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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2024-01-17 14:25 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
2.45 GHz High-Efficiency Power Amplifier for Integration and Cooperation of Telecommunication and Wireless Power Transfer Yuki Takagi, Yuta Nakamoto, Takashi Hirakawa, Yoshichika Ohta, Naoki Hasegawa (SB)  WPT2023-30 |
In this paper, we present a transmitter configuration of wireless devices that is optimized for both information transmi... [more] | WPT2023-30 pp.1-5 |
| MW | 2023-11-16 11:15 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
Dual-Band Asymmetric Doherty Amplifier with T-shaped Stubs Yuki Takagi, Yoshichika Ohta (SB) MW2023-127 |
In this paper, we propose a design method for a dual-band asymmetric Doherty amplifier at 1.8 GHz(Band3)/2.1 GHz (Band1)... [more] | MW2023-127 pp.7-12 |
| RCS, IN, NV (Joint) |
2023-05-25 10:50 |
Kanagawa | Keio University (Hiyoshi Campus), and online (Primary: On-site, Secondary: Online) |
Performance Evaluation of Digital Self-Interference Cancellers for In-Band Full-Duplex Systems with High-Power Amplifiers Motoshi Tawada, Yuki Takagi, Yoshichika Ohta (SoftBank) RCS2023-16 |
In-band full-duplex communication (IBFD), which performs transmission and reception in the same frequency band at the sa... [more] | RCS2023-16 pp.13-17 |
| MW | 2022-11-15 13:50 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Study on Power Consumption and Power Reduction of RF Power Amplifier in 5G Downlink System Yuki Takagi, Yoshichika Ohta (SB) MW2022-113 |
This paper proposes the estimation of power consumption of RF power amplifier in downlink (from base station to UE) comm... [more] | MW2022-113 pp.25-30 |
| MRIS, ITE-MMS | 2021-12-10 15:35 |
Online | Online | Development of flux control writer
-- World's first practical use of assist record technology -- Naoyuki Narita, Masayuki Takagishi (Toshiba corporate R&D center), Gaku Koiizumi, Akihiko Takeo (Toshiba devices & storage corporation), Tomoyuki Maeda (Toshiba corporate R&D center) |
[more] | |
| MRIS, ITE-MMS | 2020-12-03 14:30 |
Online | Online | [Invited Talk]
Extended Concept of MAMR and Its Performance and Reliability Akihiko Takeo, Gaku Koizumi, Naoyuki Narita, Masayuki Takagishi, Tomoyuki Maeda (Toshiba) MRIS2020-8 |
[more] | MRIS2020-8 pp.14-19 |
| MW | 2019-11-14 16:00 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | High Efficiency Doherty Amplifier Using T-Shaped Stabs with Spurius Suppression and Impedance Conversion Function Yuki Takagi, Naoki Hasegawa, Yoshichika Ota (SB), Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2019-107 |
In recent years, various types of wireless stations such as a base station used on quasi-millimeter wave band have been ... [more] | MW2019-107 pp.41-46 |
| AP | 2019-05-17 09:55 |
Hyogo | Kanpo-no-yado Arima (Arima Onsen, Hyogo) | Simulation for Traveling-Wave-Type Phased-Array Antenna with Distribution of Circuit Phase Error for Microwave Power Transfer Naoki Hasegawa, Yuki Takagi, Yoshichika Ohta (SB) AP2019-7 |
The traveling-wave feed circuit for phased-array antenna contributes to reduce phase control systems. In this feed circ... [more] |
AP2019-7 pp.35-39 |
| MRIS, ITE-MMS | 2018-06-07 13:00 |
Miyagi | Tohoku Univ. | [Invited Talk]
Write current evaluation using BER simulator including “TAU MODEL”
-- including HDD development topics -- Masayuki Takagishi (Toshiba) MRIS2018-1 |
We have developed newly “BER simulator”, which can calculate Bit Error Rate, including write current wave form, write he... [more] | MRIS2018-1 pp.1-6 |
| CPM | 2018-03-01 16:50 |
Tokyo | Tokyo Univ. of Technol. | Fundamental study of fabrication of magneto-optical materials for a flexible magneto-optical imaging sensor Kosuke Nishimoto (SNIT), Hiroyuki Takagi, Taichi Goto, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT), Ryosuke Hashimoto (SNIT) CPM2017-125 |
Non-destructive testing is an important technology to keep safety of our daily life. Magneto-optical imaging is a useful... [more] | CPM2017-125 pp.37-38 |
| MRIS, ITE-MMS | 2017-12-08 09:20 |
Ehime | Ehime Univ. | Fabrication and properties of multilayered media for collinear magnetic hologram Yuichi Nakamura, Naoki Hoshiba, Zen Shirakashi, Taichi Goto, Hiroyuki Takagi, Pang Beoy Lim, Hironaga Uchida, Mitsuteru Inoue (Toyohashi Tech.) MR2017-37 |
[more] | MR2017-37 pp.63-67 |
| MW | 2017-11-09 14:05 |
Okinawa | Miyakojima Marin Terminal Bldg. | Wide-Band High-Efficiency GaN HEMT Amplifier Based on Multi-Harmonic Treatments at Low SHF Band Yuki Takagi, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2017-121 |
High-efficiency power amplifiers operating at higher-frequency bands are required for next generation wireless communica... [more] | MW2017-121 pp.51-56 |
| CPM | 2017-10-28 11:05 |
Nagano | Shinshu Univ. Nagano-Education Campus, E7 building 3F | Fabrication of bismuth high substituted neodymium iron gallium garnet film using metal-organic decomposition method Hideyuki Kurahashi, Kosuke Sasaki, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mituteru Inoue (TUT) CPM2017-77 |
[more] | CPM2017-77 pp.57-62 |
| CPM | 2017-10-28 11:25 |
Nagano | Shinshu Univ. Nagano-Education Campus, E7 building 3F | Fabrication of Magneto-optical materials and imaging device for Magneto-optical imaging Kosuke Nishimoto, Ryosuke Hashimoto (SNIT), Hiroyuki Takagi, Taichi Goto, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT) CPM2017-78 |
[more] | CPM2017-78 pp.63-66 |
| CPM | 2017-10-04 15:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Effect of multi-layered magnetic media for recording volumetric magnetic hologram Naoki Hoshiba, Zen Shirakashi, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Lim Pang Boey, Hironaga Uchida, Mitsuteru Inoue (Toyohashi Univ.) CPM2017-63 |
We have studied to realize rewritable magnetic hologram memory using magnetic garnet which is a stable material. Improve... [more] | CPM2017-63 pp.19-24 |
| CPM | 2017-07-21 14:39 |
Hokkaido | Fabrication and properties of multiferroic PZT-Bi:RIG composite for optical modulation Naoki Akiyama, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT) CPM2017-24 |
Magneto-optic spatial light modulator (MOSLM) controls light intensity depending on the direction of magnetization and h... [more] | CPM2017-24 pp.15-19 |
|
| SDM | 2017-06-20 15:35 |
Tokyo | Campus Innovation Center Tokyo | Heavily-doped SOI Substrate and Transfer Printing for Fabrication of TMDC FETs Takamasa Kawanago, Ryo Ikoma, Hiroyuki Takagi, Shunri Oda (Tokyo Inst. of Tech.) SDM2017-28 |
[more] | SDM2017-28 pp.35-38 |
| MW | 2016-12-15 11:10 |
Kanagawa | National Defense Academy | A High-Efficiency GaN HEMT Power Amplifier with Harmonic Reactive Termination using a T Shaped Stab for Two Harmonics Yuki Takagi, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-138 |
A microwave multiband high-efficiency power ampli er is required for the next-generation mobile communication system to ... [more] | MW2016-138 pp.35-40 |
| CPM | 2016-11-19 11:55 |
Ishikawa | Study on multi-valued three-dimensional magneto-optic spatial light modulator Kazuki Yamazaki, Kazuki Nakamura, Hiroyuki Takagi (TUT), Taichi Goto (TUT/JST PRESTO), Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT) CPM2016-74 |
[more] | CPM2016-74 pp.65-68 |
|
| CPM | 2016-10-05 15:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Improvement of diffraction efficiency of volumetric magnetic hologram by magnetic assist recording conditions Zen Shirakashi, Koudai Kawazu, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT) CPM2016-59 |
Magnetic garnet films such as bismuth, dysprosium, and aluminum substituted yttrium iron garnet (Bi:YIG) are used for re... [more] | CPM2016-59 pp.23-28 |
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