Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9966501 | Light emitting device with high efficiency | Seung Kyu Choi, Hee Sub Lee, Soon-Ho Ahn, Chae Hon Kim | 2018-05-08 |
| 9514926 | Substrate recycling method | Joo Won Choi, Jeong Hun Heo, Su Jin Shin, Choong Min Lee | 2016-12-06 |
| 9450141 | Method for separating growth substrate, method for light-emitting diode, and light-emitting diode manufactured using methods | Jeong Hun Heo, Joo Won Choi, Choong Min Lee, Young-Wug Kim, Su Jin Shin | 2016-09-20 |
| 9287367 | Semiconductor device and method of manufacturing the same | Woo Chul Kwak, Seung Kyu Choi, Chae Hon Kim, Jung Whan Jung, Yong Hyun BAEK +2 more | 2016-03-15 |
| 9048086 | Substrate recycling method | Joo Won Choi, Jeong Hun Heo, Su Jin Shin, Choong Min Lee | 2015-06-02 |