Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D931189 | Tire tread | Kohei Sahashi, Naoyuki SONE | 2021-09-21 |
| D931190 | Tire tread | Kohei Sahashi, Naoyuki SONE | 2021-09-21 |
| 10987976 | Pneumatic tire | Shinsaku Katayama, Masakazu Amano | 2021-04-27 |
| 10960711 | Pneumatic tire | — | 2021-03-30 |