Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938322 | Multi-disc damper using viscous fluid | Seiji Sugasawara, Ken Tsuneki, Kazuyoshi Ohshima, Youjirou Nakayama, Tatsuya Hayakawa | 1990-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938322 | Multi-disc damper using viscous fluid | Seiji Sugasawara, Ken Tsuneki, Kazuyoshi Ohshima, Youjirou Nakayama, Tatsuya Hayakawa | 1990-07-03 |