Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484548 | Split type internal combustion engine | Haruhiko Iizuka | 1984-11-27 |
| 4479237 | Automatic sound level control system for audio equipment | — | 1984-10-23 |
| 4467602 | Split engine control system | Haruhiko Iizuka | 1984-08-28 |
| 4425604 | Illuminating device for a display unit | Hiroshi Imai | 1984-01-10 |
| 4411228 | Split type internal combustion engine | — | 1983-10-25 |
| 4391240 | Internal combustion engine | Haruhiko Iizuka | 1983-07-05 |
| 4385600 | Split type internal combustion engine | Haruhiko Iizuka, Yukihiro Etoh, Toshiaki Tanaka | 1983-05-31 |
| 4379387 | Cylinder control system for multicylinder combustion engine | Haruhiko Iizuka | 1983-04-12 |
| 4376426 | Split type internal combustion engine | Haruhiko Iizuka | 1983-03-15 |
| 4368700 | Split type internal combustion engine | Haruhiko Iizuka | 1983-01-18 |
| 4365597 | Split type internal combustion engine | Haruhiko Iizuka | 1982-12-28 |
| 4365598 | Internal combustion engine | — | 1982-12-28 |
| 4357924 | Fuel injection control system | Haruhiko Iizuka | 1982-11-09 |
| 4354471 | Internal combustion engine | Haruhiko Iizuka | 1982-10-19 |
| 4353342 | Fuel injection control system | Haruhiko Iizuka | 1982-10-12 |
| 4345571 | Internal combustion engine | Haruhiko Iizuka | 1982-08-24 |
| 4344393 | Internal combustion engine | Yukihiro Etoh, Toshiaki Tanaka, Haruhiko Iizuka | 1982-08-17 |
| 4337740 | Internal combustion engine | Haruhiko Iizuka, Yukihiro Etoh, Toshiaki Tanaka | 1982-07-06 |
| 4335687 | Internal combustion engine | Haruhiko Iizuka, Yukihiro Etoh, Toshiaki Tanaka | 1982-06-22 |
| 4322642 | Frequency discriminating circuit | — | 1982-03-30 |
| 4313406 | Multi-cylinder internal combustion engine | Haruhiko Iizuka | 1982-02-02 |
| 4308831 | Internal combustion engine | Haruhiko Iizuka | 1982-01-05 |
| 4305365 | Electronic controlled fuel injection system | Haruhiko Iizuka, Junichiro Matsumoto | 1981-12-15 |
| 4296724 | Internal combustion engine | Haruhiko Iizuka | 1981-10-27 |
| 4284056 | Split-type internal combustion engine | — | 1981-08-18 |