Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150912 | Red phosphor, white light emitting apparatus, display apparatus, and lighting apparatus | Sung Woo Choi, Sung Hak Jo, Sun Yeol Choi, Chul Soo Yoon, Tae Young Choi | 2018-12-11 |
| 10002992 | Red phosphor, white light emitting device and lighting apparatus | Sung Woo Choi, Chul Soo Yoon | 2018-06-19 |