Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8897673 | Photosensitive drum assembly and process cartridge having the same | Bom-Jin Lee, Jang Soon PARK | 2014-11-25 |
| 8862030 | Driving assembly for photosensitive drum, photosensitive drum assembly, process cartridge, and image forming apparatus | Bum Jin Lee, Jang Soon PARK | 2014-10-14 |
| D706340 | Rotary torque transfer unit | Bum Jin Lee, Jang Soon PARK | 2014-06-03 |
| D667049 | Rotary torque transfer unit for photo-sensitive drum of image forming apparatus | Jang Soon PARK, Bum Jin Lee | 2012-09-11 |