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Patent applications and USPTO patent grants for Haraguchi; Eiji.The latest application filed is for "variable-speed power generating system".
Patent | Date |
---|---|
Variable-speed power generating system Grant 4,870,339 - Furukawa , et al. September 26, 1 | 1989-09-26 |
Control system for variable speed water-wheel generator apparatus Grant 4,823,018 - Kuwabara , et al. April 18, 1 | 1989-04-18 |
Protecting apparatus for secondary excitation type variable speed AC generator/motor Grant 4,812,729 - Ito , et al. March 14, 1 | 1989-03-14 |
Control apparatus for variable-speed hydraulic power generating system Grant 4,754,156 - Shiozaki , et al. June 28, 1 | 1988-06-28 |
Control system for variable speed hydraulic turbine generator apparatus Grant 4,694,189 - Haraguchi , et al. September 15, 1 | 1987-09-15 |
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