Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12179523 | Pneumatic radial tire for passenger cars | — | 2024-12-31 |
| 11261314 | Pneumatic tire | Ryoji Kojima, Tsuyoshi Tsuchida | 2022-03-01 |
| 10808082 | Method for kneading a polymer | Ryoji Kojima, Tsuyoshi Tsuchida, Ayaka KITAOU | 2020-10-20 |