Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338323 | Method for preparing polyamide by anion ring-opening polymerization and polyamide prepared thereby | Seung Hoe Do, Kyung Ho Kwon, Do Kyoung Kim, Hye Yeon LEE, Kyoung Won Yim | 2025-06-24 |
| 12269921 | Polycarbonate copolymer, method for preparing same, and composition comprising same | Do Kyoung Kim, Do Hyun SEO, Min Jae Jeong, Seung-Hwan Moon | 2025-04-08 |
| 12260606 | Method, apparatus, and program for detecting mark by using image matching | Sang Min Park, Choong Hyun SEO, Seung Ik Kim, Yo Seob Lee | 2025-03-25 |
| 12215194 | Method for producing polyamide comprising amide-based molecular weight modifier, and polyamide produced thereby | Kyung Ho Kwon, Seung Hoe Do, 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, Seung Hoe Do, Kyung Ho Kwon, Dae Hak Kim +1 more | 2023-11-14 |
| 11790476 | Method, apparatus, and program for preventing content from leaking out | Choong Hyun SEO, Sang Min Park, Yo Seob Lee, Seung Ik Kim | 2023-10-17 |
| 11718713 | Method for producing polyamide by coordinated anionic ring-opening polymerization, and polyamide produced thereby | Hye Yeon LEE, Dae Hak Kim, Seung Hoe Do, 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, Seung Hoe Do, Kyoung Won Yim, Kyung Ho Kwon, Do Kyoung Kim +1 more | 2022-09-06 |
| 9814784 | Antibody-linker-drug conjugate, preparation method therefor, and anticancer drug composition containing same | Young-Jun Park, Jin Kyo Jeong, Young Mi Choi, Minseob Lee, Yeon Jung KIM +10 more | 2017-11-14 |
| 9738528 | Graphene, method and apparatus for preparing graphene | Seung Hoe Do, Seong Yun Jeon, Jung Ho Kong | 2017-08-22 |
| 9624379 | High-efficiency heat-dissipating paint composition using a carbon material | Seung Hoe Do, Seong Cheol Hong, Joo Hee Han | 2017-04-18 |
| 9611149 | Method and apparatus for modifying graphene | Seung Hoe Do, 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 | Man Woo Jung, Seung Hoe Do, Seong Yun Jeon, Jae Yun Lim | 2016-11-29 |
| 9425059 | Methods of forming a pattern and methods of manufacturing a semiconductor device using the same | Ji Man Park, Hyo-Jin Yun, Youn-Joung Cho, Jun-Hyun Cho, Jung-Sik Choi | 2016-08-23 |
| 9359383 | β-ketoimine ligand, method of preparing the same, metal complex comprising the same and method of forming thin film using the same | Youn-Joung Cho, Senji Wada, Jung-Sik Choi, Atsushi Sakurai, Kyoo-Chul Cho +5 more | 2016-06-07 |
| 9359382 | β-ketoimine ligand, method of preparing the same, metal complex comprising the same and method of forming thin film using the same | Youn-Joung Cho, Senji Wada, Jung-Sik Choi, Atsushi Sakurai, Kyoo-Chul Cho +5 more | 2016-06-07 |
| 9257540 | Magnetic field effect transistor | Kungwon Rhie, Jin Ki Hong, Tae-Yueb Kim, Sung-Jung Joo, Ku-Youl Jung +2 more | 2016-02-09 |
| 9051179 | Continuous method and apparatus for functionalizing carbon nanotube | Joo Hee Han, Seung Hoe Do, Seong Cheol Hong | 2015-06-09 |
| 9045345 | Apparatus for purifying carbon nanotubes | Joo Hee Han, Seung Hoe Do, Seong Cheol Hong | 2015-06-02 |
| 8237236 | InSb-based switching device | Jin Dong Song, Sung-Jung Joo, Jin Ki Hong, Sang Hoon Shin, Kyung Ho Shin +3 more | 2012-08-07 |
| 8187566 | Continuous method and apparatus of functionalizing carbon nanotube | Joo Hee Han, Seung Hoe Do, Seong Cheol Hong | 2012-05-29 |
| 8092775 | Continuous method for purifying carbon nanotube | Joo Hee Han, Seung Hoe Do, Seong Cheol Hong | 2012-01-10 |
| 7998450 | Continuous methods and apparatus of functionalizing carbon nanotube | Joo Hee Han, Seung Hoe Do, Seong Cheol Hong | 2011-08-16 |
| 7497966 | Chemical mechanical polishing slurry composition for shallow trench isolation process of semiconductor | Ho Seong Nam, Gui Ryong Ahn | 2009-03-03 |