Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093764 | Self-illuminating coaxial knob | Yoshihiko Hasegawa, Tadanori Kinoshita | 1992-03-03 |
| 4289971 | Electric power generation equipment incorporating bulb turbine-generator | — | 1981-09-15 |
| 4182123 | Hydraulic power plant | — | 1980-01-08 |