Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226987 | Radial tire for heavy load vehicles including a rubber reinforcing layer between belt and tread | Tetsuto Ueno, Ryo Muramatsu | 1993-07-13 |
| 5066702 | Rubber composition for tire treads | Hirofumi Hayashi | 1991-11-19 |