Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8603867 | Composition for removing a photoresist and method of manufacturing a thin-film transistor substrate using the composition | Bong-Kyun Kim, Shin-Il Choi, Hong-Sick Park, Wang Woo Lee, Seok Jun JANG +4 more | 2013-12-10 |
| 8163095 | Composition for stripping and stripping method | Ji Sun Lee, Hong-Sick Park, Jong-Hyun Choung, Sun-Young Hong, Bong-Kyun Kim +8 more | 2012-04-24 |
| 8084184 | Composition for removing photoresist and method of manufacturing an array substrate using the same | Jong-Hyun Choung, Hong-Sick Park, Sun-Young Hong, Bong-Kyun Kim, Byeoung-Jin Lee +6 more | 2011-12-27 |
| 8012921 | Composition for stripping photoresist and method for manufacturing thin transistor array panel using the same | Hong-Sick Park, Suk-Il Yoon, Seong Bae Kim, Wy-Yong Kim, Soon-Beom Huh +1 more | 2011-09-06 |
| 7968507 | Composition for stripping and stripping method | Ji Sun Lee, Hong-Sick Park, Jong-Hyun Choung, Sun-Young Hong, Bong-Kyun Kim +8 more | 2011-06-28 |
| 7956393 | Composition for photoresist stripper and method of fabricating thin film transistor array substrate | Jong-Hyun Choung, Bong-Kyun Kim, Hong-Sick Park, Sun-Young Hong, Young-Joo Choi +10 more | 2011-06-07 |
| 7553710 | Composition for stripping photoresist and method for manufacturing thin transistor array panel using the same | Hong-Sick Park, Suk-Il Yoon, Seong Bae Kim, Wy-Yong Kim, Soon-Beom Huh +1 more | 2009-06-30 |
| 7294518 | Composition for stripping photoresist and method for manufacturing thin film transistor array panel using the same | Hong-Sick Park, Suk-Il Yoon, Seong Bae Kim, Wy-Yong Kim, Soon-Beom Huh +1 more | 2007-11-13 |