Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958116 | Antifouling coating composition | Akira Saito, Hiroshi Yamashita, Toshimitsu Muramatsu, Yoichi Yonehara | 1999-09-28 |
| 5218059 | Non-toxic antifouling coating composition | Kiyoshi Nanishi, Yoichi Yonehara | 1993-06-08 |