Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9272300 | Method and apparatus for manufacturing white light-emitting device | Cheol Jun Yoo, Seong Jae Hong, Tsuyoshi Tsutsui | 2016-03-01 |
| 8796050 | Method and apparatus for manufacturing white light-emitting device | Cheol Jun Yoo, Seong Jae Hong, Tsuyoshi Tsutsui | 2014-08-05 |
| 8753908 | Method of manufacturing semiconductor light emitting device | Tsuyoshi Tsutsui, Seong Jae Hong, Il Woo Park | 2014-06-17 |