Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687618 | Flywheel assembly | Koji Kajitani, Hirotaka Fukushima, Mamoru Okubo, Naoki Yanagida, Mitsuhiko Takenaka +1 more | 1997-11-18 |
| 5635486 | Ophthalmic composition comprising a sleep adjusting substance | Takayoshi Hidaka | 1997-06-03 |
| 5595539 | Viscous vibration damping mechanism with variable fluid flow resistance | — | 1997-01-21 |