Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D293562 | Tire | Hitoo Umemoto | 1988-01-05 |
| D293563 | Tire sidewall | Hitoo Umemoto | 1988-01-05 |
| 4336833 | Tubeless pneumatic tires | Masami Shinomiya | 1982-06-29 |
| 4286942 | Apparatus for producing pneumatic tires | Masami Shinomiya | 1981-09-01 |