Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226987 | Radial tire for heavy load vehicles including a rubber reinforcing layer between belt and tread | Yo Matsumoto, Ryo Muramatsu | 1993-07-13 |
| 4510984 | Pneumatic radial tire having durable bead structure | Katsuji Kishida, Masakazu Onishi, Keijiro Oda | 1985-04-16 |
| 4471828 | Pneumatic radial tire having highly durable bead structure | Katsuji Kishida, Masakazu Onishi, Keijiro Oda | 1984-09-18 |