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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.) |
[more] | |
| 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 |
| MW | 2022-03-03 09:15 |
Online | Online | Stripline-Type Cruciform Directional Couplers Mitsuyoshi Kishihara (Okayama Pref. Univ.), Isao Ohta (Univ. of Hyogo) MW2021-111 |
Directional couplers of simple structure which consist of H-plane or E-plane waveguides crossing in cruciform and posses... [more] | MW2021-111 pp.1-6 |
| 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 | 2021-05-20 13:30 |
Online | Online | Trial Fabrication and Evaluation of PTFE Substrate Integrated Waveguide Butler Matrix for Short Millimeter-Wave Mitsuyoshi Kishihara (Okayama Pref. Univ.), Kaito Fujitani, Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2021-6 |
This paper attempts to fabricate and evaluate a 4×4 Butler matrix for short millimeter-wave, based on the fabrication pr... [more] | MW2021-6 pp.5-10 |
| 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 |
| ED, MW | 2018-01-25 15:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Microwave-excited phenomena in nano/micro-system Akinobu Yamaguchi (Univ. Hyogo), Mitsuyoshi Kishihara (Okayama Pref. Univ.), Masaya Takeuchi, Yuichi Utsumi (Univ. Hyogo) ED2017-93 MW2017-162 |
We demonstrated the fabrication of nano/micro-system for studying the magnetization dynamics in artificial magnets on a ... [more] | ED2017-93 MW2017-162 pp.1-5 |
| 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, ICD | 2017-03-02 09:00 |
Okayama | Okayama Prefectural Univ. | Fabrication of Integrated PTFE-Filled Waveguide Butler Matrix for Short Millimeter-Wave by SR Etching
-- Construction Using Cruciform Couplers and Intersection Circuits -- Mitsuyoshi Kishihara (Okayama Pref. Univ.), Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2016-188 ICD2016-118 |
This paper attempts to fabricate an integrated waveguide Butler matrix for short millimeter-wave using SR etching proces... [more] | MW2016-188 ICD2016-118 pp.1-6 |
| AP, SAT, SANE (Joint) |
2016-07-21 13:00 |
Hokkaido | Otaru port marina | Trial Fabrication of 180GHz-Band E-Plane 2-Way divider and Horn Antennas by PTFE-Filled Waveguide and Its Evaluation Mitsuyoshi Kishihara (Okayama Pref. Univ.), Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohata (Univ. of Hyogo) AP2016-47 |
The fabrication process of the waveguide using the SR (synchrotron radiation) direct etching process of PTFE and the spu... [more] | AP2016-47 pp.61-66 |
| 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, OPE, EMT, MWP, EST, IEE-EMT [detail] | 2014-07-17 11:15 |
Hokkaido | Muroran Inst. of Tech. | Design of Substrate Integrated Waveguide Multiple-Port Power Divider Using Cascade-Connected Cruciform Directional Couplers Koji Takahashi, Tadashi Kawai (Univ. of Hyogo), Mitsuyoshi Kishihara (Okayama Pre. Univ.), Isao Ohta, Akira Enokihara (Univ. of Hyogo) MW2014-56 OPE2014-25 EST2014-17 MWP2014-14 |
[more] | MW2014-56 OPE2014-25 EST2014-17 MWP2014-14 pp.17-21 |
| 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 |
| EST, MWP, OPE, MW, EMT, IEE-EMT [detail] | 2013-07-18 11:25 |
Hokkaido | Wakkanai Synthesis Cultural Center | Trial Fabrication of 180 GHz-Band PTFE-Filled Waveguide by SR Etching and Its Evaluation Mitsuyoshi Kishihara (Okayama Pref. Univ.), Hideki Kido, Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2013-64 OPE2013-33 EST2013-28 MWP2013-23 |
This paper describes trial fabrication of a PTFE-filled waveguide for 180 GHz-band operation with the use of the SR (syn... [more] | MW2013-64 OPE2013-33 EST2013-28 MWP2013-23 pp.103-108 |
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