Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9181957 | Hydraulic machine | Kazuyuki Nakamura, Takanori Nakamura, Akira Shinohara, Kotaro Tezuka | 2015-11-10 |
| 7438521 | Hydraulic turbine and stay ring | Toshiaki Suzuki, Kazuyuki Nakamura, Taizo Inagaki | 2008-10-21 |
| 7198470 | Francis turbine | Kaneo Sugishita, Sadao Kurosawa, Toshiaki Suzuki, Takanori Nakamura | 2007-04-03 |
| 7195459 | Francis turbine | Toshiaki Suzuki, Sadao Kurosawa, Takanori Nakamura | 2007-03-27 |
| 7128534 | Francis turbine | Kaneo Sugishita, Sadao Kurosawa | 2006-10-31 |