Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555591 | Foam cross-linked with metal salt and process for production | Tsuyoshi Tomosada, Satoshi Sasaki, Hideo Nishiguchi, Hideyuki Nishida | 2003-04-29 |
| 6066682 | Foams and processes for their production | Satoshi Sasaki, Tsuyoshi Tomosada | 2000-05-23 |
| 4710298 | Auxiliary for dewatering of sludge | Yoji Fujiura, Yoichi Hasegawa | 1987-12-01 |
| 4563290 | Water-soluble copolymers useful for enhanced oil recovery | Masashi Okada, Masami Shikata | 1986-01-07 |