Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835183 | Method of treating cancerous and precancerous conditions | Isao Yamatsu, Yuichi Inai, Shinya Abe, Takeshi Suzuki, Osamu Tagaya +3 more | 1989-05-30 |
| 4799439 | Double purpose looper for overlocking sewing machine | Osamu Koshinaka | 1989-01-24 |
| 4799440 | Looper changeover device | Osamu Koshinaka, Yoshihide Yoneda | 1989-01-24 |