Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229158 | Protective layer of ink-jet print head and method of making ink-jet print head having the same | Sung-joon Park, O-hyun Beak, Young-ung Ha | 2007-06-12 |
| 7175257 | Ink-jet printhead with droplet ejecting portion provided in a hydrophobic layer | Byung-ha Park, Seo-hyun Cho, Myung-jong Kwon, Yong-shik Park, Kyong-il Kim | 2007-02-13 |
| 7153633 | Ink-jet printhead and method for manufacturing the same | Seo-hyun Cho, Byung-ha Park, Myung-jong Kwon, Kyong-il Kim, Yong-shik Park | 2006-12-26 |
| 6994422 | Ink-jet printhead and manufacturing method thereof | Byung-ha Park, Seo-hyun Cho, Myung-jong Kwon, Yong-shik Park, Kyong-il Kim | 2006-02-07 |
| 6974208 | Head of inkjet printer and method of manufacturing the same | Sung-joon Park, Seo-hyun Cho, Sang-chul Koh, Tae-Kyun Kim, Myung-song Jung | 2005-12-13 |
| 6964743 | Inkjet printhead and manufacturing method thereof | Myung-song Jung, Sung-joon Park, Seo-hyun Cho | 2005-11-15 |
| 6880919 | Ink-jet printhead and method of manufacturing the same | Seo-hyun Cho, Byung-ha Park, Myung-jong Kwon, Kyong-il Kim, Yong-shik Park | 2005-04-19 |
| 6806108 | Method of manufacturing monolithic ink-jet printhead | Yong-shik Park, Sang Wook Lee, Seo-hyun Cho, Keon Kuk | 2004-10-19 |
| 6702428 | Ink-jet printhead | Sung-joon Park, Seo-hyun Cho, Sang-cheol Ko, Kyong-il Kim, Byung-ha Park +2 more | 2004-03-09 |
| 6692112 | Monolithic ink-jet printhead | Hyeon Cheol Kim, Yong-soo Oh, Keon Kuk, Kwang-Joon Yoon, Sang Hyun Lee +4 more | 2004-02-17 |
| 6663226 | Ink-jet print head and method thereof | Seo-hyun Cho, Sang Wook Lee, Jun-hyub Park, Yong-shik Park, Kyong-il Kim | 2003-12-16 |
| 6595627 | Inkjet printhead and manufacturing method thereof | Myung-song Jung, Sung-joon Park, Seo-hyun Cho | 2003-07-22 |
| 6561626 | Ink-jet print head and method thereof | Seo-hyun Cho, Sang Wook Lee, Jun-hyub Park, Yong-shik Park, Kyong-il Kim | 2003-05-13 |