Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9862158 | Tire manufacturing method | — | 2018-01-09 |
| 9249591 | Seismic isolation structure for equipment, and seismic isolation method | Kikuo Sugita | 2016-02-02 |
| D326438 | Automobile tire | Tetsuhito Tsukagoshi, Naomichi Funato | 1992-05-26 |
| 4995437 | Heavy duty pneumatic radial tires including a bent groove in the side face of the tread | Yasutaka Enoki, Shigeo Makino | 1991-02-26 |