Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4276863 | Apparatus for controlling the number of enabled cylinders of an internal combustion engine upon deceleration | Haruhiko Iizuka, Junichiro Matsumoto | 1981-07-07 |
| 4274373 | Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode | Haruhiko Iizuka, Junichiro Matsumoto | 1981-06-23 |
| 4274382 | Apparatus for performing stepwise reactivation of cylinders of an internal combustion engine upon deceleration | Haruhiko Iizuka, Junichiro Matsumoto | 1981-06-23 |
| 4263782 | Combined split engine and feedback controlled engine operations | Junichiro Matsumoto, Haruhiko Iizuka | 1981-04-28 |
| 4256074 | Control system for closed loop mixture correction and split engine operation | Yukihiro Etoh | 1981-03-17 |
| 4249374 | Split engine control system with exhaust gas recirculation | Haruhiko Iizuka, Junichiro Matsumoto, Yukihiro Etoh | 1981-02-10 |
| 4245471 | Stoichiometric and enrichment mixture control during different split engine modes | Haruhiko Iizuka, Junichiro Matsumoto | 1981-01-20 |
| 4231338 | Internal combustion engine | Haruhiko Iizuka | 1980-11-04 |
| 4224920 | Split engine operation with means for discriminating false indication of engine load reduction | Haruhiko Iizuka, Junichiro Matsumoto, Yukihiro Etoh | 1980-09-30 |
| 4217795 | Engine load detection system for automatic power transmission | Nagayuki Marumo, Haruhiko Iizuka, Junichiro Matsumoto | 1980-08-19 |
| 4207856 | I.C. Engine operable in party-cylinder mode | Noburu Fukasawa, Haruhiko Iizuka, Akitoshi Mumura | 1980-06-17 |
| 4194416 | Control system for hydraulic pressure regulating valve in automatic transmission connected to multi-cylinder I.C. engine with means for operating the engine on selected cylinders of all | — | 1980-03-25 |
| 4194417 | Apparatus for improving fuel economy of multi-cylinder I. C. engine followed by automatic transmission via hydrokinetic unit | Fumiaki Kato, Haruhiko Itzuka, Junichiro Matsumoto | 1980-03-25 |
| 4192278 | Internal combustion engine for motor vehicle | Haruhiko Iizuka, Junichiro Matsumoto, Yukihiro Etoh | 1980-03-11 |