Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577101 | Mechanism for assuring proper loading of battery packs in electronic equipment | Masaki Hanzawa | 2003-06-10 |
| 6521370 | Battery pack, battery loading device, power supplying device and electronic equipment | Masaki Hanzawa | 2003-02-18 |
| 6485861 | Battery pack, battery charger and an electronic device using a battery pack | Tomoyuki Kubotera, Toshio Koyama, Hisashi Aoki | 2002-11-26 |