Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173799 | Oil control ring | Akira Hikone, Noriaki Ayuzawa, Toshihiro Yamaoka, Naoki Umeda | 2024-12-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173799 | Oil control ring | Akira Hikone, Noriaki Ayuzawa, Toshihiro Yamaoka, Naoki Umeda | 2024-12-24 |