Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608809 | Startup method of Francis turbine and Francis turbine | Masahiko Nakazono, Yoshitaka Arihara | 2023-03-21 |
| 11566595 | Francis-type turbine runner and Francis-type turbine | Masahiko Nakazono | 2023-01-31 |