Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936384 | Charge and discharge protection circuit and battery pack with high withstand voltage | Akihiko Fujiwara | 1999-08-10 |
TO
Toshio Ohsugi
Overall (All Time): #3,656,780 of 4,157,543Top 90%
1
Patents All Time