Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9178117 | Light emitting device having interstitial elements in grain boundaries of barrier layer | — | 2015-11-03 |
| 7377984 | Method for cleaning a photomask | Yong Dae Kim, Jong Min Kim, Hyun Joon Cho, Sang Soo Choi | 2008-05-27 |
| 7186301 | Device and method for cleaning photomask | Yong Dae Kim, Jong Min Kim, Hyun Joon Cho, Sang Soo Choi | 2007-03-06 |