Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9703233 | Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same | Seong-ho Jeong, Sang Jin Park, Jong-won Han | 2017-07-11 |
| 9541859 | Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same | Seong-ho Jeong, Sang Jin Park, Jong-won Han | 2017-01-10 |
| 9465350 | Toner cartridge and electrophotographic image forming apparatus using the same | Ho-jin Jang, Dong Geun Lee, Ji-Won Moon, Seung-Chan Park | 2016-10-11 |
| 9383677 | Image forming apparatus and control method for the same | Jun Hee Lee, Jong-won Han | 2016-07-05 |
| 9285705 | Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same | Seong-ho Jeong, Sang Jin Park, Jong-won Han | 2016-03-15 |
| 9042773 | Electrophotographic image forming apparatus and development cartridge | Hyung-seok Chang, Seong-ho Jeong, Ji-Won Moon, Jong-won Han | 2015-05-26 |
| 8787792 | Process cartridge and image forming apparatus having the same | Jong-In Kim, Gun-soo Chang, Yong Hun Kim, Dong Uk Kim | 2014-07-22 |
| 8391747 | Process cartridge and image forming apparatus having the same | Jong-In Kim, Gun-soo Chang, Yong Hun Kim, Dong Uk Kim | 2013-03-05 |