YC

Young-Kil Chang

HC Hanmi Pharm. Co.: 12 patents #13 of 212Top 7%
HC Hanmi Science Co.: 7 patents #11 of 140Top 8%
CI Cheil Industries: 6 patents #162 of 975Top 20%
HC Hanmi Holdings Co.: 2 patents #6 of 59Top 15%
HC Hanmi Pharmaceutical Co.: 1 patents #8 of 30Top 30%
📍 Seoul, KR: #1,817 of 39,741 inventorsTop 5%
Overall (All Time): #132,209 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
8859767 Method for preparing 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)-prop-2-en-1-one hydrochloride and intermediates used therein Keuk Chan Bang, Young Ho Moon 2014-10-14
8853213 Bicyclic compound for modulating G protein-coupled receptors Jung Beom Son, Nam-Du Kim, Hee Cheol Kim, Ji Sook Kim, Young Hee Jung 2014-10-07
8637700 Method for preparing (3S,4S)-4-((R)-2-(benzyloxy)tridecyl)-3-hexyl-2-oxetanone and novel intermediate used therefor Sang Min Yun, Dong Jin Hong, Weon Ki Yang, Jae Ho Yoo, Ji Sook Kim +5 more 2014-01-28
8624026 Method of preparing sitagliptin and intermediates used therein Nam-Du Kim, Ji Yeon Chang, Dong-Jun KIM, Hyun Seung Lee, Jae Hyuk Jung +1 more 2014-01-07
8569490 Intermediate and process for preparing entecavir using same Jaeheon Lee, Gha-Seung Park, Jin-Hee Kim, Ji Eun Lee, Chul Hyun Park +5 more 2013-10-29
8569491 Method for preparing entecavir and intermediate used therein Jae-Heon Lee, Gha-Seung Park, Jin-Hee Kim, Tae Jin CHOI, Ji Eun Lee +5 more 2013-10-29
8426599 Method for preparation of Montelukast acid in ionic liquid medium Chul Hyun Park, Eun Ju Park, Choong-Hahn Kim, Suk Man Jang, Eun Jung Lim +2 more 2013-04-23
8263769 Process for preparing voriconazole Young Ho Moon, Moon Sub Lee, Jae Ho Yoo, Ji Sook Kim, Han Kyong Kim +2 more 2012-09-11
8242288 Method of preparing (6R)-3-hexyl-4-hydroxy-6-undecyl-5, 6-dihydropyran-2-one, and intermediate used in the method Sang Min Yun, Young Ho Moon, Dong Jin Hong, Ji Yeon Chang, Moon Sub Lee +3 more 2012-08-14
8217174 Method of preparing montelukast and intermediates used therein Gwan Sun Lee, Jaeheon Lee, Chul Hyun Park, Eun Ju Park, Jaeho Yoo 2012-07-10
8097706 Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used therein Jaeheon Lee, Gha-Seung Park, Weon Ki Yang, Jin-Hee Kim, Cheol Hyun Park +3 more 2012-01-17
7858761 1-α-halo-2,2-difluoro-2-deoxy-D-ribofuranose derivatives and process for the preparation thereof Jaeheon Lee, Gha-Seung Park, Moonsub Lee, Han Kyong Kim, Hyo-Jeong Bang +1 more 2010-12-28
7799907 Method for the preparation of 2′-deoxy-2′,2′-difluorocytidine Jaeheon Lee, Gha-Seung Park, Moonsub Lee, Hyo-Jeong Bang, Jae Chul Lee +5 more 2010-09-21
7638642 Method for the preparation of D-erythro-2,2-difluoro-2-deoxy-1-oxoribose derivative Jaeheon Lee, Gha-Seung Park, Moonsub Lee, Cheol-Kyong Kim, Jae Chul Lee +1 more 2009-12-29
7202360 Method for preparing risperidone Nam-Du Kim, Jae-Heon Lee, Moon Sub Lee, Gwan Sun Lee 2007-04-10
7157576 Crystalline acid salts of cefdinir and process for preparing cefdinir using same Gwan Sun Lee, Hong Sun Kim, Chul Hyun Park, Gha-Seung Park, Cheol Kyung Kim 2007-01-02
7112672 Process for the selective preparation of 3-(z) propenyl-cephem compound Gwan Sun Lee, Hong Sun Kim, Jae-Heon Lee, Chul Hyun Park, Gha-Seung Park +1 more 2006-09-26
7084274 Method for the selective preparation of 3-oxo-4-aza-5α-androstane compound Young Ho Moon, Kyung Ik Lee, Gha-Seung Park, Chul Hyun Park, Jae-cheol Lee +1 more 2006-08-01
7038050 Method for the preparation of highly pure 1-androstene derivatives Young Ho Moon, Dong-Jun KIM, Chul Hyun Park, Kyung Ik Lee, Jae-cheol Lee +1 more 2006-05-02
6906123 Flameproof styrene-containing graft resin compositions having a particular nitrile content distribution Sang Hyun Hong, Yong-Hae Kweon, Bok Nam Jang, Gyu-Cheol Lee 2005-06-14
6900245 Pharmaceutical composition comprising crystalline sibutramine methanesulfonate hemihydrate Jae-Heon Lee, Gha-Seung Park, Jae-cheol Lee, Han Kyong Kim, Gwan Sun Lee 2005-05-31
6838497 Flame retardant thermoplastic resin composition containing styrene polymer as compatabilizer and oxaphospholane compound as flame retardant Sang Hyun Hong, Bok Nam Jang, Sung Hee Ahn, Jae Ho Yang 2005-01-04
6716900 Flameproof styrene containing graft resin compositions substantially free of phenolic resins and containing styrene/acrylonitrile resin compatabilizer Bok Nam Jang, Se-Jong Kim, Gyu-Cheol Lee 2004-04-06
6653374 Method of preparing flameproof thermoplastic resin composition Bok Nam Jang, Se-Jong Kim, Gyu-Cheol Lee 2003-11-25
6646032 Thermoplastic flameproof resin composition Bok Nam Jang, Se-Jong Kim, Gyu-Cheol Lee, Byeong Do Lee, Jung Hyun Kim 2003-11-11