Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982767 | Piston ring | Hiroshi Shimizu, Takayuki Kondo, Masaaki Fujita | 2021-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982767 | Piston ring | Hiroshi Shimizu, Takayuki Kondo, Masaaki Fujita | 2021-04-20 |