Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9760046 | Fixing device and electrophotographic image forming apparatus including the same | Ki Hyuk Lee | 2017-09-12 |
| 9111813 | Etchant, display device and method for manufacturing display device using the same | Hong-Sick Park, Wang Woo Lee, Sang Tae Kim, Joon-Woo LEE, Young-Chul Park +8 more | 2015-08-18 |
| 9048430 | Non-halogenated etchant and method of manufacturing a display substrate using the non-halogenated etchant | Seon-Il Kim, Shin-Il Choi, Ji Young Park, Sang-Gab Kim, O-Byoung Kwon +9 more | 2015-06-02 |
| 8785935 | Etchant, display device and method for manufacturing display device using the same | Hong-Sick Park, Wang Woo Lee, Sang Tae Kim, Joon-Woo LEE, Young-Chul Park +8 more | 2014-07-22 |
| 8617944 | Method of etching a pixel electrode | Byeong-Jin Lee, Hong-sik Park, Sang Tae Kim, Joon-Woo LEE, Young-Chul Park +8 more | 2013-12-31 |
| 8409999 | Etching composition for etching a transparent electrode | Byeong-Jin Lee, Hong-Sick Park, Sang Tae Kim, Joon-Woo LEE, Young-Chul Park +8 more | 2013-04-02 |
| 8383437 | Echtant and method for manufacturing display device using the same | Ji Young Park, Shin-Il Choi, Jong-Hyun Choung, Sang-Gab Kim, Seon-Il Kim +10 more | 2013-02-26 |
| 7968000 | Etchant composition, and method of fabricating metal pattern and thin film transistor array panel using the same | Young-Joo Choi, Bong-Kyun Kim, Byeong-Jin Lee, Jong-Hyun Choung, Sun-Young Hong +10 more | 2011-06-28 |