Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407900 | Pearlescent pigment for security purposes including organic or inorganic fluorescent material | Kum-Sung CHO, Kyung-don Nam, Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim +1 more | 2022-08-09 |
| 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, Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim +4 more | 2019-04-16 |
| 9309411 | Nacreous pigment with high chroma and multiple colors and method of preparing the same | Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2016-04-12 |
| 8900660 | Silver coating pigment, and method for producing same | Dong-Min HEO, Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang +2 more | 2014-12-02 |
| 8808447 | Pigment paint for an exterior material having good weather resistance and method for manufacturing same | Nam-Il Lee, Sang Keun Park, Jin Hyung Lee, Kwang-Choong Kang, Byung-Ki Choi +2 more | 2014-08-19 |