Patents by Inventor Oh Hwan Kwon

Oh Hwan Kwon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7879848
    Abstract: Novel compounds exhibiting good inhibitory activity versus Dipeptidyl Peptidase-IV(DPP-IV) include those of the following formula (1) or pharmaceutically acceptable salt thereof: wherein A is a substituted or unsubstituted 1,4,5,7-tetrahydro-pyrazolo[3,4-c]pyridine, 5,6 -dihydro-8H-[1,2,4]triazolo[4,3-a]pyrazine, 4,5-dihydro-7H-isooxazolo[3,4-c]pyridine, 3,4 -dihydroisoquinoline, 5,8-dihydropyrido[3,4-d]pyrimidine, or 6,7 -dihydro[1,3]thiazolo[4,5,c]pyridine, and B is a substituted or unsubstituted piperidin-2-one, morpholin-3-one, oxazolidin-2-one, pyrrolidin-2-one, or 1,5-dihydro-pyrrol-2-one. Methods of preparing the novel inhibitory compounds of formula (1) and pharmaceutical compositions containing the same as an active agent are disclosed.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: February 1, 2011
    Assignee: LG Life Sciences, Ltd.
    Inventors: Chang-Seok Lee, Jong Sung Koh, Ki Dong Koo, Geun Tae Kim, Kyoung-Hee Kim, Sang Yong Hong, Sungsub Kim, Min-Jung Kim, Hyeon Joo Yim, Dongchul Lim, Hye Jin Kim, Hee Oon Han, Seong Cheol Bu, Oh Hwan Kwon, Sung Ho Kim, Gwong-Cheung Hur, Ji Young Kim, Zi-Ho Yeom, Dong-Jun Yeo
  • Publication number: 20080188471
    Abstract: The present invention relates to novel compounds exhibiting good inhibitory activity versus Dipeptidyl Peptidase-IV (DPP-IV), methods of preparing the same and pharmaceutical compositions containing the same as an active agent.
    Type: Application
    Filed: March 30, 2006
    Publication date: August 7, 2008
    Applicant: LG LIFE SCIENCES, LTD.
    Inventors: Chang-Seok Lee, Jong Sung Koh, Ki Dong Koo, Geun Tae Kim, Kyoung-Hee Kim, Sang Yong Hong, Sungsub Kim, Min-Jung Kim, Hyeon Joo Yim, Dongchul Lim, Hye Jin Kim, Hee Oon Han, Seong Cheol Bu, Oh Hwan Kwon, Sung Ho Kim, Gwong-Cheung Hur, Ji Young Kim, Zi-Ho Yeom, Dong-Jun Yeo
  • Publication number: 20030065176
    Abstract: The present invention relates to a compound with aryl-amidines, particularly amidinoaryl-cyclopropanes, amidinoarylmethyl-pyrroles, amidinoaryl-benzenes, amidinoaryl-pyridines, or amindonoaryl-alanines, represented by formula (1), a pharmaceutically acceptable salt, a prodrug, a hydrate, a solvate or an isomer thereof, which are inhibitors of coagulation enzyme, factor Xa (FXa). The present invention also relates to a pharmaceutical composition containing the compound, and a method of using the same as an anticoagulant agent for treatment and prevention of thrombosis disorders.
    Type: Application
    Filed: July 24, 2002
    Publication date: April 3, 2003
    Inventors: Myung-Gyun Kang, Doo-Hee Park, Oh-Hwan Kwon, Eunice Eun-Kyeong Kim, Kwang-Yeon Hwang, Yong-Seok Heo, Tae-Kyo Park, Tae-Hee Lee, Kwang-Yul Moon, Jong-Woo Park, Hye-Kyung Chang, Sang-Koo Lee, Sun-Hwa Lee, Su-Kyung Park, Sung-Hack Lee, Hae-Dong Park