Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642694 | Overcharge protection circuit capable of preventing damage to a charge control switch on flowing an excessive current | Yuji Yamanaka | 2003-11-04 |
| 6518729 | Secondary battery protection circuit capable of reducing time for functional test | Yoshitaka Onishi, Yukihiro Terada | 2003-02-11 |