WC

Won Kook Choi

KT Korea Institute Of Science And Technology: 27 patents #28 of 3,491Top 1%
KG Korea Gas: 2 patents #29 of 119Top 25%
IBM: 1 patents #44,794 of 70,183Top 65%
LG: 1 patents #17,402 of 26,165Top 70%
📍 Seoul, NY: #34 of 112 inventorsTop 35%
Overall (All Time): #122,371 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12396315 Flexible transparent electrode structure having superior light transmittance, water permeation resistance and oxygen permeation resistance, method for preparing the same, and organic optoelectronic device using the same Keun Yong Lim 2025-08-19
11390800 Zinc oxide-based quantum dot aggregate capable of emitting white light Hong Hee KIM, Yeonju LEE 2022-07-19
10407801 Carbon fiber composition including graphene nano-powder and fabrication method for carbon fiber using the same Jae-Kap Lee 2019-09-10
9704610 Manganese tin oxide based transparent conducting oxide and transparent conductive film and method for fabricating transparent conductive film using the same Ji Won Choi, Jin Sang Kim, Haena YIM 2017-07-11
9684100 Anti-reflection nano-coating structure Dong Hee Park, Chang Hwan Wie, Do Kyung Hwang 2017-06-20
9236493 P-type transparent oxide semiconductor, transistor having the same, and manufacture method of the same Young-Jei Oh, Chil-Hyoung Lee, Jeon Kook Lee, Young Soo No 2016-01-12
9145302 Method for producing graphene by chemical exfoliation Dong Hee Park, Byoung Wook Kwon, Dong-Ick Son 2015-09-29
9064778 Method of manufacturing thin film transistor Jung Ah Lim, Yong-Won Song, Jae-Min Hong, Dae Seong Eom 2015-06-23
8288776 Hybrid electric device using piezoelectric polymer substrate Sang Yub Ie, Dong Hee Park, Ji Hwan Kim, Dong Soo Lee, In Seok Park +1 more 2012-10-16
8030237 Dielectric thin film composition showing linear dielectric properties Ji Won Choi, Seok Jin Yoon 2011-10-04
7709824 AC-driven light emitting device having single active layer structure and manufacturing method thereof Dong Hee Park, Sang Yub Ie, Dong-Ick Son, Ji Won Choi 2010-05-04
7544631 C and N-doped titaniumoxide-based photocatalytic and self-cleaning thin films and the process for production thereof Yeon Sik Jung, Dong Heon Kang, Kyung Ju Lee 2009-06-09
7178584 Plasma polymerization enhancement of surface of metal for use in refrigerating and air conditioning Seok-Keun Koh, Hyung Jin Jung, Byung Ha Kang, Ki Hwan Kim, Sam-Chul Ha +2 more 2007-02-20
6841789 Apparatus for surface modification of polymer, metal and ceramic materials using ion beam Seok-Keun Koh, Hyung Jin Jung, Jung-Il Cho 2005-01-11
6821679 Fabrication method of LiCoO2 nano powder by surface modification of precursor Young-Soo Yoon, Ho-Young Park 2004-11-23
6805974 Lead-free tin-silver-copper alloy solder composition Charles C. Goldsmith, Timothy A. Gosselin, Donald W. Henderson, Sung Kwon Kang, Karl J. Puttlitz +1 more 2004-10-19
6699371 Fabrication method of blue light emitting ZnO thin film phosphor Hyung Jin Jung 2004-03-02
6358378 Method for fabricating ZnO thin film for ultraviolet detection and emission source operated at room temperature, and apparatus therefor Hyung Jin Jung, Kyeong Kook Kim, Young-Soo Yoon, Jong-Han Song 2002-03-19
6319326 Apparatus for surface modification of polymer, metal and ceramic materials using ion beam Seok-Keun Koh, Hyung Jin Jung, Jung-Il Cho 2001-11-20
6300641 Process for modifying surfaces of materials, and materials having surfaces modified thereby Seok-Keun Koh, Hyung Jin Jung, Kyong Sop Han, Sik Sang Gam 2001-10-09
6264709 Method for making electrical and electronic devices with vertically integrated and interconnected thin-film type battery Young-Soo Yoon, Hyung Jin Jung, Seok Jin Yoon 2001-07-24
6162512 Process for modifying surfaces of nitride, and nitride having surfaces modified thereby Seok-Keun Koh, Hyung Jin Jung, Yong Bai Son 2000-12-19
6162513 Method for modifying metal surface Seok-Keun Koh, Hyung Jin Jung, Byung Ha Kang 2000-12-19
6099917 Pretreatment method for a substrate surface using ion beam radiation and nitride thin film forming method using thereof Seok-Keun Koh, Hyung Jin Jung, Dong Hwa Kum, DongJin Byun 2000-08-08
6059937 Sensor having tin oxide thin film for detecting methane gas and propane gas, and process for manufacturing thereof Seok-Keun Koh, Hyung Jin Jung, Seok-Kyun Song, DongSoo Choi, Jin-Seok Jeon 2000-05-09