Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350809 | Preparation process of chlorinated rubber | Hiroshi Tsuchiya, Makoto Kokura, Yutaka Ozawa | 1994-09-27 |
| 4350723 | Peel-up type adhesives | Yutaka Ozawa, Mari Takahashi | 1982-09-21 |