Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168790 | Sliding member and piston ring | Kazuya Kameda, Yuuichi Ishida, Hiroshi Maruyama | 2021-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168790 | Sliding member and piston ring | Kazuya Kameda, Yuuichi Ishida, Hiroshi Maruyama | 2021-11-09 |