Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407900 | Pearlescent pigment for security purposes including organic or inorganic fluorescent material | Kum-Sung CHO, Kyung-don Nam, Jae-Il Jeong, Byung-Ki Choi, Kwang-Soo Lim +1 more | 2022-08-09 |
| 11370923 | Black pearlescent pigment using natural charcoal and production method thereof | Kum-Sung CHO, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2022-06-28 |
| 11207264 | Cosmetics composition having improved water absorbability and oil absorbability | Ki-Jung Kim, Sang Hoon Kim, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2021-12-28 |
| 11118060 | Composite white pigment | Jin Hyoung Lee, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2021-09-14 |
| 10836912 | Glossy pigment having hollow structure and method for producing same | Yong Ho Son, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2020-11-17 |
| 10646423 | Cosmetic product having excellent UV-blocking effect and manufacturing method thereof | Ki-Jung Kim, Sang Hoon Kim, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2020-05-12 |
| 10285918 | Cosmetic composition | Kum-Sung CHO, Min-Hee Choi, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 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, Byung-Ki Choi, Kwang-Soo Lim +4 more | 2019-04-16 |
| 9862839 | Pigment having excellent electrical conductivity and corrosion resistance and method for preparing same | Eun-Suk Cho, Kil-Wan Chang, Kwang-Soo Lim, Byung-Ki Choi, Bong Geun Song | 2018-01-09 |
| 9758677 | Plate-like aluminum oxide and preparation method therefor | Kyung-don Nam, Yong Ho Son, Myung-Ho Jung, Byung-Ki Choi, Kwang-Soo Lim +1 more | 2017-09-12 |
| 9629796 | Colored glossy pigment using vegetable type natural dye and method for preparing same | Min-Hee Choi, Kum-Sung CHO, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2017-04-25 |
| 9309411 | Nacreous pigment with high chroma and multiple colors and method of preparing the same | Jae-Il Jeong, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang | 2016-04-12 |
| 8900660 | Silver coating pigment, and method for producing same | Dong-Min HEO, Jae-Il Jeong, 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 | Jae-Il Jeong, Nam-Il Lee, Sang Keun Park, Jin Hyung Lee, Byung-Ki Choi +2 more | 2014-08-19 |
| 8287636 | Pearlescent pigments with large aspect ratio and a method of their preparation | Jung-Min Lee, Jeong Kwon Suh, Byung Ki Park, Dong Uk Choe, Gil Wan Chang +2 more | 2012-10-16 |
| 7993746 | Flaky alpha-alumina crystals with large aspect ratio and a preparation method of the same | Jung-Min Lee, Jeong Kwon Suh, Byung Ki Park, Dong Uk Choe, Gil Wan Chang +2 more | 2011-08-09 |
| 7959894 | Flaky alpha-alumina crystal and a method of its preparation | Jung-Min Lee, Byung Ki Park, Jeong Kwon Suh, Kil-Wan Chang, Kwang Su Lim +1 more | 2011-06-14 |