Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380602 | Electrical appliance powered by an incorporated rechargeable battery | Hirokazu Kato, Masakazu Kita | 1995-01-10 |
| 4777424 | Battery charger | Yoshinobu Sakamura | 1988-10-11 |
| 4559456 | Battery powered electric appliance | Shigeo Yamamoto, Kenzo Shirakawa, Hideji Wataya | 1985-12-17 |