Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438521 | Hydraulic turbine and stay ring | Yasuyuki Enomoto, Toshiaki Suzuki, Kazuyuki Nakamura | 2008-10-21 |
| 4674953 | Multistage hydraulic machines | — | 1987-06-23 |
| 4514138 | Leakage water discharge method and apparatus in a reversible hydraulic machine | Kentaro Ichikawa, Hitoshi Kido, Yozo Kawase | 1985-04-30 |