Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8395176 | Top-emitting nitride-based light-emitting device with ohmic characteristics and luminous efficiency | Kyoung-kook Kim, June O Song, Dong-Seok Leem, Jung-inn Sohn | 2013-03-12 |
| 7485897 | Nitride-based light-emitting device having grid cell layer | Kyoung-kook Kim, June O Song, Dong-Seok Leem | 2009-02-03 |