Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7412179 | Wet-type electrophotographic image forming apparatus and method for controlling collection of developer | Sang Hun Yoo | 2008-08-12 |
| 7027750 | Warming-up method for electrophotography image forming apparatus using two driving devices | Won-mo Cho | 2006-04-11 |