Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280617 | Pneumatic tire and tire molding mold | — | 2025-04-22 |
| 12030270 | Tire molding die and pneumatic tire | — | 2024-07-09 |
| D1005220 | Automobile tire | Yoshifumi Koishikawa, Makoto Ishii | 2023-11-21 |
| 10994574 | Pneumatic tire | — | 2021-05-04 |
| D797651 | Automobile tire | Yoshifumi Koishikawa, Makoto Ishii | 2017-09-19 |
| D789282 | Automobile tire | Yoshifumi Koishikawa, Hiroshi Tokizaki | 2017-06-13 |