Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292118 | Piston ring | Yushi Abe, Naoki Umeda, Masayuki Ohira | 2025-05-06 |
| 12196325 | Compression ring | Takashi Ozawa, Takashi Oguro | 2025-01-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292118 | Piston ring | Yushi Abe, Naoki Umeda, Masayuki Ohira | 2025-05-06 |
| 12196325 | Compression ring | Takashi Ozawa, Takashi Oguro | 2025-01-14 |