Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346332 | Piston ring and compressor | Naofumi Kanei, Tomohiro OTSUKA, Hirotaka Ito | 2022-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346332 | Piston ring and compressor | Naofumi Kanei, Tomohiro OTSUKA, Hirotaka Ito | 2022-05-31 |