Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10830942 | Optical fiber with reducing light bias for lighting and manufacturing method of the same | Chan Hee Kang, Byeok Jae Lee | 2020-11-10 |
| 7776411 | Brightness enhancement film for liquid crystal display and manufacturing method thereof | Jong-Dae Park, Jin Sung Choi | 2010-08-17 |
| 7572490 | Brightness enhancement film for liquid crystal display and manufacturing method thereof | Jong-Dae Park, Jin Sung Choi | 2009-08-11 |
| 7459512 | Process for preparing perfluoroalkyl vinyl ether copolymer and copolymer | Do Yoon Kim, Jin Sung Choi, Boris Maximov, Victor Sergeevich Yuminov, Lev Feodorovich Sokolov | 2008-12-02 |
| 7417172 | Perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process | Do Yoon Kim, Jin Sung Choi, Boris Maximov, Victor Sergeevich Yuminov, Lev Feodorovich Sokolov | 2008-08-26 |
| 7336875 | Enhancement of optical and mechanical properties in a polymeric optical element by annealing under a compressed gas | Han Cho, Jin Sung Choi, Sung Hen Cho, Young-Mok Son, Yong-young Park | 2008-02-26 |
| 7311450 | Color optical link using transparently jacketed plastic optical fiber and method for achieving the same | Mu-Gyeom Kim, Jin Sung Choi, Han Cho | 2007-12-25 |
| 6984345 | Cavity-preventing type reactor and a method for fabricating a preform for a plastic optical fiber using the same | Han Cho, Jin Sung Choi, Sung Hen Cho | 2006-01-10 |
| 6563994 | Object with radially-varying properties and apparatus and method of preparing the same | In-Bae Kim | 2003-05-13 |
| 5889067 | Open cell rigid polyurethane foam and method for producing the same and method for making vacuum insulation panel using same | Mi-seon Jang, Seung-Joo Seo | 1999-03-30 |
| 5614564 | Degradable foam and the method for its production | Seung Ho Jeon, Won-Bum Jung, Sung-Ju Seo | 1997-03-25 |