Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7622898 | Charging or discharging apparatus for electrically charging or discharging a capacitor storage type power source adapted to store electric energy in electric double layer capacitors | Masaaki Shimizu, Katsuji Mitsui, Masahiko Shimizu, Shinichi Yamamoto, Atsushi Shimizu +2 more | 2009-11-24 |