Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319621 | Pneumatic radial tire having an improved bead portion reinforcing construction | Kenichi Motomura, Shigeo Watanabe | 1982-03-16 |
| 4258769 | Pneumatic tires for heavy vehicles | Shigeo Makino, Shigeo Watanabe | 1981-03-31 |
| 4215737 | Structure for reinforcing bead sections of radial tires for heavy loads | Kenichi Motomura, Mitsuhisa Yahagi | 1980-08-05 |
| 4185677 | Reinforced construction of bead portions of radial tires for heavy load vehicles | Kenichi Motomura, Mitsuhisa Yahagi | 1980-01-29 |