YD

Yoshiyuki Doi

NT NTT: 12 patents #334 of 4,871Top 7%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
NE Ntt Electronics: 5 patents #32 of 358Top 9%
AC Alphatech Co.: 1 patents #2 of 8Top 25%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #180,638 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12184513 Cable connection management system and cable connection management method Yuichi Okabe, Toshishige Shimamura, Yuzo Ishii 2024-12-31
12020559 Tactile presentation device, and tactile presentation method Yuichi Okabe, Toshishige Shimamura, Yuzo Ishii 2024-06-25
11974850 Name tag transmitter, smartware management system, and smartware management method Yuzo Ishii, Toshishige Shimamura, Rena Nakatsuji, Hitoshi Okikawa, Nobutomo Yoshihashi 2024-05-07
11772032 Filter unit quality management system and filter unit quality management method Rei Takei, Hiroyuki Katayama, Toyosei Aota 2023-10-03
9407371 Optical multiplexer/demultiplexer Manabu Oguma, Ikuo Ogawa, Masayuki Itoh, Hiroshi Takahashi 2016-08-02
9036958 Optical component Motohaya Ishii, Naoki Ooba, Kazunori Seno, Ken Tsuzuki, Takao Fukumitsu +5 more 2015-05-19
8965146 Advanced-format optical modulator with low power consumption and low-loss characteristics Takashi Goh, Shinji Mino, Ken Tsuzuki, Hiroshi Yamazaki, Takashi Yamada 2015-02-24
8916946 Optical semiconductor device Yoshifumi Muramoto, Takaharu Ohyama 2014-12-23
8721191 Optical component Motohaya Ishii, Takashi Yamada, Takashi Saida, Ken Tsuzuki, Takashi Goh +8 more 2014-05-13
8704322 Optical semiconductor device Yoshifumi Muramoto, Takaharu Ohyama 2014-04-22
8705900 Optical modulator Takashi Goh, Takashi Yamada, Hiroshi Yamazaki 2014-04-22
8579074 Intake silencer for gas turbine Teruo Kosaka, Yuki KOSAKA, Katsutoshi Okuno 2013-11-12
8545111 Optical module Takaharu Ohyama, Ikuo Ogawa, Akimasa Kaneko, Yasuaki Tamura, Yuichi Suzuki 2013-10-01
8467635 Optical modulator Takashi Yamada, Yohei Sakamaki, Akimasa Kaneko 2013-06-18
7048501 Dust collecting filter, dust collecting device, and air intake device for gas turbine Hiroyuki Katayama, Toyosei Aota, Tatsuo Adachi, Satoshi Hara 2006-05-23
7025802 Filter control method, and filter controlled by the method Kazuya Ushioda, Toyosei Aota 2006-04-11
6602328 Gas turbine suction air filter, a gas turbine using the same and a method for using the same Toyosei Aota, Katsutoshi Okuno, Shigeru Maehata, Kenji Isohasi, Tatsuo Adachi +1 more 2003-08-05
5695315 Apparatus for accurately positioning a printing plate stand 1997-12-09
5534225 Chemical analysis element supplier Yoshihiro Seto 1996-07-09
5518687 Device for taking out chemical analysis film chips from a film cartridge Yoshihiro Seto, Fumio Sugaya, Yoshihiko Abe 1996-05-21
5510082 Chemical analysis film supplier Kenji Arai, Masaaki Terashima 1996-04-23
5327194 Lithographic printing plate printer Keiji Osada, Toshimitsu Ishiwata, Kazuya Fujimoto, Shinichi Yabe, Hiroshi Kawaguchi 1994-07-05
5317610 Device for thermal electric and nuclear power plants Isamu Kita, Masayuki Kobashi, Susumu Tabuchi, Noboru Nakamura, Managu Ishihara +2 more 1994-05-31