Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9133550 | Etching composition, method of forming a metal pattern using the etching composition, and method of manufacturing a display substrate | In-Bae Kim, Jong-Hyun Choung, Ji Young Park, Seon-Il Kim, Jae Woo Jeong +4 more | 2015-09-15 |
| 9136137 | Etchant composition and methods of fabricating metal wiring and thin film transistor substrate using the same | In-Bae Kim, Jong-Hyun Choung, Youngmin Moon, Hongsick Park, Gyu-Po Kim +4 more | 2015-09-15 |
| 9023735 | Etchant composition and manufacturing method for thin film transistor using the same | Bong-Kyun Kim, Hong-Sick Park, Wang Woo Lee, Young-min Moon, Seung Ho Yoon +4 more | 2015-05-05 |
| 8921230 | Etchant composition, and method of manufacturing a display substrate using the same | Hong-Sick Park, Young Jun Kim, Young Woo Park, Wang Woo Lee, Won-Guk Seo +4 more | 2014-12-30 |
| 8889032 | Metal wire etchant and method of forming metal wire using the same | Jong-Hyun Choung, In-Bae Kim, Seon-II Kim, Hong-Sick Park, Jae Woo Jeong +5 more | 2014-11-18 |
| 8637399 | Etching composition, method of forming a metal pattern and method of manufacturing a display substrate | Hong-Sick Park, Bong-Kyun Kim, Wang Woo Lee, Ki-Beom Lee, Won-Guk Seo +1 more | 2014-01-28 |
| 8377325 | Etchant for metal wiring and method for manufacturing metal wiring using the same | Nam-Seok Suh, Sun-Young Hong, Jong-Hyun Choung, Bong-Kyun Kim, Hong-Sick Park +7 more | 2013-02-19 |
| 8354288 | Etchant and method of manufacturing an array substrate using the same | Bong-Kyun Kim, Jong-Hyun Choung, Byeong-Jin Lee, Sun-Young Hong, Hong-Sick Park +5 more | 2013-01-15 |
| 8262928 | Etchant and method of manufacturing an array substrate using the same | Bong-Kyun Kim, Jong-Hyun Choung, Byeong-Jin Lee, Sun-Young Hong, Hong-Sick Park +5 more | 2012-09-11 |
| 7686968 | Composition for removing conductive materials and manufacturing method of array substrate using the same | Kye Chan Song, Jong-Il Kim, Kyoung-Mook Lee, Hyun-Cheol Shin, Nam-Seo Kim | 2010-03-30 |
| 6887655 | Photoresist removing compositions | Seong Hwan Park, Chang Hwan Lee, Wy-Yong Kim, Suk-Il Yoon | 2005-05-03 |