Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823018 | Control system for variable speed water-wheel generator apparatus | Takao Kuwabara, Eiji Haraguchi, Hiroto Nakagawa | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823018 | Control system for variable speed water-wheel generator apparatus | Takao Kuwabara, Eiji Haraguchi, Hiroto Nakagawa | 1989-04-18 |