Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056591 | Pneumatic tire with tread having ground contact shape and uneven wear sacrificial protrusion | Mie Nonaka | 2011-11-15 |
| D326438 | Automobile tire | Tetsuhito Tsukagoshi, Shinji Murase | 1992-05-26 |