Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879129 | Rubber compostion and pneumatic tire using the same | Koji Masaki | 2018-01-30 |
| 8580885 | Rubber composition and pneumatic tire using the same | Koji Masaki, Keisuke Kidono | 2013-11-12 |