Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9738350 | Device for reducing frictional resistance, ship comprising the device, and method of reducing frictional resistance of ship | Shinichi Takano, Chiharu Kawakita, Shinsuke Sato, Mitsuhiro Kawano, Shuji Mizokami +1 more | 2017-08-22 |
| 8424475 | Air bubble recovery device of ship | Chiharu Kawakita, Shinichi Takano | 2013-04-23 |