Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851659 | Sliding members and a method of preparation thereof | Masaki Ooya, Teruo Imai | 1998-12-22 |
| 5743536 | Piston ring | Masaki Ooya, Teruo Imai | 1998-04-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851659 | Sliding members and a method of preparation thereof | Masaki Ooya, Teruo Imai | 1998-12-22 |
| 5743536 | Piston ring | Masaki Ooya, Teruo Imai | 1998-04-28 |