Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359596 | Francis-type turbine runner and Francis-type turbine | Takero Mukai, Masahiko Nakazono, Ryosuke Shima, Kotaro Tezuka | 2022-06-14 |
| 10590904 | Guide vane of hydraulic machinery and hydraulic machine | Madoka Narikawa, Hideyuki Kawajiri, Norio Ohtake, Koichi Kubo, Nobuaki Noda | 2020-03-17 |
| 9404470 | Hydraulic machine and method of operating same | Sadao Kurosawa, Takashi Fujita | 2016-08-02 |
| 7682134 | Francis pump-turbine | Kazuyuki Nakamura, Kotaro Tezuka | 2010-03-23 |