Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686436 | Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them | Hae Sung Jung, Chang-Soo Yu, Kwang-Choon Chung, In-Ha Kim, Ki-Hun Kang | 2010-03-30 |
| 7571995 | Ink cartridge refill system for inkjet printers and method of refilling ink cartridges using the same | Kwang-Choon Chung, In-Ha Kim, Curtis Rhodes, Jeong-Guck Lee, Young Choul Shin | 2009-08-11 |