Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8412074 | Charging roller for image forming apparatus and manufacturing method thereof | Young-Sub Shin, Jong-moon Eun, Hee-Won Jung | 2013-04-02 |
DL
Do-kwan Lee
Overall (All Time): #3,153,907 of 4,157,543Top 80%
1
Patents All Time