Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8548353 | Developer cartridge | Ge-Ming Ding | 2013-10-01 |
| 7891770 | Separate light-emitting ink cartridge | Yi Zhou | 2011-02-22 |
| D566758 | Ink container | — | 2008-04-15 |
| D562381 | Ink cartridge | — | 2008-02-19 |
| D541853 | Ink container | — | 2007-05-01 |
| 6712996 | Color temperature indicator | Yaomin Xia, Joseph W. Stucki | 2004-03-30 |