Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686816 | Charging control circuit | Kouichi Kunitomo | 1997-11-11 |
TH
Takahiro Hayashi
Overall (1997): #72,583 of 185,788Top 40%
1
Patents 1997