Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749762 | Bubble-jet type ink-jet printhead and manufacturing method thereof | Chang-seung Lee, Kyoung-won Na, Sang Wook Lee, Hyun Cheol KIM | 2004-06-15 |
| 6692112 | Monolithic ink-jet printhead | Hyeon Cheol Kim, Keon Kuk, Kwang-Joon Yoon, Jae-sik Min, Sang Hyun Lee +4 more | 2004-02-17 |
| 6685846 | Bubble-jet type ink-jet printhead, manufacturing method thereof, and ink ejection method | Sang Wook Lee, Hyun Cheol KIM | 2004-02-03 |
| 6676244 | Bubble-jet type inkjet printhead | Myung-jong Kwon, Seog-soon Baek | 2004-01-13 |
| 6676844 | Method for manufacturing ink-jet printhead having hemispherical ink chamber | Sang Wook Lee, Hyeon Cheol Kim | 2004-01-13 |