Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10658551 | Wavelength-converting film and semiconductor light emitting apparatus having the same | Sung Woo Choi, Jeong Rok Oh, Chul Soo Yoon | 2020-05-19 |
| 10446722 | White light emitting device | Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon | 2019-10-15 |
| 10312419 | White light emitting devices | Jeong Rok Oh, Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon | 2019-06-04 |
| 9200200 | Phosphor, light emitting device, surface light source device, display device and illumination device | Woo Jung Park, Bong-Goo Yun, Won Young Song, Tae-Min Ahn, Chul Soo Yoon | 2015-12-01 |
| 9127204 | Fluorescent substance and method for preparing same | Bong-Goo Yun, Woo Jung Park, Won Young Song, Tae-Min Ahn, Chul Soo Yoon +1 more | 2015-09-08 |
| D582368 | Cellular phone | Yoo Seok Cho, Joung Young Joung | 2008-12-09 |
| D580386 | Cellular phone | Yoo Seok Cho, Joung Young Joung | 2008-11-11 |