Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867294 | Sliding member | Tomoyuki Sato, Yutaka Kitazume | 2024-01-09 |
| 11320049 | Piston ring combination | — | 2022-05-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867294 | Sliding member | Tomoyuki Sato, Yutaka Kitazume | 2024-01-09 |
| 11320049 | Piston ring combination | — | 2022-05-03 |