Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162441 | Ink-cartridge loading/unloading apparatus | Hae Sung Jung, Ki-Yong Kim, Kwang-Choon Chung, Chang-Soo Yu | 2012-04-24 |
| 7661804 | Ink recharge system and ink recharge method for ink cartridge | Kwang-Choon Chung, Chang-Soo Yu, Hae Sung Jung, Ki-Hun Kang, Ki-Yong Kim +1 more | 2010-02-16 |
| 7571995 | Ink cartridge refill system for inkjet printers and method of refilling ink cartridges using the same | Kwang-Choon Chung, In-Ha Kim, Hyung-Ho Gil, Curtis Rhodes, Young Choul Shin | 2009-08-11 |