Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477831 | Fuel injection control device for internal combustion engine | Motonobu Akaki, Yasutoshi Yamada, Nobuyuki Oota, Daisaku Sawada | 1995-12-26 |
| 5425343 | Fuel injection control device for internal combustion engine | Motonobu Akaki, Yasutoshi Yamada, Nobuyuki Oota, Daisaku Sawada | 1995-06-20 |
| 5208505 | Device for driving a piezoelectric element | — | 1993-05-04 |
| 5204576 | Device for driving a piezoelectric element | — | 1993-04-20 |
| 5070848 | Device for controlling a fuel feed pump used for an engine | — | 1991-12-10 |
| 5058549 | Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine | Eiji Hashimoto, Daisaku Sawada, Shizuo Sasaki, Yoshiyuki Tamaki | 1991-10-22 |
| 5057734 | Apparatus for driving piezoelectric element for closing and opening valve member | Naoyuki Tsuzuki, Takeshi Takahashi | 1991-10-15 |
| 5053668 | Apparatus for driving piezoelectric element for closing and opening valve member | — | 1991-10-01 |
| 4974565 | Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine mounted with the fuel injection valve | Eiji Hashimoto, Daisaku Sawada, Shizuo Sasaki, Yoshiyuki Tamaki | 1990-12-04 |
| 4966119 | Fuel injection control device for use in an engine | Naoyuki Tsuzuki | 1990-10-30 |
| 4909440 | Fuel injector for an engine | Eiji Hashimoto | 1990-03-20 |
| 4688536 | Drive circuit for an electrostrictive actuator in a fuel injection valve | Takeshi Takahashi | 1987-08-25 |
| 4589279 | Apparatus and method for detecting intake air mass flow rate | Toshiyuki Takimoto, Keiji Aoki | 1986-05-20 |
| 4416237 | Method and an apparatus for controlling the air-fuel ratio in an internal combustion engine | Keiji Aoki | 1983-11-22 |
| 4412520 | Fuel injection control apparatus | Keiji Aoki, Takayoshi Nakatomi | 1983-11-01 |
| 4259935 | Fuel injection type throttle valve | Noboru Watanabe, Tokuta Inoue | 1981-04-07 |
| 4216753 | Fuel air mixture supply system for use in fuel-injection-type internal combustion engine | Tokuta Inoue, Takatoshi Masui, Shigetaka Takada, Masayuki Okamura | 1980-08-12 |