Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530759 | Valve device | — | 2022-12-20 |
| 11268624 | Valve drive device | — | 2022-03-08 |
| 11215390 | Drive device with abnormality detection mechanism and damper device | Takehiko Yazawa | 2022-01-04 |