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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-11-14 11:30 |
Okinawa | JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Analysis of Power Amplifiers by Large Signal S-Parameters of Power Transistors Takashi Kondo, Kohei Fujiwara (TIRI), Sei Mizojiri, Kazuya Yaginuma (PB), Shinji Hara, Noriyuki Tanba (NU)  MW2024-127 |
In general, an accurate transistor model is necessary to design a power amplifier. The nonlinear behavior can be charact... [more] | MW2024-127 pp.24-28 |
| MW | 2024-11-14 14:35 |
Okinawa | JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Development of 1-W-class Microwave Dielectric Resonator Oscillator using a GaN Power Transistor Kohei Fujiwara, Takashi Kondo (TIRI), Sei Mizojiri, Kazuya Yaginuma (Pale Blue), Shinji Hara, Noriyuki Tanba (Nagoya Univ.) MW2024-131 |
[more] | MW2024-131 pp.46-51 |
| MW | 2024-11-14 15:00 |
Okinawa | JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
4.25GHz 50W microwave power source for microwave discharge electron source Sei Mizojiri, Kazuya Yaginuma (Pale Blue), Kohei Fujiwara, Takashi Kondo (TIRI), Shinji Hara, Noriyuki Tanba (IMaSS) MW2024-132 |
[more] | MW2024-132 p.52 |
| MW | 2024-06-14 13:15 |
Tokyo | Hachijomachi-shoko-kai (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Development of a waveguide bandpass filter created with 3D printing implementing plating technology on plastic in the W-Band Kohei Fujiwara, Ryuichi Kobayashi, Satoshi Kuwahara, Yuta Watanabe, Kohei Takizawa, Shota Takemura (TIRI) MW2024-26 |
[more] | MW2024-26 pp.40-43 |
| MW | 2023-11-17 12:55 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Evaluation of temperature characteristics of a dielectric resonator in microwave-band Kohei Fujiwara, Takashi Kondo (TIRI), Sei Mizojiri, Kazuya Yaginuma (Pale Blue), Shinji Hara, Noriyuki Tanba (Nagoya Univ.) MW2023-143 |
[more] | MW2023-143 pp.92-97 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-20 10:00 |
Hokkaido | Muroran Institute of Technology (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Development and Environmental Test of Dielectric Resonator Oscillator on 24-GHz-band Kohei Fujiwara, Takashi Kondo (TIRI) EMT2023-24 MW2023-42 OPE2023-24 EST2023-24 MWPTHz2023-20 |
[more] | EMT2023-24 MW2023-42 OPE2023-24 EST2023-24 MWPTHz2023-20 pp.82-87 |
| MW | 2023-06-22 13:35 |
Kanagawa | Yugawara-machi Shou-Kou-Kai Bldg. (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
Development of millimeter wave signal source using Non-Liner Transmission Line Makoto Yoshida (CDEX), Kohei Fujiwara, Kouich Tokita, Hidehiko Yamaoka (TIRI), Toshiyuki Yakabe (MPL) MW2023-20 |
We have been working on the practical application of 28 GHz-band VNA based on six-port method, which is a kind of the ho... [more] | MW2023-20 pp.1-6 |
| MW | 2022-12-15 13:30 |
Mie | Jingu-Kaikan(Ise) (Mie, Online) (Primary: On-site, Secondary: Online) |
Development of SIW type directional-coupler in 60-GHz-band Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) MW2022-132 |
[more] | MW2022-132 pp.7-10 |
| MW | 2022-12-16 10:25 |
Mie | Jingu-Kaikan(Ise) (Mie, Online) (Primary: On-site, Secondary: Online) |
Development of 28-GHz-band VNA based on six-port method Makoto Yoshida (CDEX), Kohei Fujiwara, Kouich Tokita, Hidehiko Yamaoka (TIRI), Toshiyuki Yakabe (MPL LLP) MW2022-142 |
VNAs based on the six-port method (SPC-VNA) is one of the homodyne systems that has a simple structure and is expected t... [more] | MW2022-142 pp.54-59 |
| MW | 2022-11-15 15:20 |
Nagasaki | Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Development of SIW type hybrid coupler with transducer of waveguide to MSL in W-band Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) MW2022-116 |
[more] | MW2022-116 pp.41-45 |
| MW | 2022-11-16 11:50 |
Nagasaki | Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Development of reference signal generator in 28-GHz-band Makoto Yoshida (CDEX), Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL) MW2022-126 |
Generally, most VNAs on the market employ a heterodyne method to achieve scalability of the measurement frequency and hi... [more] | MW2022-126 pp.90-95 |
| MW | 2022-11-16 13:30 |
Nagasaki | Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Complex Permittivity Measurement of Liquids at MHz Band Using an Open-Ended Coaxial Line Based on the Lumped Constant Theory Kouji Shibata (Hachinohe Institute of Tech.), Kohei Fujiwara (TIRI) MW2022-127 |
(To be available after the conference date) [more] | MW2022-127 pp.96-101 |
| MW | 2022-11-16 14:20 |
Nagasaki | Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Evaluation of fixture correction method of s-parameter measurement for surface mount devices Takashi Kondo, Kohei Fujiwara (TIRI) MW2022-129 |
A fixture correction is generally involved in s-parameter measurements for surface mount devices in the microwave band. ... [more] | MW2022-129 pp.108-112 |
| EMCJ, MW, EST, IEE-EMC [detail] | 2022-10-13 15:25 |
Akita | Akita University (Akita, Online) (Primary: On-site, Secondary: Online) |
Dielectric Measurement of Li(N(SO2CF3)2) Solutions Based on the Cut-off Circular Waveguide Reflection Method Kouji Shibata (Hachinohe Inst. of Tech.), Erika Otani, Jihae Han (Nigata Univ.), Kohei Fujiwara, Kouichi Tokita (TIRI), Yasuhiro Umebayashi (Nigata Univ.) EMCJ2022-46 MW2022-92 EST2022-56 |
(To be available after the conference date) [more] | EMCJ2022-46 MW2022-92 EST2022-56 pp.58-63 |
| EMCJ, MW, EST, IEE-EMC [detail] | 2022-10-13 15:50 |
Akita | Akita University (Akita, Online) (Primary: On-site, Secondary: Online) |
Development of SIW type hybrid-coupler in 60-GHz-band Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) EMCJ2022-47 MW2022-93 EST2022-57 |
[more] | EMCJ2022-47 MW2022-93 EST2022-57 pp.64-67 |
| AP, MW (Joint) |
2022-09-14 15:15 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
Development of 28 GHz band down-converter module with antenna using polymer powder bed fusion and plating Ryuichi Kobayashi, Kohei Fujiwara, Yuta Watanabe, Satoshi Kuwahara, Shota Takemura, Kohei Takizawa (TIRI) MW2022-68 |
We developed a down-converter module with a standard gain horn antenna using polyamide-12 polymer powder bed fusion. The... [more] | MW2022-68 pp.1-6 |
| AP, MW (Joint) |
2022-09-14 16:05 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
Dielectric Measurement of LiBF4 and LiPF6 Solutions Based on the Cut-off Circular Waveguide Reflection Method Kouji Shibata (Hachinohe Inst. of Tech.), Erika Otani, Jihae Jan (Nigata Univ.), Kohei Fujiwara, Kouichi Tokita (TIRI), Yasuhiro Umebayashi (Nigata Univ.) MW2022-70 |
(To be available after the conference date) [more] | MW2022-70 pp.13-18 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 09:20 |
Hokkaido | Asahikawa Civic Culture Hall (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Dielectric Measurement of liquids at Frequency Range of 10 - 1000MHz Based on the Combination of Cut-off Circular Waveguide Reflection Method and a Large-bore Jig Kouji Shibata (Hachinohe Institute of Tech.), Kohei Fujiwara (TIRI) EMT2022-17 MW2022-41 OPE2022-20 EST2022-18 MWPTHz2022-15 |
(To be available after the conference date) [more] | EMT2022-17 MW2022-41 OPE2022-20 EST2022-18 MWPTHz2022-15 pp.52-56 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 13:00 |
Hokkaido | Asahikawa Civic Culture Hall (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Development of SIW type power divider with transducer of waveguide to MSL in W-band Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) EMT2022-22 MW2022-46 OPE2022-25 EST2022-23 MWPTHz2022-20 |
A conventional vector network analyzer employs the super-heterodyne scheme to expand a measuring frequency band. However... [more] | EMT2022-22 MW2022-46 OPE2022-25 EST2022-23 MWPTHz2022-20 pp.73-78 |
| MW | 2022-05-20 10:50 |
Kyoto | Kyoto Univ. (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Development of a power divider based on SIW structure in the 60-GHz-band Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) MW2022-18 |
[more] | MW2022-18 pp.18-22 |
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