Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364849 | One-way damper mechanism | — | 2022-06-21 |
| 7214161 | One-way clutch | — | 2007-05-08 |
| 6931954 | Power transmission device | — | 2005-08-23 |
| 6662683 | Oil cylindrical rotational damper | Shigeru Takahashi | 2003-12-16 |