Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D971176 | Acoustic transducer | Daigaku Kumano, Daizen Kobayashi, Ippei Yamakoshi | 2022-11-29 |
| 11359075 | Rubber composition for a tire tread and pneumatic tire using the same | Hiroki Sugiura | 2022-06-14 |