Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8008375 | Poly(vinyl chloride) product containing cyclodextrin derivatives with suppression of the migration of plasticizer and manufacturing method thereof | Seung-Yeop Kwak, Sang-Jae Jung | 2011-08-30 |
| 8002391 | Inkjet printhead having piezoelectric actuator and method of driving the piezoelectric actuator | Hwa Sun Lee, Kyo-yeol Lee, Tae Kyung LEE, Chang-youl Moon | 2011-08-23 |
| 7926177 | Method of forming hydrophobic coating layer on surface of nozzle plate of inkjet printhead | Sung-gyu Kang, Kae-dong Back, Seung Mo Lim | 2011-04-19 |
| 7909438 | Piezo-electric type inkjet printhead | Tae Kyung LEE, Sang-kwon Wee, Tae Woon Cha, Jae Chang Lee | 2011-03-22 |
| 7891064 | Piezoelectric inkjet head and method of manufacturing the same | Sung-gyu Kang, Young-ki Hong, Se Young Oh | 2011-02-22 |
| 7883179 | Nozzle plate usable with inkjet printhead | Tae Woon Cha | 2011-02-08 |
| 7883180 | Nozzle plate of inkjet printhead and method of manufacturing the nozzle plate | Tae Woon Cha, Seung Mo Lim, Sung-gyu Kang | 2011-02-08 |
| 7857433 | Inkjet printhead employing piezoelectric actuator and method of manufacturing the inkjet printhead | Hwa Sun Lee, Ji Hoon Kim | 2010-12-28 |
| 7846495 | Method of forming hydrophobic coating layer on surface of nozzle plate of inkjet head | Tae Woon Cha | 2010-12-07 |
| 7832846 | Piezoelectric inkjet printhead | Young-ki Hong | 2010-11-16 |
| 7802874 | Restrictors with structure to prevent back flow and inkjet head having the same | Sang-kwon Wee, Se Young Oh, Mi-jeong Song | 2010-09-28 |
| 7789493 | Method for manufacturing piezoelectric ink-jet printhead | Jae Chang Lee, Seung Mo Lim | 2010-09-07 |
| 7789494 | Inkjet head including plurality of restrictors to restrain crosstalk | Young-ki Hong, Tae Kyung LEE | 2010-09-07 |
| 7735976 | Inkjet printhead using non-aqueous ink | Tae Woon Cha, Tae Kyung LEE | 2010-06-15 |
| 7722166 | Inkjet printhead having piezoelectric actuator and method of driving the piezoelectric actuator | Hwa Sun Lee, Kyu-yeol Lee, Tao-kyung Lee, Chang-youl Moon | 2010-05-25 |
| 7703895 | Piezoelectric inkjet printhead and method of manufacturing the same | Jae Chang Lee, Sung-gyu Kang | 2010-04-27 |
| 7699442 | Piezoelectric inkjet printhead | Seung Mo Lim, Tae Kyung LEE, Chang-youl Moon, Hwa Sun Lee | 2010-04-20 |
| 7695118 | Piezoelectric inkjet printhead and method of manufacturing the same | Jae Chang Lee, Kyo-yool Lee, Chang-seung Lee, Sung-gyu Kang | 2010-04-13 |
| 7682001 | Piezoelectric actuator inkjet head and method of forming the same | Tae Kyung LEE, Kyo-yeol Lee, Hwa Sun Lee, Seung Mo Lim, Jae Chang Lee | 2010-03-23 |
| 7681989 | Piezoelectric actuator for an ink-jet printhead and method of forming the same | Hwa Sun Lee, Seung Mo Lim, Sung-gyu Kang | 2010-03-23 |
| 7677707 | Method of forming thick layer by screen printing and method of forming piezoelectric actuator of inkjet head | Kyo-yeol Lee, Tae-kyun Lee, Hwa Sun Lee, Seung Mo Lim | 2010-03-16 |
| 7603756 | Method of forming piezoelectric actuator of inkjet head | Seung Mo Lim, Kyo-yeol Lee, Hwa Sun Lee, Jae Chang Lee | 2009-10-20 |
| 7588307 | Piezolelectric inkjet printhead having temperature sensor and method of making the same | Young-ki Hong, Tae Gyun Kim | 2009-09-15 |
| 7571975 | Defect detection device of a print head and method of detecting defect of a print head | Hwa Sun Lee, Seung Mo Lim | 2009-08-11 |
| 7497559 | Piezoelectric inkjet printhead and method of manufacturing the same | Su-ho Shin, Sung-gyu Kang, You-seop Lee, Chang-hoon Jung | 2009-03-03 |