Issued Patents All Time
Showing 201–225 of 237 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571683 | Learning control system of air-fuel ratio in electronic control engine | Toshiaki Isobe, Nobuhisa Ohkawa, Takahide Kuma | 1986-02-18 |
| 4562819 | Method and apparatus for controlling fuel supply of an internal combustion engine | Toshiaki Isobe | 1986-01-07 |
| 4561399 | Method of controlling air-fuel ratio | Takashi Hattori | 1985-12-31 |
| 4556033 | Air/fuel ratio feedback control for an internal combustion engine | Toshimitsu Ito | 1985-12-03 |
| 4543634 | Electronic engine control system | Hiroshi Ito, Yoichi Sugiura | 1985-09-24 |
| 4539958 | Method of learn-controlling air-fuel ratio for internal combustion engine | Toshimitsu Ito | 1985-09-10 |
| 4513710 | Engine idling rotational speed control device | Hiroshi Ito, Nobuhisa Ohkawa | 1985-04-30 |
| 4503822 | Electronic engine control system | Hiroshi Ito | 1985-03-12 |
| 4495926 | Apparatus for controlling the fuel supply of an internal combustion engine | Takashi Hattori | 1985-01-29 |
| 4495915 | Fuel injection device for internal combustion engine | Kazuo Shinoda | 1985-01-29 |
| 4491922 | Method and apparatus for controlling stepping motor in idling rotational speed control | Hiroshi Ito | 1985-01-01 |
| 4489696 | Method and apparatus for controlling the fuel-feeding rate of an internal combustion engine | Hiroshi Itoh, Takashi Hattori | 1984-12-25 |
| 4486482 | Vacuum heat insulator | Yoritsune Abe, Katuo Shibata, Yukio Watanabe | 1984-12-04 |
| 4484552 | Engine idling rotational speed control device | Hiroshi Ito, Nobuhisa Ohkawa | 1984-11-27 |
| 4484553 | Engine idling rotational speed control device | Hiroshi Ito, Mamoru Kobashi | 1984-11-27 |
| 4476828 | Method and apparatus for controlling the idling speed of an engine | Hiroshi Ito | 1984-10-16 |
| 4475517 | Air-fuel ratio control method and apparatus for an internal combustion engine | Hiroshi Itoh, Yoichi Sugiura | 1984-10-09 |
| 4469072 | Method and apparatus for controlling the fuel-feeding rate of an internal combustion engine | Hiroshi Itoh | 1984-09-04 |
| 4469073 | Electronic fuel injecting method and device for internal combustion engine | Toshiaki Isobe, Teruo Fukuda | 1984-09-04 |
| 4462360 | Engine idling rotational speed control device | Hiroshi Ito, Takahide Kuma | 1984-07-31 |
| 4462374 | Air-fuel ratio control method and apparatus utilizing an exhaust gas concentration sensor | Hiroshi Itoh | 1984-07-31 |
| 4457283 | Electronically controlled fuel injection system | Toshimitsu Ito | 1984-07-03 |
| 4450808 | Ignition timing control device | Eiichi Moriyama | 1984-05-29 |
| 4440119 | Electronic fuel injecting method and device for internal combustion engine | Toshiaki Isobe | 1984-04-03 |
| 4434760 | Apparatus for controlling the idling speed of an engine | Hiroshi Itoh | 1984-03-06 |