Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34403 | Hot-wire type air flow meter and an internal combustion engine with the same | Nobukatsu Arai, Yoshihito Sekine, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui | 1993-10-12 |
| 4986115 | Hot-wire air flow meter | Yoshihito Sekine, Nobukatsu Arai, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui | 1991-01-22 |
| 4974445 | Hot wire type of air flow meter and internal combustion engine using the same | Nobukatsu Arai, Yoshihito Sekine, Tetsuo Matsukura, Mitsukuni Tsutsui, Hiroatsu Tokuda +1 more | 1990-12-04 |
| 4887577 | Hot-wire type air flow meter and an internal combustion engine with the same | Nobukatsu Arai, Yoshihito Sekine, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui | 1989-12-19 |
| 4790178 | Intake structure of internal combustion engine with bypass intake passage for mounting air flow meter | Toshifumi Usui, Kinsaku Yamada, Hirotoshi Kawano | 1988-12-13 |
| 4782805 | Control device for throttle valve for internal combustion engine | Hirotoshi Kawano, Shozo Yanagisawa, Toshifumi Usui, Yutaka Takaku | 1988-11-08 |
| 4723443 | Intake air flow sensor | Toshifumi Usui, Shozo Yanagisawa | 1988-02-09 |
| 4532904 | Air-fuel ratio control device for internal combustion engines | Toru Nakagawa, Masamitsu Okumura, Takashige Kohno, Tokihiko Sakuma | 1985-08-06 |
| 4397792 | Throttle valve linkage for use with multi-carburetor assembly | Toshifumi Usui, Takashige Kohno, Tokihiko Sakuma | 1983-08-09 |
| 4333890 | Slow fuel controlling device for carburetor | Kimiji Karino, Masami Nagano, Tokihiko Sakuma, Yuiti Kanazawa, Tunemitu Kuroha +1 more | 1982-06-08 |