Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816696 | Variable-speed pumped-storage power generating system | Akihiro Sakayori, Takao Kuwabara, Akira Brando, Yasuteru Oono, Shigeaki Hayashi +1 more | 1989-03-28 |
| 4468167 | Method of operating water-turbine or pump water-turbine | Tooru Osanai | 1984-08-28 |
| 4295781 | Method for operating fluid machines in spinning-in-air mode | Minoru Kawada, Teiji Ashida | 1981-10-20 |