Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8394512 | Phosphaphenanthrene compounds and organic light emitting diode using the same | Kwang-Choon Chung, Ik-Kyu Park, Ji Hoon Yoo, Ae-Ran Hyun, Yun-Ho Jung | 2013-03-12 |
| 8366958 | Etching solutions | Kwang-Choon Chung, Young-Kwan Seo | 2013-02-05 |
| 8362276 | Beta-sulfone imides and preparation thereof | Kwang-Choon Chung, Myoung-Seon Gong, Yun-Ho Jung | 2013-01-29 |
| 8282860 | Process for preparation of silver nanoparticles, and the compositions of silver ink containing the same | Kwang-Choon Chung, Byung Hun Kim, Su Han Kim, Myung Bong Yoo, Nam-Boo Cho +1 more | 2012-10-09 |
| 8252382 | Aluminum wheel having high gloss | Kwang-Choon Chung, Seong-Yong Uhm | 2012-08-28 |
| 8232549 | Iridium complex containing carbazole-substituted pyridine and phenyl derivatives as main ligand and organic light-emitting diodes containing the same | Kwang-Choon Chung, Jae Wook Lee, Sung Ho Jin, Ji Hoon Yoo, Jung-Hwan Kim | 2012-07-31 |
| 8226755 | Organic silver complexes, their preparation methods and their methods for forming thin layers | Kwang-Choon Chung, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam +2 more | 2012-07-24 |
| 8211453 | Antibacterial composition containing organic silver complexes, antibacterial treatment methods using the same and antibacterial formed article | Kwang-Choon Chung, Eun Jin Park, Young-Kwan Seo, Ju-Jin Choi, Dong-Lib Kim +1 more | 2012-07-03 |
| 7955528 | Conductive inks and manufacturing method thereof | Kwang-Choon Chung, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam +3 more | 2011-06-07 |
| 7875748 | Compound derived from cyclopentadienone, preparation method thereof and EL element using the same | Sung-Hyun JUNG, Seok Jin Park, Seung Eun Lee | 2011-01-25 |
| 7740771 | Methods of determining a composition ratio of an organic white-light-emitting blend material | Young Chul Kim, Tae-Woo Lee, O-Ok Park, Jai Kyeong Kim, Jae-Woong Yu | 2010-06-22 |
| 7691294 | Conductive inks and manufacturing method thereof | Kwang-Choon Chung, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam +3 more | 2010-04-06 |
| 7556867 | Iridium (III) complex with heteroatom linking group and organic electroluminescent device using the same | Seok Chang, Jong-Hyoup Lee, Lyong-Sun Pu, Yi-Yeol Lyu, Young-Hun Byun +2 more | 2009-07-07 |
| 7318964 | Fluorene compounds containing various functional groups, polymers thereof and EL element using the same | Sung-Hyun JUNG, Sang Won Son | 2008-01-15 |
| 7084231 | Polyarylene compounds, polymers thereof, and electroluminescence element using the same | Sung-Hyun JUNG, Seok Jin Park | 2006-08-01 |
| 7001538 | PTC composition and PTC device comprising the same | Yong In Lee, Jong-Hawk Kim | 2006-02-21 |
| 6835468 | Fluorene based polymers and light emitting diodes fabricated with the same as light emitting material | Young Chul Kim, Jae-Min Hong, Jong Bok Kim, Doo Moon, Young Sei Park +1 more | 2004-12-28 |
| 6828362 | PTC composition and PTC device comprising it | Yong In Lee, Jong-Hawk Kim | 2004-12-07 |
| 6800381 | Fluorene compound, polymers thereof having a polyphenylene group, and EL element comprising the same | Sung-Hyun JUNG, Sang Won Son, Jong Bok Kim | 2004-10-05 |
| 6780950 | Pyrrole compounds, polymers thereof and EL element using the same | Sung-Hyun JUNG, Sang Won Son, Jae Hong Won | 2004-08-24 |
| 6716947 | Method for preparing dimethyl dipropargylmalonate polymer containing six-membered ring structure | Youn-Woo Lee, Jong-Sung Lim, Young Jae Hur | 2004-04-06 |
| 6663961 | Process for preparation of polyester-based polymers | Sang Ho Bae, Il Seok Choi | 2003-12-16 |
| 6344286 | Diacetylene-based polymer containing light emitting group and electroluminescent device using the same | Chung Yup Kim, Dong Young Kim, Young Chul Kim, Jae-Min Hong, Jai Kyeong Kim +1 more | 2002-02-05 |
| 6323305 | Process for preparing polyethylene naphthalate based polymers by using NDCA or its derivates | Jae-Min Hong, Hyoung-Wook Lee, Young Chan Ko, Il Seok Choi | 2001-11-27 |
| 6040417 | Process for preparing polyethylene naphthalate based polymers | Jae-Min Hong, Young Chan Ko, Il Seok Choi, Young Jin Heo | 2000-03-21 |