Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131977 | Data collection system and method | — | 2021-09-28 |
| 10900462 | Guide vane apparatus for water turbine and water turbine equipped with the same | Koichi Kubo, Takahiro Nakashima, Takanori Nakamura, Takuya TOMIOKA, Keita Saito | 2021-01-26 |