Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9170540 | Image forming apparatus and method to determine an operation start time point of a photoconductor driving unit | Shinichi Hisatomi, Jong Woo Lee, Seok-Hoon Choi | 2015-10-27 |
| 8233814 | Developer supplying apparatus and image forming apparatus having the same | — | 2012-07-31 |
| 8032063 | Developing device and image forming apparatus with the same | — | 2011-10-04 |
| 7702259 | Multi-pass image forming apparatus and image forming method using the same for providing plural print modes with different numbers of passes depending on desired print speed and image quality | Jong-moon Eun, Hisao Okada, Hyun-Cheol Lee, Won-hee Choe, Hyun-wook Bae +2 more | 2010-04-20 |
| 7433617 | Image forming apparatus to control voltage of development unit | — | 2008-10-07 |
| 7214363 | Method for preparing composite microparticles | Man Soo Choi | 2007-05-08 |