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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT, UWT (Joint) |
2021-11-12 15:20 |
Online | Online | Investigation of measurement systems for designing RF-DC conversion circuits with maximum conversion efficiency at specific power and load Kensuke Kobayashi, Kazuhiro Fujimori (Okayama Univ.)  WPT2021-9 |
In space solar power systems, the rectenna is used as an array on the power receiving side, but the microwave power dens... [more] | WPT2021-9 pp.1-5 |
| WPT, AP (Joint) |
2021-01-22 13:50 |
Online | Online | Examination of Matching Circuit Impedance on High-Efficiency Operating RF-DC Conversion Circuits Kensuke Kobayashi, Kazuhiro Fujimori (OU) WPT2020-32 |
Highly efficient rectenna and RF-DC conversion circuit are required for power transmission and energy harvesting in the ... [more] | WPT2020-32 pp.12-14 |
| WPT | 2019-06-11 11:05 |
Hokkaido | Hokkaido Univ. | Searching for highly efficient operating condition of an RF-DC conversion circuit using an automatic designing method based on genetic algorithm Takuma Akada, Kazuhiro Fujimori (Okayama Univ.) WPT2019-18 |
In this research, input stage and output stage of RF-DC conversion circuit is investigated to show optimal operating con... [more] | WPT2019-18 pp.41-46 |
| AP | 2018-10-19 09:55 |
Okayama | Okayama Univ. | A Study on Suitable Mutation for Genetic Algorithm Generating Planar Circuit Pattern by Logical OR of Overlapping Unit Structures Kento Nakagawa, Kazuhiro Fujimori (Okayama Univ.) AP2018-93 |
Microwave wireless power transfer technology attracts attention. An RF-DC conversion circuit is one of the most importa... [more] | AP2018-93 pp.25-30 |
| EMCJ | 2018-01-18 14:35 |
Okayama | Optical projection of AC magnetic field by using alkali metal atoms
-- High-resolution imaging by use of a digital micro-mirror device -- Shuji Taue, Yoshitaka Toyota, Kazuhiro Fujimori, Hideki Fukano (Okayama Univ.) EMCJ2017-91 |
(To be available after the conference date) [more] | EMCJ2017-91 pp.19-23 |
|
| AP, MW (Joint) |
2017-09-22 14:00 |
Saitama | Saitama University | The Consideration of A small amplifier for wireless power transmission using GaN device Yuki Nakano (Okayama Univ.), Satoshi Yoshida, Kenjiro Nishikawa (Kagoshima Univ.), Kazuhiro Fujimori (Okayama Univ.), Shigeo Kawasaki (JAXA) MW2017-75 |
To realize further future space development and space travel, realization of high frequency reuse type spacecraft is an ... [more] | MW2017-75 pp.41-45 |
| EMCJ, WPT, PEM (Joint) |
2016-11-24 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Effect of spacial nonuniformity of DC magnetic field on AC magnetic field detection with atomic magnetometer Shuji Taue, Masaru Shinohara, Yoshitaka Toyota, Kazuhiro Fujimori, Hideki Fukano (Okayama Univ.) EMCJ2016-85 |
[more] | EMCJ2016-85 pp.7-12 |
| EMCJ | 2015-05-15 15:20 |
Kagawa | Next Kagawa | Investigation of low-frequency electromagnetic wave measurement using spin-polarized alkali metal atoms Takayuki Nagaoka, Shuji Taue, Yoshitaka Toyota, Kazuhiro Fujimori, Hideki Fukano (Okayama Univ.) EMCJ2015-15 |
[more] | EMCJ2015-15 pp.43-48 |
| WPT | 2014-06-06 14:20 |
Tokyo | Univ. of Tokyo | Prototype of GaN schottky diode for a rectenna Teruo Fujiwara, Yuichiro Ozawa, Naohiro Tanaka (IHI AEROSPACE), Masaaki Kuzuhara (Univ. of Fukui), Kazuhiro Fujimori (Okayama Univ.), Shuichi Yagi (POWDEC), Keisuke Naito (NDK), Shoichiro Mihara, Shuji Nakamura (J-spacesystems) WPT2014-26 |
Schottky Barrier Diode based on GaN semiconductor is developing for high effciency 5.8GHz rectenna toward Space Solar Po... [more] | WPT2014-26 pp.11-16 |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-27 14:40 |
Osaka | Osaka Univ. Convention Center | The Conversion efficiency analysis of a shunt form RF-DC conversion circuit with the equivalent circuit parameter of a diode, Teruhiko Wagi, Shoichi Tamaru, Yoshihiro Kondo, Kazuhiro Fujimori, Kenji Tsuruta (Okayama Univ.) PN2011-62 OPE2011-178 LQE2011-164 EST2011-112 MWP2011-80 |
The highly efficient rectenna is needed for the reception device in the wireless power transmission technology and the e... [more] | PN2011-62 OPE2011-178 LQE2011-164 EST2011-112 MWP2011-80 pp.201-206 |
| MW | 2011-12-16 10:45 |
Yamaguchi | Yamaguchi University | Traveling-Wave Power Divider/Combiner With High Isolation among Dividing Units Hiroshi Kawanishi, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (Okayama Univ.) MW2011-135 |
Traveling-wave power divider/combiner's adequate for high power amplifying systems have been investigated. Multiple divi... [more] | MW2011-135 pp.53-58 |
| MW | 2010-12-16 15:55 |
Ishikawa | Kanazawa Inst. of Tech. | Measurement of scattering parameters of devices with waveguide ports and coaxial line ports using unknown "thru" calibration Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (Okayama Univ.) MW2010-126 |
Measurements of scattering parameters of devices with rectangular waveguide ports and coaxial line ports have been inve... [more] | MW2010-126 pp.23-28 |
| MW | 2009-03-06 17:30 |
Tokyo | NHK Science & Technical Research Lab. | [Special Talk]
Briefing Report on European Microwave Conference 2008 Shoichi Narahashi, Kei Satoh, Kunihiro Kawai (NTT DOCOMO), Tetsuo Anada, Chun-Ping Chen (Kanagawa Univ.), Kazuhiro Fujimori (Okayama Univ.), Hiroyuki Takahashi (NTT), Hiroyuki Kayano (Toshiba), Kazuhisa Yamauchi, Masaomi Tsuru (Mitsubishi Electric), Takuo Kashiwa (Furuno Electric) MW2008-209 |
The Microwave week 2008, comprising the European Microwave Conference, European Wireless Technology Conference, European... [more] | MW2008-209 pp.111-122 |
| MW | 2008-12-12 17:30 |
Toyama | Toyama-Univ. Gofuku-camp. | Cylindrical Multiple-Port Power Divider/Combiner With Broadband Coaxial-Conical-Radial Line Transition Hiroyuki Kamata, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (OKayama Univ.) MW2008-162 |
Cylindrical power divider/combiner’s with broadband coaxial-conical-radial line transition have been studied, which have... [more] | MW2008-162 pp.91-96 |
| MW | 2008-08-29 14:25 |
Osaka | Osaka-Univ. (Toyonaka) | Inverse Class-C Operation for Efficient Frequency Doublers Takehiro Kishida, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (Okayama UNIV.) MW2008-99 |
Inverse class-C frequency doubling operation has been discussed for frequency doublers and second harmonic oscillators w... [more] | MW2008-99 pp.113-118 |
| MW | 2007-05-22 10:00 |
Hyogo | University of Hyogo | Input and Output Circuits of an FET for Efficient Generation of Second Harmonic Outputs Takehiro Kishida, Minoru Sanagi (Okayama Univ.), Shingo Takahashi (Mitsubishi Electric), Kazuhiro Fujimori, Shigeji Nogi (Okayama Univ.) MW2007-21 |
In the second harmonic generation with FETs, optimum configuration of input circuits connected to the gate terminal ... [more] |
MW2007-21 pp.49-54 |
| MW | 2006-05-18 13:45 |
Shiga | A study of input networks to gate in second harmonic FET oscillators Shingo Takahashi, Minoru Sanagi (Okayama Uinv.), Nobuaki Neishi (Sharp Takaya Electronics Industry), Takafumi Nakane (Fujitsu Ten Tech.), Kazuhiro Fujimori, Shigeji Nogi (Okayama Uinv.) |
In order to obtain high output power in higher frequency range such as millimeter wave, an input gate network for second... [more] | MW2006-12 pp.1-5 |
|
| MW | 2005-12-16 09:50 |
Hiroshima | An active integrated antenna mixer with RF-IF high conversion efficiency Yusuke Takashina, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (Okayama Univ.) |
In order to realize more miniaturized wireless terminals with multi-function, an active integrated antenna which receive... [more] | MW2005-130 pp.13-18 |
|
| MW | 2005-05-19 14:25 |
Shiga | Rectangular Waveguide Chain Power Divider/Combiner with Isolated Microstrip Line Probe Pairs Keisuke Tanaka, Minoru Sanagi, Kazuhiro Fujimori, Shigeji Nogi (Okayama Univ.) |
The rectangular waveguide chain power divider/combiner with microstrip line probe pairs has been presented. The divider/... [more] | MW2005-18 pp.37-42 |
|
| MW | 2005-05-19 14:50 |
Shiga | Second Harmonic Oscillator with Optimum Fundamental Load Takafumi Nakane, Minoru Sanagi, Shingo Takahashi, Ryu Kamei, Kazuhiro Fujimori, Shigeji Nogi (Okayama Univ.) |
In order to obtain high output power in higher frequency range such as millimeter wave, optimum fundamental load impedan... [more] | MW2005-19 pp.43-48 |
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