Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692112 | Monolithic ink-jet printhead | Yong-soo Oh, Keon Kuk, Kwang-Joon Yoon, Jae-sik Min, Sang Hyun Lee +4 more | 2004-02-17 |
| 6676844 | Method for manufacturing ink-jet printhead having hemispherical ink chamber | Sang Wook Lee, Yong-soo Oh | 2004-01-13 |