Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499635 | Gasket and sealing structure | Isao Tanji | 2022-11-15 |
| 11333247 | Metal gasket | Takeshi Watanabe, Isao Tanji, Shinya Nakaoka, Ryoko Saito | 2022-05-17 |
| 11248704 | Metal gasket | Isao Tanji, Takeshi Watanabe | 2022-02-15 |