Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463840 | Electro-photographic image forming apparatus and method for determining a charging voltage | Jin Cheol Kim, Yoo-seok Yang | 2008-12-09 |
JS
Joong-gwang Shi
Overall (All Time): #3,372,401 of 4,157,543Top 85%
1
Patents All Time