Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990669 | Battery protection circuit and battery device | Kiyoshi Yoshikawa, Atsushi Sakurai, Kazuaki Sano, Yoshihisa Tange | 2011-08-02 |
| 7928694 | Charging and discharging control circuit and charging type power supply device | Kazuaki Sano, Atsushi Sakurai | 2011-04-19 |
| 7923968 | Charge and discharge control circuit and rechargeable power supply device | Kazuaki Sano, Kiyoshi Yoshikawa, Yoshihisa Tange, Atsushi Sakurai | 2011-04-12 |