HS

Hiroshi Sugihara

TC Toyoda Gosei Co.: 10 patents #230 of 2,296Top 15%
KS Kyocera Document Solutions: 6 patents #570 of 1,545Top 40%
Honda Motor Co.: 5 patents #4,418 of 21,052Top 25%
JS Jfe Steel: 3 patents #450 of 1,401Top 35%
Tdk: 3 patents #1,522 of 3,796Top 45%
TA Tdk Electronics Ag: 3 patents #83 of 503Top 20%
NS Nidec Sankyo: 1 patents #191 of 291Top 70%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
SS Sankyo Seiki Seisakusho: 1 patents #122 of 287Top 45%
CC Clarion Co.: 1 patents #397 of 721Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
SC Sankyo Seiki Mfg. Co.: 1 patents #107 of 244Top 45%
📍 Osaka, JP: #107 of 258 inventorsTop 45%
Overall (All Time): #89,686 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6402339 Passenger-cabin lighting device Takao Mukogawa, Osamu Yamanaka, Tadanobu Iwasa 2002-06-11
6402354 Indirect lighting system for vehicle interior Yasumasa Tatewaki, Tadanobu Iwasa, Osamu Yamanaka, Akihiro Misawa, Tetsuo Tanabe +1 more 2002-06-11
6351072 Automotive illuminating apparatus Masanobu Mutoh, Goro Takahashi 2002-02-26
5949346 Light-driven display device Akihiko Suzuki, Makoto Tamaki, Osamu Yamanaka, Tadanobu Iwasa, Hisao Yamaguchi +3 more 1999-09-07
5815072 Vehicle display device Osamu Yamanaka, Makoto Tamaki, Takemasa Yasukawa, Kazushi Noda, Yoshio Sano +1 more 1998-09-29
5554338 Method of preparing composite sintered body Hiroyuki Ishikawa, Tsutomu Uemura, Akira Fujiki, Hiromasa Imazato, Shinichi Umino 1996-09-10
4621008 Magnetic recording medium Yasufumi Takasugi, Osamu Kohmoto, Masaharu Nishimatsu 1986-11-04
4592948 Magnetic recording medium Osamu Kohmoto, Yasufumi Takasugi, Masaharu Nishimatsu 1986-06-03
4537832 Magnetic recording medium Osamu Kohmoto, Yasufumi Takasugi, Masaharu Nishimatsu 1985-08-27
4520076 Magnetic recording medium Seitoku Saito, Toshiaki Izumi, Takayoshi Kobuke 1985-05-28
4387136 Magnetic recording medium and apparatus for preparing the same Seitoku Saito, Fumio Maruta, Toshiaki Izumi 1983-06-07
4343834 Process for preparing magnetic recording medium Seitoku Saito, Toshiaki Izumi, Takayoshi Kobuke, Kazuo Takada 1982-08-10