Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060707 | Off-the-road heavy duty pneumatic radial tires with sidewall reinforcing layers | — | 1991-10-29 |
| 4385654 | Two main groove-rib type tread pattern | Hisao Seitoh, Masahiro Kuroda | 1983-05-31 |