Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690965 | Rubber compositions having improved reinforcing properties and low heat build-up | Yasushi Hirata, Hitoshi Kondo, Masaki Ohara | 1987-09-01 |
GY
Goro Yokoyama
Overall (All Time): #3,981,283 of 4,157,543Top 100%
1
Patents All Time