Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850336 | Copolymer, rubber composition using same, and tire | Kei Hirata | 2017-12-26 |
| 9732206 | Copolymer, rubber composition using same, and tire | Kei Hirata | 2017-08-15 |
| 9534111 | Rubber composition and tire | Shigenao Kuwahara, Kei Hirata | 2017-01-03 |