YM

Yasuo Matsumoto

TL Tokyo Electron Limited: 13 patents #516 of 5,567Top 10%
TK Toshiba Tec Kabushiki Kaisha: 12 patents #244 of 1,664Top 15%
Nissan Motor Co.: 9 patents #795 of 8,689Top 10%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
SC Sumitomo Chemical: 6 patents #802 of 4,033Top 20%
KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
MC Murata Manufacturing Co.: 5 patents #1,480 of 5,295Top 30%
JN Jnc: 2 patents #140 of 413Top 35%
TC Tec Co.: 2 patents #17 of 177Top 10%
CH Chisso: 1 patents #468 of 833Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
📍 Tokyo, CA: #130 of 583 inventorsTop 25%
Overall (All Time): #32,656 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
4938551 Light-scanning reader 1990-07-03
4884087 Photographic film package and method of making the same Mitsuyoshi Mochida, Tokuo Maekawa, Hisashi Takei, Hiroshi Ohmura, Shigeru Sugimoto +3 more 1989-11-28
4875748 Polygon mirror Kazunori Murakami, Tomonori Ikumi, Yasuo Iwafune 1989-10-24
4833495 Lens-fitted photographic film package Hiroshi Ohmura, Shigeru Sugimoto, Seimei Ushiro, Seiji Asano, Toshio Yoshida 1989-05-23
4825229 Method and apparatus for ink jet printing Eric J. Shrader, Patricia O. Cohn 1989-04-25
4759321 Valve timing arrangement for internal combustion engine having multiple inlet valves per cylinder Seinosuke Hara, Hiromichi Ofuji 1988-07-26
4708101 Driving apparatus for intake and exhaust valves of internal combustion engine Seinosuke Hara, Hiromichi Ofuji, Kazuyuki Miisyo, Manabu Kato 1987-11-24
4698754 Error detection of scan-out in a diagnostic circuit of a computer Minoru Koshino 1987-10-06
4647945 Image recording method and its apparatus Gerry B. Andeen, Patricia O. Cohn 1987-03-03
4567861 Engine valve operating system for internal combustion engine Seinosuke Hara, Yutaka Matayoshi 1986-02-04
4539951 Variable valve timing mechanism Seinosuke Hara, Kazuyuki Miisho, Yasuo Yoshikawa 1985-09-10
4362341 Low-noise level internal combustion engine Yoshimasa Hayashi 1982-12-07
4347825 Fuel injection apparatus for an internal combustion engine Suzuo Suzuki, Yasuhiko Nakagawa, Hisamoto Aihara 1982-09-07
4340024 Internal combustion engine Suzuo Suzuki, Yasuhiko Nakagawa, Hisamoto Aihara, Yoji Sato 1982-07-20
4304207 Exhaust gas recirculation system for an internal combustion engine Hisamoto Aihara, Yasuhiko Nakagawa, Suzuo Suzuki 1981-12-08
4220292 Photography film spool Shigemitsu Mizutani, Masao Tsuruta, Kengo ONO 1980-09-02