Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818818 | Method for the preparation of 4'-0-tetrahydropyranyladriamycin b | Hamao Umezawa, Tomio Takeuchi, Kuniaki Tatsuta | 1989-04-04 |
| 4799418 | Vacuum actuator for vehicle speed control | Toshio Nishiyama | 1989-01-24 |