Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447879 | Piston ring | Masayuki Sato, Yuuichi Murayama | 2016-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447879 | Piston ring | Masayuki Sato, Yuuichi Murayama | 2016-09-20 |