Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5458077 | Marine fenders | Shinichi Kajigaya, Masahiro Nakamura | 1995-10-17 |
| 5318381 | Collapsible rubber dam | Shunji Mitani, Yoshihiro Sato | 1994-06-07 |
| 5174221 | Mount structure for shock-absorber pads of fender | Chuichi Ariyoshi, Dan Nakamura | 1992-12-29 |
| 4877351 | Apparatus for adjusting a water level of a lock | — | 1989-10-31 |
| 4836713 | Flexible sheet dams | Tateo Muramatsu, Hideaki Saito, Mamoru Takasaki | 1989-06-06 |
| 4662783 | Flexible membraneous weir | Tateo Muramatsu, Hideaki Saito, Kuninori Aramaki | 1987-05-05 |
| 4498810 | Collapsible rubber dam | Tateo Muramatsu, Mamoru Kurihara | 1985-02-12 |