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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 10:10 |
Tokyo | Hachijomachi-shoko-kai (Primary: On-site, Secondary: Online) |
A Ka-band 15W High Efficiency GaN MMIC Power Amplifier for Wideband Multi-carrier SATCOM Keigo Nakatani, Yutaro Yamaguchi, Ko Kanaya, Akihito Hirai (Mitsubishi electric corp.) |
[more] | |
| MW | 2024-03-01 09:00 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
An Anti-parallel Diode 100GHz GaN Frequency Tripler for Beyond 5G Using Terahertz Band Shimpei Yamashita, Yoshifumi Kawamura, Keigo Nakatani, Yoshitaka Kamo, Koji Yamanaka (MELCO)  MW2023-186 |
In this report, we present an anti-parallel diode frequency tripler GaN MMIC for the 100GHz band, which utilizes the ter... [more] | MW2023-186 pp.62-65 |
| MW | 2024-03-01 09:25 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A 100GHz-band GaN Transmitter Module with Triple-Multiplier for Beyond 5G Using Terahertz Band Yoshifumi Kawamura, Shimpei Yamashita, Keigo Nakatani, Koji Yamanaka, Yoshitaka Kamo, Kenichi Horiguchi, Tetsuo Kunii, Hirotaka Amasuga (Mitsubishi Electric) MW2023-187 |
The goal of Beyond 5G (B5G) is to achieve ultra-high-speed, large-capacity communications 10 times faster than 5G. In or... [more] | MW2023-187 pp.66-69 |
| MW | 2023-11-16 13:00 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
A Ka-band Three-Stage GaN MMIC Doherty Power Amplifier with Wideband Tee-line Doherty Network for 5G Applications Keigo Nakatani, Yutaro Yamaguchi, Ko Kanaya, Akihito Hirai (Mitsubishi Electric) MW2023-128 |
[more] | MW2023-128 pp.13-18 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-20 13:00 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
An Arbitrary Order IMD Suppression Method for Dual-Input Power Amplifiers by Controlling the Phase Differences of Dual-Band Signals Marie Taguchi, Yuji Komatsuzaki, Kigo Nakatani, Shintaro Shinjo (MELCO) EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24 |
In recent years, the 5G base station covering dual-band modulated signals are being developed. We propose an arbitrary o... [more] | EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24 pp.106-110 |
| MW | 2019-11-14 15:10 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | A Ka-Band CW 15.5W 15.6% Fractional Bandwidth GaN Power Amplifier MMIC Using Wideband BPF Inter-stage Matching Network Keigo Nakatani, Yutaro Yamaguchi, Masatake Hangai, Shintaro Shinjo (MitsubishiElectric) MW2019-105 |
This paper has reported a Ka-band 15.5W power amplifier Monolithic Microwave Integrated Circuit (MMIC) using 0.15m Gall... [more] | MW2019-105 pp.29-34 |
| MW | 2018-11-15 10:50 |
Nagasaki | Fukue Cultural Hall | A Ka-Band High Efficiency Doherty Power Amplifier MMIC using GaN-HEMT for 5G Application Keigo Nakatani, Yutaro Yamaguchi, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) MW2018-94 |
[more] | MW2018-94 pp.13-18 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 16:40 |
Akita | Yupopo | Demonstration of Uniform Heating Distribution Control for Microwave Heating Small Reactor with Solid-State Oscillators Kazuhiro Iyomasa, Yoshifumi Kawamura, Ryota Komaru, Yutaro Yamaguchi, Keigo Nakatani, Takeshi Shiode, Koji Yamanaka, Kazutomi Mori, Hiroshi Fukumoto (Melco) EMCJ2017-58 MW2017-110 EST2017-73 |
(To be available after the conference date) [more] | EMCJ2017-58 MW2017-110 EST2017-73 pp.171-175 |
| MW | 2016-11-17 14:55 |
Saga | Saga Univ. | Industrial microwave heating device using GaN amplifier module Kazuhiro Iyomasa, Koji Yamanaka, Takeshi Shiode, Hiroyuki Mizutani, Masaomi Tsuru, Yoshifumi Kawamura, Takaaki Yoshioka, Yuji Komatsuzaki, Yutaro Yamaguchi, Keigo Nakatani, Ryuta Komaru, Kazutomi Mori, Hiroshi Fukumoto (Mitsubishi Electric Corp.) MW2016-123 |
(To be available after the conference date) [more] | MW2016-123 pp.39-42 |
| EMCJ, IEE-EMC, MW, EST [detail] | 2016-10-20 11:20 |
Miyagi | Tohoku Univ. | An RF Frontend Amplifier Module for High SHF Wide-band Massive MIMO in 5G Keigo Nakatani, Shintaro Shinjo, Yuji Komatsuzaki, Jun Kamioka, Ryota Komaru, Hideyuki Nakamizo, Miyawaki Katsumi, Koji Yamanaka (Mitsubishi Electric) EMCJ2016-64 MW2016-96 EST2016-60 |
A highly integrated RF frontend module including a three-stage power amplifier (PA), a two-stage low noise amplifier (LN... [more] | EMCJ2016-64 MW2016-96 EST2016-60 pp.25-30 |
| MW, ICD | 2015-03-05 10:45 |
Fukui | University of Fukui | [Invited Talk]
An S-Band GaN High Efficiency Power Amplifier with Harmonic Processing Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ.) MW2014-204 ICD2014-117 |
In this report, a 2.45GHz high efficiency power amplifier, fabricated for the Student Design Competition in Asia-Pacific... [more] | MW2014-204 ICD2014-117 pp.13-17 |
| MW | 2013-06-27 14:10 |
Aichi | Nagoya Institute of Tech. | [Special Talk]
Development of the 8-pole 2GHz band spiral resonator BPF which formed the attenuation pole by tap electric supply Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ) MW2013-35 |
In this paper, the characteristics of the filter, which was fabricated for 2012 student microwave circuit design contest... [more] | MW2013-35 pp.29-33 |
| MW | 2013-05-31 15:00 |
Kyoto | Ryukoku Univ. | A 2.1GHz-Band 20W GaN Power Amplifier with Class-F Circuit Considering Parasitic Elements Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ.) MW2013-24 |
In this paper, a design method of Class-F power amplifier considering parasitic elements will be shown. Recently, many s... [more] | MW2013-24 pp.83-87 |
| MW | 2012-03-01 11:15 |
Saga | Saga University | [Special Talk]
Development of 1GHz High Gain 2-Stage Amplifier with Excellent Gain Flatness Keigo Nakatani, Naoto Kawasaki, Masayuki Hotta, Yuichi Sawahara, Toshio Ishizaki (Ryukoku Univ.) MW2011-171 |
[more] | MW2011-171 pp.23-26 |
| MW | 2012-03-01 11:55 |
Saga | Saga University | [Special Talk]
1GHz-Band 2-Stage Super Compact Amplifier Stabilized by Feedback Circuit Yuichi Sawahara, Masayuki Hotta, Naoto Kawasaki, Keigo Nakatani, Toshio Ishizaki (Ryukoku Univ.) MW2011-173 |
[more] | MW2011-173 pp.31-34 |
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