Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370525 | Rubber compositions | Kei Hirata | 2019-08-06 |
| 10227481 | Rubber composition, vulcanized rubber, and tire | Kei Hirata, Hiroshi Kanbara | 2019-03-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370525 | Rubber compositions | Kei Hirata | 2019-08-06 |
| 10227481 | Rubber composition, vulcanized rubber, and tire | Kei Hirata, Hiroshi Kanbara | 2019-03-12 |