Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466160 | Method for producing surface-treated carbon black, method for producing rubber wet masterbatch, and method for producing rubber composition | — | 2022-10-11 |
| 10343455 | Method for producing tire member | Ryo Kumamoto | 2019-07-09 |