Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508570 | Valve stem seal | Hiroki Shishido | 2019-12-17 |
| 6036193 | Oil seals and method of making thereof | Hideyuki Furuyama | 2000-03-14 |
| 5915696 | Oil seals and method of making thereof | Hideyuki Furuyama | 1999-06-29 |
| 5759466 | Method of making lip-type oil seals having improved sealing edge | Hideyuki Furuyama | 1998-06-02 |