Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363597 | Method for operating pumps | Katsunori Shirasu | 1982-12-14 |
| 4346304 | Method of controlling operation of Francis type pump turbines | Kaneo Sugishita | 1982-08-24 |
| 4344735 | Method of controlling two-stage hydraulic pump-turbines | — | 1982-08-17 |
| 4318004 | Method of pumping up electric power generation and an apparatus therefor | — | 1982-03-02 |