Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9766540 | Method of forming photomask | Jong-Keun Oh, Inkyun SHIN, Jaehyuck Choi, JunYoul Choi | 2017-09-19 |
| 9223199 | Photomask and method of forming the same | Jong-Keun Oh, Inkyun SHIN, Jaehyuck Choi, JunYoul Choi | 2015-12-29 |
| 7431855 | Apparatus and method for removing photoresist from a substrate | Donggyun Han, Woosung Han, Changki Hong, Sangjun Choi, Hyosan Lee | 2008-10-07 |