Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519317 | Gold pigment with high color strength | Kwang-Soo Lim, Byung-Ki Choi, Jin Hyoung Lee | 2019-12-31 |
| 10285918 | Cosmetic composition | Kum-Sung CHO, Min-Hee Choi, Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim | 2019-05-14 |
| 10259943 | Method for manufacturing plate alpha-alumina pearlescent pigments and nano-metal coating pearlescent pigments with large aspect ratio | Myung-Ho Jung, Kyung-jun Han, Jae-Il Jeong, Kwang-Choong Kang, Byung-Ki Choi +4 more | 2019-04-16 |