Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669994 | Pneumatic radial tires with one-piece molded stiffener having at least two rubber compositions of different hardness | — | 1997-09-23 |
| 5626698 | Pneumatic radial tires with stiffeners composed of three stiffener members | Yasutoshi Aoki | 1997-05-06 |