Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055453 | Stress estimation method for machine structure and monitoring method for machine structure | Jun Mitani, Takanobu Kojima, Masahiko Nakazono | 2024-08-06 |
| 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 |
| 11359596 | Francis-type turbine runner and Francis-type turbine | Masahiko Nakazono, Toshifumi Kurokawa, Ryosuke Shima, Kotaro Tezuka | 2022-06-14 |