RT

Ryoichi Takahashi

KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
Canon: 6 patents #8,497 of 19,416Top 45%
KI Kurita Water Industries: 6 patents #18 of 384Top 5%
ON onsemi: 3 patents #531 of 1,901Top 30%
SA Sanden: 3 patents #149 of 631Top 25%
SC Sanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
TC Toshiba Electron Tubes & Devices Co.: 2 patents #29 of 66Top 45%
MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
ON Onkyo: 1 patents #80 of 170Top 50%
KK Kureha Kagaku Kogyo: 1 patents #332 of 607Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #90,212 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
10759661 Ozone generation apparatus Takaaki Murata, Yuji Okita, Kiyoyuki Amemori, Kie Kubo, Ryutaro MAKISE +1 more 2020-09-01
10421177 Extraction device and retaining device Kazuhiko Noda, Kie Kubo 2019-09-24
10144643 Ozone generation device Kazuhiko Noda, Takaaki Murata, Kie Kubo 2018-12-04
9331628 Motor control circuit Hiroshi Inoue, Masatoshi Komada 2016-05-03
9309118 Ozone generating apparatus Takaaki Murata, Kazuhiko Noda, Kie Kubo 2016-04-12
8791660 Motor control circuit Hiroshi Inoue, Masatoshi Komada 2014-07-29
8755557 Loudspeaker diaphragm and loudspeaker including the loudspeaker diaphragm Takeshi Fujitani, Yushi Ono, Ryosuke Sano 2014-06-17
8582722 Rotary anode X-ray tube Chiharu Tadokoro, Yasutaka Ito, Hitoshi Hattori, Tetsuya Yonezawa, Hironori Nakamuta 2013-11-12
8379358 Motor control circuit Hiroshi Inoue, Masatoshi Komada 2013-02-19
8175974 Portable storage device and transaction machine 2012-05-08
8057214 Method and apparatus for manufacturing plate-like structure Masatoshi Sakurai 2011-11-15
7803304 Method and apparatus for manufacturing plate-like structure Masatoshi Sakurai 2010-09-28
7697665 Rotating anode X-ray tube Tetsuya Yonezawa, Hironori Nakamuta, Yasuo Yoshii, Hitoshi Hattori, Yasutaka Ito 2010-04-13
5469131 Hybrid integrated circuit device Katsumi Okawa, Yusuke Igarashi 1995-11-21
D354304 Electronic copier Masaaki Ishibashi, Takeshi Komada 1995-01-10
5349744 Gradient coil and gradient coil unit for MRI and methods of manufacturing the same 1994-09-27
D338031 Copying machine Yoshie Katada, Eiji Sakaguchi, Yosuke Ohsawa 1993-08-03
D334768 Copying machine Yoshie Katada, Mitsuru Sakurai 1993-04-13
5191736 Cabinet with door seal Katsuyoshi Iino, Shoji Takeuchi 1993-03-09
D329056 Copying machine Atsushi Mizukami, Minoru Aoyama, Mitsuru Sakurai 1992-09-01
5133969 Antimicrobial dispersion composition Ayako Sekikawa, Hideo Sugi, Kenji Tahara 1992-07-28
5082654 Clathrate compound and process for stabilizing diethyltoluamide Hideo Sugi, Kenji Tahara 1992-01-21
5079000 Clathrate composition including essential oils and method of using same Tsuneo Mukai, Shigeyuki Mayama 1992-01-07
5063933 Magnetic resonance imaging apparatus 1991-11-12
5060497 Method of forming asymmetrical articles by rolling Tomoyoshi Sato, Hidehiko Tsukamoto, Kazuo Morimoto, Nobutaka Maeda 1991-10-29