Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439182 | Valve timing adjusting device having stopper piston | Taei Sugiura | 2002-08-27 |
| 6311654 | Valve timing adjusting device | Masayasu Ushida, Osamu Sato, Yasushi Morii | 2001-11-06 |
| 5724928 | Valve timing adjustment device for internal combustion engine | Yasushi Morii, Michio Adachi | 1998-03-10 |