Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D276905 | Vehicle tire | Hiroshi Kojima, Akira Inoue, Yuji Sakamaki | 1984-12-25 |
| D275941 | Vehicle tire | Hiroshi Kojima, Makoto Yamauchi | 1984-10-16 |
| D275661 | Vehicle tire | Kazunari Takaki, Ryotaro Fukushima | 1984-09-25 |
| 4471059 | Carbon-containing refractory | Shigeo Yoshino, Issei Uchida | 1984-09-11 |
| D275472 | Vehicle tire | Kazuyoshi Hisatomi | 1984-09-11 |
| D275274 | Vehicle tire | Hiroshi Kojima, Koujiro Yamaguchi | 1984-08-28 |
| D274051 | Vehicle tire | Shinichiro Ohkuni | 1984-05-29 |
| D273777 | Vehicle tire | Toshio Igarashi | 1984-05-08 |
| D269338 | Vehicle tire | Hiroshi Kojima, Makoto Yamauchi | 1983-06-14 |
| D268491 | Vehicle tire | Hiroshi Kojima, Toshihiko Yashima | 1983-04-05 |
| D266411 | Vehicle tire | Kazunari Takaki | 1982-10-05 |
| D263946 | Vehicle tire | Hiroshi Kojima, Hideki Yokoyama | 1982-04-20 |
| D261256 | Vehicle tire | Naoki Yamazaki, Hiroshi Kojima | 1981-10-13 |