Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303659 | System for preventing adhesion of marine organisms | Liang Yan, Kenji Sato, Akira Nemoto, Yoshiharu Mikami, Nobuo Yamaga +5 more | 2007-12-04 |
| 6579429 | Antifouling system for structure exposed to seawater and heat exchanger | Shigeru Sakurada, Shoji Nakashima, Tadahiko Ooba | 2003-06-17 |
| 6511586 | Marine organism prevention system for structures in seawater | Shoji Nakashima, Shigeru Sakurada, Tadahiko Oba, Hidetoshi Usui, Takahiro Kajiyama | 2003-01-28 |