Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770622 | Light-emitting element and light-emitting element package comprising same | — | 2020-09-08 |
| 10510925 | Light-emitting device and lighting system comprising same | — | 2019-12-17 |
| 9711682 | Multiple quantum well light emitting device with multi-layer barrier structure | Rak Jun Choi, Jeong Tak Oh | 2017-07-18 |
| 9406838 | Light-emitting device | Seon Ho Lee, Ki Young Song, Rak Jun Choi | 2016-08-02 |
| 8912528 | Method for forming a cleaved facet of semiconductor device | Dong Han Yoo | 2014-12-16 |
| 8871612 | Method for forming a cleaved facet of semiconductor device | Dong Han Yoo | 2014-10-28 |
| 7860289 | Method of dental microscopic procedure | Ben Yoo, Sung Shim, Won Joo Woo | 2010-12-28 |
| 7620228 | Method of dental microscopic procedure | Ben Yoo, Sung Shim, Won Joo Woo | 2009-11-17 |
| 7433505 | Method of dental microscopic procedure | Ben Yoo, Sung Shim, Won Joo Woo | 2008-10-07 |