Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494515 | Process for preparing vulcanized rubber composition, vulcanized rubber composition and studless tire using same | Ryoji Kojima | 2019-12-03 |
| 10189974 | Tire | Ryoji Kojima | 2019-01-29 |