Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742288 | Control system for AC motor/generator of secondary AC excitation type | Osamu Sugimoto, Tadaatsu Kato, Hidenori Sawa, Akio Ito, Hiroshi Sugisaka +1 more | 1988-05-03 |
| 4564493 | Method of manufacturing a casting nozzle brick | Tsuneo Shintani, Soichi Kojima | 1986-01-14 |
| 4245182 | Excitation control apparatus for a generator | Hiroaki Aotsu, Akira Isono, Koichi Kimura, Yasushi Momochi, Takaaki Kai +3 more | 1981-01-13 |