Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511586 | Marine organism prevention system for structures in seawater | Shoji Nakashima, Shigeru Sakurada, Shuichi Inagaki, Tadahiko Oba, Takahiro Kajiyama | 2003-01-28 |
| 5678953 | Connecting mechanism | Hitoshi Tanaka | 1997-10-21 |