Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949286 | Development cartridge and electrophotographic image forming apparatus using the same | — | 2011-05-24 |
| 7865123 | Developing device, waste toner collecting device and image forming apparatus having the same | Myoung Sub Jang | 2011-01-04 |