Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252405 | Rubber composition for coating steel cords and rubber product using the same | Hiroyuki Kaido, Kazuyoshi Kayama, Tetsuji Kawazura, Hideyuki Oishi, Humiaki Yoneyama | 1993-10-12 |
| 5098946 | Promotor for bonding between rubber and steel cord, and rubber composition and rubber product containing the bonding promotor | Tetsuji Kawazura, Kazuyoshi Kayama, Fumiaki Yoneyama | 1992-03-24 |
| 4609499 | Rubber-steel cord adhesion promoter | Yasuyoshi Esashi, Fumiaki Yoneyama | 1986-09-02 |