Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291774 | Gas barrier aluminum deposition film and preparation method thereof | Seung Hun Han, In Seek Chung | 2025-05-06 |
| 11602926 | Biaxial oriented polyester reflection film and manufacturing method thereof | Seung Hun Han, Gi-Jeong Moon | 2023-03-14 |
| 8501807 | Pentaerythritol derivatives | Jae Won You, Chan Woo Lee, Duck Hee Kim, Gae Won Nam, Byoung-Seok Lee +1 more | 2013-08-06 |
| 6780430 | Stabilzation method of nano-sized emulsion using tocopheryl derivatives and external application for skin containing the same | Byung Hee Yoo, Joung Soo Kim, Byung Young Kang, Sang Hoon Han | 2004-08-24 |
| 6521662 | Ceramide-like compounds having antioxidant property and a method for preparation thereof, and a cosmetic composition containing the same | Ho Sik Rho, Duck Hee Kim, Jae Won You, Hak Hee Kang, Ok Sub Lee +3 more | 2003-02-18 |
| 6410752 | Tocopherol derivatives and method for preparation thereof | Duck Hee Kim, Ho Sik Rho, Jae Won You, Chun Ja Nam, Jong Eoun Hong +2 more | 2002-06-25 |
| 6268454 | Amino acid silicon polymer, method for preparing the same, cosmetic particles surface-treated with the same, and cosmetic composition containing the particles | Dong Hyuk Song, Yeong Jin Choi, Young-Chul Lee | 2001-07-31 |