Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098946 | Promotor for bonding between rubber and steel cord, and rubber composition and rubber product containing the bonding promotor | Tetsuji Kawazura, Kazuyoshi Kayama, Yoshihisa Ogihara | 1992-03-24 |
| 4609499 | Rubber-steel cord adhesion promoter | Yasuyoshi Esashi, Yoshihisa Ogihara | 1986-09-02 |