Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692112 | Monolithic ink-jet printhead | Hyeon Cheol Kim, Yong-soo Oh, Keon Kuk, Kwang-Joon Yoon, Jae-sik Min +4 more | 2004-02-17 |
| 6533399 | Bubble-jet type ink-jet printhead and manufacturing method thereof | Kyoung-won Na, Sang Wook Lee, Hyun Cheol KIM, Yong-soo Oh | 2003-03-18 |