Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095743 | Method and apparatus for detecting deterioration of sucked air flow quantity-detecting device of engine | — | 1992-03-17 |
| 5044196 | Method and apparatus for detecting deterioration of a hot-wire type sucked air flow quantity-detecting device for an engine | Hiroshi Okada | 1991-09-03 |
| 5043984 | Method and system for inspecting microprocessor-based unit and/or component thereof | Yukio Hoshino, Masashi Fukushima, Toru Hamada | 1991-08-27 |
| 5014548 | Method and apparatus for detecting deterioration of sucked air flow quantity-detecting device of engine | — | 1991-05-14 |
| 4957083 | Fuel supply control system for internal combustion engine with feature providing engine stability in low engine load condition | Shinpei Nakaniwa | 1990-09-18 |
| 4947816 | Control system for internal combustion engine with improved control characteristics at transition of engine driving condition | Shinpei Nakaniwa | 1990-08-14 |
| 4941448 | Fuel supply control system for internal combustion engine with improved response characteristics to variation of induction air pressure | Shinpei Nakaniwa | 1990-07-17 |
| 4911132 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Shinpei Nakaniwa, Seiichi Otani, Toru Hamada, Masanobu Osaki, Yukio Hoshino | 1990-03-27 |
| 4911131 | Fuel control apparatus for internal combustion engine | Shinpei Nakaniwa, Seiichi Otani, Yukio Hoshino, Syouzi Furuhashi, Tadashi Ariga | 1990-03-27 |
| 4911129 | Air/fuel mixture ratio control system in internal combustion engine with _engine operation range dependent _optimum correction coefficient learning feature | — | 1990-03-27 |
| 4889100 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Shinpei Nakaniwa, Seiichi Otani, Toru Hamada, Masanobu Osaki, Yukio Hoshino | 1989-12-26 |
| 4881505 | Electronic learning control apparatus for internal combustion engine | — | 1989-11-21 |
| 4875456 | Self-diagnosis system for auxiliary air control system of internal combustion engine | — | 1989-10-24 |
| 4854287 | Apparatus for learning and controlling air/fuel ratio in internal combustion engine | — | 1989-08-08 |
| 4850326 | Apparatus for learning and controlling air/fuel ratio in internal combustion engine | — | 1989-07-25 |
| 4844026 | Spark ignition timing control system for internal combustion engine with feature of suppression of jerking during engine acceleration | — | 1989-07-04 |
| 4831987 | Setting device of basic fuel injection amount for an internal combustion engine | Shinpei Nakaniwa, Yukio Hoshino, Seiichi Otani, Tadashi Ariga, Shouji Furuhashi | 1989-05-23 |
| 4817572 | Electronically controlled fuel injection device for an internal combustion engine | Shinpei Nakaniwa, Yukio Hoshino, Seiichi Otani, Tadashi Ariga, Shouji Furuhashi | 1989-04-04 |
| 4800857 | Apparatus for learn-controlling air-fuel ratio for internal combustion engine | — | 1989-01-31 |
| 4763627 | Learning and control apparatus for electronically controlled internal combustion engine | — | 1988-08-16 |
| 4729359 | Learning and control apparatus for electronically controlled internal combustion engine | Yasunari Koshiba | 1988-03-08 |
| 4715344 | Learning and control apparatus for electronically controlled internal combustion engine | — | 1987-12-29 |
| 4655188 | Apparatus for learning control of air-fuel ratio of air-fuel mixture in electronically controlled fuel injection type internal combustion engine | Shoji Furuhashi, Seiichi Otani | 1987-04-07 |
| 4617509 | Voltage regulator for a microcomputer system | — | 1986-10-14 |
| 4615319 | Apparatus for learning control of air-fuel ratio of airfuel mixture in electronically controlled fuel injection type internal combustion engine | — | 1986-10-07 |