Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-06-14 13:15 |
Tokyo |
Hachijomachi-shoko-kai (Primary: On-site, Secondary: Online) |
Development of W-band Band Pass Filter using 3D printer and plastic plating Kohei Fujiwara, Ryuichi Kobayashi, Satoshi Kuwahara, Shota Takemura, Yuta Watanabe, Kohei Takizawa (TIRI) |
[more] |
|
AP, MW (Joint) |
2022-09-14 15:15 |
Ehime |
The Museum of Art, EHIME (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 |
MW |
2021-05-20 13:05 |
Online |
Online |
Development of waveguide based on 3D printing with plating on plastic technology in V- and D-band Kohei Fujiwara, Ryuichi Kobayashi, Satoshi Kuwahara, Yuta Watanabe, Kohei Takizawa, Shota Takemura (TIRI) MW2021-5 |
In general, a waveguide part is expensive and has a good thermal conductivety because of based on copper alloy. Therefor... [more] |
MW2021-5 pp.1-4 |
PN |
2021-03-02 10:50 |
Online |
Online |
Evaluation of Transmission Performance of Optically and Electrically Superimposed RF and Baseband Signal Transmission for Short-Reach Radio-over-Fiber Systems Ryuichi Kobayashi (UEC), Takamitsu Aiba (YAZAKI Corp.), Motoharu Matsuura (UEC) PN2020-52 |
Analog radio-over-fiber is a practical technology to transmit radio frequency (RF) and baseband signals simultaneously. ... [more] |
PN2020-52 pp.62-65 |
RISING (2nd) |
2019-11-26 10:30 |
Tokyo |
Fukutake Learning Theater, Hongo Campus, Univ. Tokyo |
[Poster Presentation]
Photonic Analog-to-Digital and Digital-to-Analog Conversion Using Semiconductor Optical Amplifiers Takuya Okada, Ryuichi Kobayashi, Wang Rui, Masaki Sagara, Motoharu Matsuura (UEC) |
Frequency chirp is a unique phenomenon in semiconductor optical amplifiers (SOAs), and provides intensity-to-frequency c... [more] |
|
SWIM, KBSE |
2019-05-25 10:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
RIPPLE: Proposal of low latency /load method for distributed, thin client ticketing system. Yuichi Kobayashi, Mizuki Nakayama, Ryousuke Araki, Etsuo Kaneda, Norimasa Okamura (Hitachi) KBSE2019-9 SWIM2019-9 |
Thin client applied station equipment are expected to achieve both existing service replacement and new service realizat... [more] |
KBSE2019-9 SWIM2019-9 pp.57-64 |
OFT |
2019-05-16 14:00 |
Osaka |
I-site NANBA |
[Poster Presentation]
Electrically-Superimposed Analog and Digital Signal Transmission Over Multimode Fibers Ryuichi Kobayashi, Tatsuya Ohtsuki, Takuya Okada (UEC), Takamitsu Aiba (YAZAKI Corp.), Motoharu Matsuura (UEC) OFT2019-5 |
In future mobile networks, the use of wireless signals with a higher frequency will be required. Radio-over-fiber (RoF) ... [more] |
OFT2019-5 pp.21-24 |
OFT |
2019-05-16 14:00 |
Osaka |
I-site NANBA |
[Poster Presentation]
Photonic Digital-to-Analog Conversion Using Frequency Chirp in a Quantum-Dot Semiconductor Optical Amplifier Takuya Okada, Ryuichi Kobayashi, Motoharu Matsuura (UEC) OFT2019-6 |
In this work, we propose a photonic digital-to-analog conversion (PDAC) based on frequency chirp using a SOA and followi... [more] |
OFT2019-6 pp.25-28 |
EMCJ, IEE-EMC |
2018-12-14 14:30 |
Aichi |
|
Study on Electromagnetic Inducted Voltage on Multi-point Grounded Conductor Based on 1/1000 Scale Model Atsushi Nagao, Tetsuo Iezuka, Tetsuya Kaiden, Norihito Hirasawa, Hidenori Itou, Ryuichi Kobayashi (NTT East) EMCJ2018-94 |
Electromagnetic induction between power and telecommunication lines has been studied since early 1900’s [1]-[5], because... [more] |
EMCJ2018-94 pp.63-67 |
EE, CPM |
2014-02-27 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Electrochemical Properties of Lithium Air Secondary Batteries Incorporating Air Electrodes Loaded with RuO2 Catalysts Masahiko Hayashi, Hironobu Minowa, Kaoru Asakura, Katsuya Hayashi, Ryuichi Kobayashi, Hiroto Kitabayashi (NTT) EE2013-50 CPM2013-151 |
[more] |
EE2013-50 CPM2013-151 pp.11-14 |
EE, CPM |
2013-01-24 13:30 |
Kumamoto |
|
Evaluation method for SOFC electrolyte breakdown condition due to anode oxidation Yuri Tahara, Himeko Orui, Kimitaka Watanabe, Satoshi Sugita, Ryuichi Kobayashi (NTT) EE2012-33 CPM2012-155 |
Ni-Zirconia cermet is a common material of solid oxide fuel cell (SOFC) anode. It is normally used under reducing atmosp... [more] |
EE2012-33 CPM2012-155 pp.29-34 |
EE, CPM |
2013-01-24 13:55 |
Kumamoto |
|
Development of Air Electrode Materials for Lithium Air Batteries Masahiko Hayashi, Hironobu Minowa, Katsuya Hayashi, Ryuichi Kobayashi (NTT) EE2012-34 CPM2012-156 |
[more] |
EE2012-34 CPM2012-156 pp.35-39 |
EE, CPM |
2013-01-24 14:20 |
Kumamoto |
|
Electrochemical Properties of an Oxide Material for Sodium Secondary Batteries Yoko Ono, Yuhki Yui, Elly Setiawati, Hironobu Minowa, Masahiko Hayashi, Katsuya Hayashi, Ryuichi Kobayashi (NTT) EE2012-35 CPM2012-157 |
[more] |
EE2012-35 CPM2012-157 pp.41-45 |
CPM, EE |
2012-02-10 15:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Development of manganese-based oxide electrocatalysts for lithium-air batteries Hironobu Minowa, Masahiko Hayashi, Katsuya Hayashi, Ryuichi Kobayashi (NTT) EE2011-57 CPM2011-173 |
Lithium-air batteries are expected as a promising candidate for next-generation-high-energy-density battery. We have re... [more] |
EE2011-57 CPM2011-173 pp.27-32 |
KBSE, SS |
2011-07-30 10:00 |
Hokkaido |
Hokkaido Information University |
Consideration of Migration Method using Program Slicing for Large-Scale Information Control Software Tomoyuki Mochizuki, Yuichi Kobayashi, Akitoshi Shimura, Hiromitsu Kato, Takayuki Takezawa (Hitachi) SS2011-23 KBSE2011-20 |
On large-scale information control system, data access becomes complicated by modifications with longtime use. As a resu... [more] |
SS2011-23 KBSE2011-20 pp.63-68 |
MVE |
2010-03-13 17:50 |
Kanagawa |
Toshiba Science Museum |
Image Processing Method which enhances the subjective impression on surface thickness for Fur and Cloth Yuichi Kobayashi (TOPPAN Printing Co.,ltd.) MVE2009-152 |
Recently, in the field of motion pictures, especially cinema in the U.S., “3D” or “Stereovision” technologies have been ... [more] |
MVE2009-152 pp.147-152 |
EMCJ |
2009-06-05 12:00 |
Tokyo |
Tokyo Big Sight (Tokyo International Exihibition Center) |
Immunity Test of IP Device against Burst Impulsive Noises Naomichi Nakamura, Yoshiharu Akiyama, Yasunao Suzuki, Ryuichi Kobayashi (NTT) EMCJ2009-27 |
The use of IP services is spreading widely with the advent of IP network. These services, especially real-time services ... [more] |
EMCJ2009-27 pp.31-34 |
MVE |
2009-03-25 09:00 |
Shimane |
Shimane University |
The Experimental Study on Image Feature which estimating Material Thickness Based on on Binocular Disparity Yuichi Kobayashi, Hisashi Oguro (TOPPAN Printing Co.,ltd.) MVE2008-111 |
Recently, lot of technologies have been researched to improve reality of visual media such as still images and motion pi... [more] |
MVE2008-111 pp.3-8 |
EMCJ |
2008-11-20 15:45 |
Tokyo |
AIST Tokyo Waterfront |
Electromagnetic Noise Measuring System using Independent Component Analysis Scheme Masao Masugi, Norihito Hirasawa, Ryuichi Kobayashi (NTT Corp.) EMCJ2008-76 |
This report describes an electromagnetic noise measuring system that can separate multiple interfering signals due to cr... [more] |
EMCJ2008-76 pp.11-14 |
EMCJ |
2008-04-25 14:35 |
Tokyo |
NTT Information Sharing Lab. |
Simultaneous measurement method for conducted common-mode voltage and current Ryuichi Kobayashi, Naomichi Nakamura, Kimihiro Tajima (NTT) EMCJ2008-5 |
[more] |
EMCJ2008-5 pp.25-30 |