Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644210 | Charging control method and circuit of recharging battery | — | 1997-07-01 |
YH
Yong-Duk Hwang
Overall (1997): #56,412 of 185,788Top 35%
1
Patents 1997