Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301446 | Motorcycle tire | Atsushi Tomura | 1989-06-06 |
| D301327 | Motorcycle tire | Atsushi Tomura | 1989-05-30 |
| 4820823 | Process of producing .alpha.-keto acids | Masato Tanaka, Toshiyasu Sakakura | 1989-04-11 |