Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942187 | Vibration-damping rubber composition | Takashi Kawata, Hideo Katsumata, Kenya Makino | 1990-07-17 |
| 4812525 | Polybutadiene rubber composition | Noboru Oshima, Toshiaki Fukuhori, Tatsuro Hamada, Tatsuo Fujimaki | 1989-03-14 |