Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664281 | Piston ring sprayed coating, piston ring, and method for producing piston ring sprayed coating | Kazuhiko Hirota | 2017-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664281 | Piston ring sprayed coating, piston ring, and method for producing piston ring sprayed coating | Kazuhiko Hirota | 2017-05-30 |