Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306602 | Guide vane and fluid machine | Yoshihiro Ishikawa, Hajime Koyama, Yukito Yada | 2022-04-19 |
| 10590904 | Guide vane of hydraulic machinery and hydraulic machine | Madoka Narikawa, Norio Ohtake, Koichi Kubo, Toshifumi Kurokawa, Nobuaki Noda | 2020-03-17 |
| 8944757 | Fluid machine | Naritoshi Nakagawa | 2015-02-03 |