrite loaded waveguide are reviewed. A ... [more] | MW2022-80 pp.62-67 |
| 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.) MW2021-128 |
A bias magnetic field dependence of the phase shifting characteristics in the prototype circuit is experimentally clarif... [more] | MW2021-128 pp.96-99 |
| 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 | 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 |
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