Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9902817 | Polyvinyl chloride resin and method of preparing the same | Jeong Hwan Ko, Ji Eun Namgoong | 2018-02-27 |
| 9738528 | Graphene, method and apparatus for preparing graphene | Jin Seo Lee, Seung Hoe Do, Seong Yun Jeon | 2017-08-22 |
| 9611149 | Method and apparatus for modifying graphene | Seung Hoe Do, Jin Seo Lee, Seong Yun Jeon | 2017-04-04 |
| 9598519 | Resin for blister package and preparation method thereof | Jeong Hyun Choi, Sin Won KANG, Sang Hyun Cho | 2017-03-21 |
| 8916650 | Vinyl chloride-based copolymer resin and a method of preparing the same | Ji Woo Kim, Jee Hyong Lee, Yong-Kook Jung, Sang Hyun Cho | 2014-12-23 |
| 7290338 | Method and apparatus of manufacturing electric pole | Seung Soo KIM | 2007-11-06 |