Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909061 | Solar generator for generating direct current power by sunlight and outputting generated power to commercial AC power source | Shigeharu Sasaki, Keigo Onizuka, Hisashi Tokizaki, Koga Kenichi | 1999-06-01 |
| 5878584 | Air conditioner with solar generator | Shigeharu Sasaki, Keigo Onizuka, Hisashi Tokizaki, Kenichi Koga | 1999-03-09 |