Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881926 | Stepless speed variator of a belt type | Hachiro Aoki, Tadashi Kobayashi, Junya Kuronuma | 1989-11-21 |
| 4855710 | Burglarproof system for automotive vehicles | Hiroshi Ikeuchi | 1989-08-08 |