Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338323 | Method for preparing polyamide by anion ring-opening polymerization and polyamide prepared thereby | Jin Seo Lee, Kyung Ho Kwon, Do Kyoung Kim, Hye Yeon LEE, Kyoung Won Yim | 2025-06-24 |
| 12215194 | Method for producing polyamide comprising amide-based molecular weight modifier, and polyamide produced thereby | Kyung Ho Kwon, Jin Seo Lee, Dae Hak Kim, Kyoung Won Yim, Do Kyoung Kim +1 more | 2025-02-04 |
| 11814480 | Method for producing polyamide with controlled activator addition, and polyamide produced thereby | Hye Yeon LEE, Do Kyoung Kim, Jin Seo Lee, Kyung Ho Kwon, Dae Hak Kim +1 more | 2023-11-14 |
| 11718713 | Method for producing polyamide by coordinated anionic ring-opening polymerization, and polyamide produced thereby | Hye Yeon LEE, Dae Hak Kim, Jin Seo Lee, Kyung Ho Kwon, Kyoung Won Yim +1 more | 2023-08-08 |
| 11433639 | Lightweight sandwich steel sheet using polyamide, and manufacturing method therefor | Dae Hak Kim, Jin Seo Lee, Kyoung Won Yim, Kyung Ho Kwon, Do Kyoung Kim +1 more | 2022-09-06 |
| 9738528 | Graphene, method and apparatus for preparing graphene | Jin Seo Lee, Seong Yun Jeon, Jung Ho Kong | 2017-08-22 |
| 9624379 | High-efficiency heat-dissipating paint composition using a carbon material | Seong Cheol Hong, Jin Seo Lee, Joo Hee Han | 2017-04-18 |
| 9611149 | Method and apparatus for modifying graphene | Jin Seo Lee, Seong Yun Jeon, Jung Ho Kong | 2017-04-04 |
| 9567222 | Blending improvement carbon-composite having carbon-nanotube and its continuous manufacturing method and apparatus | Man Woo Jung, Seong Yun Jeon, Seong Cheol Hong, Joo Hee Han, Joo Seok Oh +1 more | 2017-02-14 |
| 9505903 | Resin composition for EMI shielding, comprising carbon hydride composite | Jin Seo Lee, Man Woo Jung, Seong Yun Jeon, Jae Yun Lim | 2016-11-29 |
| 9051179 | Continuous method and apparatus for functionalizing carbon nanotube | Jin Seo Lee, Joo Hee Han, Seong Cheol Hong | 2015-06-09 |
| 9045345 | Apparatus for purifying carbon nanotubes | Joo Hee Han, Jin Seo Lee, Seong Cheol Hong | 2015-06-02 |
| 8187566 | Continuous method and apparatus of functionalizing carbon nanotube | Jin Seo Lee, Joo Hee Han, Seong Cheol Hong | 2012-05-29 |
| 8092775 | Continuous method for purifying carbon nanotube | Joo Hee Han, Jin Seo Lee, Seong Cheol Hong | 2012-01-10 |
| 7998450 | Continuous methods and apparatus of functionalizing carbon nanotube | Joo Hee Han, Jin Seo Lee, Seong Cheol Hong | 2011-08-16 |