Issued Patents 1982
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348994 | Internal combustion engine | Yukihiro Etoh | 1982-09-14 |
| 4344393 | Internal combustion engine | Yukihiro Etoh, Fukashi Sugasawa, Haruhiko Iizuka | 1982-08-17 |
| 4337740 | Internal combustion engine | Fukashi Sugasawa, Haruhiko Iizuka, Yukihiro Etoh | 1982-07-06 |
| 4335687 | Internal combustion engine | Fukashi Sugasawa, Haruhiko Iizuka, Yukihiro Etoh | 1982-06-22 |
| 4333428 | Internal combustion engine | Yukihiro Etoh | 1982-06-08 |
| 4322628 | Photo-electric coupling device | — | 1982-03-30 |
| 4320726 | Internal combustion engine | Yukihiro Etoh | 1982-03-23 |