Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386427 | Fail-safe device in an electronic control system for an automotive vehicle | — | 1983-05-31 |
| 4370962 | System for producing a pulse signal for controlling an internal combustion engine | — | 1983-02-01 |
| 4363092 | Malfunction preventing system for a microcomputer system | Toshimi Abo | 1982-12-07 |
| 4339801 | Automatic control system for method and apparatus for checking devices of an automotive vehicle in use with a microcomputer | Kazuhiro Higashiyama | 1982-07-13 |
| 4319327 | Load dependent fuel injection control system | Kazuhiro Higashiyama | 1982-03-09 |
| 4313412 | Fuel supply control system | Masaharu Asano | 1982-02-02 |
| 4294216 | Air fuel ratio controlling device | Toshimi Abo | 1981-10-13 |
| 4262251 | Device for measuring rotational angle of rotary member | Takeshi Fujishiro, Toru Kita | 1981-04-14 |
| 4221193 | Fuel injection system for an automotive internal combustion engine equipped with a fuel cut off control signal generator | Mitsuhiko Ezoe | 1980-09-09 |
| 4215656 | Electronic closed loop air-fuel ratio control system for use with internal combustion engine | Nobuzi Manaka, Takeshi Fujishiro, Shigeo Aono, Masaharu Asano, Mituhiko Ezoe | 1980-08-05 |
| 4214558 | Fuel control method and system with a circuit for operating valve in effective working range | Tetsuji Nishioka, Masaharu Asano, Makoto Anzai | 1980-07-29 |
| 4214563 | Exhaust gas temperature detection by injection of time-varying current | — | 1980-07-29 |
| 4203394 | Closed-loop emission control apparatus for internal combustion engine with a circuit for generating offset voltage that cancels error introduced during use | Shigeo Aono | 1980-05-20 |
| 4187812 | Closed loop fuel control with sample-hold operative in response to sensed engine operating parameters | Shigeo Aono | 1980-02-12 |
| 4183335 | Exhaust gas sensor operating temperature detection for fuel mixture control system | Masaharu Asano | 1980-01-15 |
| 4182292 | Closed loop mixture control system with a voltage offset circuit for bipolar exhaust gas sensor | Makoto Anzai | 1980-01-08 |