Patents by Inventor Sung June Yoon

Sung June Yoon 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).

  • Publication number: 20240143927
    Abstract: Provided are a method for generating a summary and a system therefor. The method according to some embodiments may include calculating a likelihood loss for a summary model using a first text sample and a first summary sentence corresponding to the first text sample, calculating an unlikelihood loss for the summary model using a second text sample and the first summary sentence, the second text sample being a negative sample generated from the first text sample, and updating the summary model based on the likelihood loss and the unlikelihood loss.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Applicants: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sung Roh YOON, Bong Kyu HWANG, Ju Dong KIM, Jae Woong YUN, Hyun Jae LEE, Hyun Jin CHOI, Jong Yoon SONG, Noh II PARK, Seong Ho JOE, Young June GWON
  • Patent number: 6762189
    Abstract: The present invention relates to novel 5-pyrimidinecarboxamide derivatives and the pharmaceutical compositions containing said derivatives, and more specifically, to 5-pyrimidinecarboxamide derivatives and their pharmacutically able salts, the process for preparing them, and the pharmaceutical compositions containing said compounds as active ingredients. In particular, said 5-pyrimidinecarboxamide derivatives of the present invention, due to their inhibitory activity against the proliferation of human immunodeficiency virus (HIV) as well as hepatitis B virus (HBV), can be used as a therapeutic agent as well as a preventive agent for hepatitis B and acquired immune deficiency syndrome (AIDS).
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: July 13, 2004
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Sang Wook Lee, Nam Doo Kim, Yong Kyun Park, Geun Hyung Lee, Jong Woo Kim, Sang Jin Park, Hee Jeoung Park, Hwan Bong Jang
  • Patent number: 6753430
    Abstract: The present invention relates to optically active quinoline carboxylic acid derivatives, their pharmaceutically acceptable salts, their solvates, and a process for the preparation thereof. More specifically, the present invention relates to optically active quinoline carboxylic acid derivatives containing 4-aminomethyl-4methyl-3-(Z)-alkoxyiminopyrrolidine substituents causing optical activity at the 7-position of the quinolone nuclei. As the compounds of the present invention have superior antibacterial activity and pharmacokinetic profiles to their enantiomers, their racemates and conventional antibacterial agents, with nearly no phototoxicity, the compounds of this invention are useful for antibacterial agents.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: June 22, 2004
    Assignee: Dong Wha Pharm. Ind. Co., Ltd
    Inventors: Sung June Yoon, Yong Ho Chung, Chi Woo Lee, Jin Soo Lee, Nam Doo Kim, Yoon Ho Jin, Wan Jin Song, Ik Hoe Kim, Wang Yong Yang, Dong Rack Choi, Jung Han Shin
  • Patent number: 6743795
    Abstract: The present invention relates to novel 3-nitropyridine derivatives, pharmaceutically acceptable salts thereof and pharmaceutical compositions containing the same as active ingredients. Methods of preparing the derivatives and pharmaceutical compositions containing the same are also disclosed. The 3-nitropyridine derivatives of the present invention, due to their inhibitory activity against the proliferation of human immunodeficiency virus (HIV) as well as hepatitis B virus (HBV), can be used as therapeutic agents as well as preventive agents for hepatitis B and acquired immune deficiency syndrome (AIDS).
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: June 1, 2004
    Assignee: Dong Wha Pharm. Ind. Co. Ltd.
    Inventors: Sung June Yoon, Sang Wook Lee, Nam Doo Kim, Yong Kyun Park, Geun Hyung Lee, Jong Woo Kim, Sang Jin Park, Hee Jeoung Park, Dong Hyuk Shin
  • Publication number: 20040029915
    Abstract: The present invention relates to optically active quinoline carboxylic acid derivatives, their pharmaceutically acceptable salts, their solvates, and a process for the preparation thereof. More specifically, the present invention relates to optically active)quinoline carboxylic acid derivatives containing 4-aminomethyl-4-methyl-3-(Z)-alkoxyiminopyrrolidine substituents causing optical activity at the 7-position of the quinolone nuclei. As the compounds of the present invention have superior antibacterial activity and pharmacokinetic profiles to their enantiomers, their racemates and conventional antibacterial agents, with nearly no phototoxicity, the compounds of this invention are useful for antibacterial agents.
    Type: Application
    Filed: June 20, 2003
    Publication date: February 12, 2004
    Inventors: Sung June Yoon, Yong Ho Chung, Chi Woo Lee, Jin Soo Lee, Nam Doo Kim, Yoon Ho Jin, Wan Jin Song, Ik Hoe Kim, Wang Yong Yang, Dong Rack Choi, Jung Han Shin
  • Patent number: 6649763
    Abstract: The present invention relates to optically active quinoline carboxylic acid derivatives, their pharmaceutically acceptable salts, their solvates, and a process for the preparation thereof. More specifically, the present invention relates to optically active quinoline carboxylic acid derivatives containing 4-aminomethyl-4-methyl-3-(Z)-alkoxyirninopyrrolidine substituents causing optical activity at the 7-position of the quinolone nuclei. As the compounds of the present invention have superior antibacterial activity and pharmacokinetic profiles to their enantiomers, their racemates and conventional antibacterial agents, with nearly no phototoxicity, the compounds of this invention are useful for antibacterial agents.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: November 18, 2003
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Yong Ho Chung, Chi Woo Lee, Jin Soo Lee, Nam Doo Kim, Yoon Ho Jin, Wan Jin Song, Ik Hoe Kim, Wang Yong Yang, Dong Rack Choi, Jung Han Shin
  • Patent number: 6608058
    Abstract: The present invention relates to novel 6-methylnicotinamide derivatives and their pharmaceutically acceptable salts, the process for preparing them, and the pharmaceutical compositions containing said compounds as active ingredients. The 6-methylnicotinamide derivatives of the present invention exhibit their inhibitory activity against the proliferation of human immunodeficiency virus (HIV) as well as hepatitis B virus (HBV) and hepatitis C virus (HCV), such that they can be used for hepatitis B, hepatitis C and acquired immune deficiency syndrome (AIDS).
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: August 19, 2003
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung-June Yoon, Sang-Wook Lee, Jin-Soo Lee, Nam-Doo Kim, Geun-Hyung Lee, Hak-Dong Lee, Jong-Woo Kim, Sang-Jin Park, Hee-Jeong Park
  • Publication number: 20030092709
    Abstract: The present invention relates to novel 6-methylnicotinamide derivatives and their pharmaceutically acceptable salts, the process for preparing them, and the pharmaceutical compositions containing said compounds as active ingredients. The 6-methylnicotinamide derivatives of the present invention exhibit their inhibitory activity against the proliferation of human immunodeficiency virus (HIV) as well as hepatitis B virus (HBV) and Hepatitis C virus (HCV), such that they can be used for hepatitis B, hepatitis C and acquired immune deficiency syndrome (AIDS).
    Type: Application
    Filed: October 10, 2002
    Publication date: May 15, 2003
    Inventors: Sung-June Yoon, Sang-Wook Lee, Jin-Soo Lee, Nam-Doo Kim, Geun-Hyung Lee, Hak-Dong Lee, Jong-Woo Kim, Sang-Jin Park, Hee-Jeong Park
  • Patent number: 6488954
    Abstract: The present invention relates to a liquid suppository composition comprising diclofenac sodium, poloxamer and at least one polymer select from the group consisting of polyethylene oxide and polyvinylpyrrolidone. The composition provides the advantages of. (1) a feel of foreign matter or discomfort does not occur when the composition is rectally administered; and (2) administration is easy and after rectal administration, the composition is neither leaked out from the anus nor shifted into the end of large intestine.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: December 3, 2002
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Jei Man Ryu, Jae Hee Jung, Su Jin Cho
  • Patent number: 6150390
    Abstract: The present invention relates to a novel 3-amino-1,2-benzoisoxazole derivatives, represented by Formula I, LTB-4[leukotriene-B-4; 5(S),12(R)-dihydroxy-6,14-cis-8,10-trans-eicosatetraenoic acid] receptor antagonist, process for preparation thereof, and use thereof for LTB-4 receptor antagonist or therapeutics for osteoporosis. ##STR1## (in which n is integer of 3-5).
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: November 21, 2000
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Hong-Suk Suh, Jae-Ha Ryu, Yong-Nam Han, Sung-June Yoon, Jong-Woo Kim
  • Patent number: 6071734
    Abstract: The present invention relates to hepatitis B virus (hereinafter it refers to HBV) polymerase containing a histidine tag, RNase H enzyme derived from HBV polymerase and processes for preparation thereof. More particularly, the present invention relates to recombinant HBV polymerase, its RNase H domain with enzyme activity, expression vectors producing the enzymes in E. coli and processes for preparing the HBV polymerase and the RNase H enzyme which can be easily purified due to their histidine tags. And the present invention relates to uses of the HBV polymerase and the RNase H enzyme for screening antiviral agents.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: June 6, 2000
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung-June Yoon, Jong-Woo Kim, Yong Huh, Hyune-Mo Rho, Gu-Hung Jung
  • Patent number: 5968781
    Abstract: The present invention relates to hepatitis B virus (hereinafter it refers to HBV) polymerase containing a histidine tag, RNase H enzyme derived from HBV polymerase and processes for preparation thereof.More particularly, the present invention relates to recombinant HBV polymerase, its RNase H domain with enzyme activity, expression vectors producing the enzymes in E. coli and processes for preparing the HBV polymerase and the RNase H enzyme which can be easily purified due to their histidine tags.And the present invention relates to uses of the HBV polymerase and the RNase H enzyme for screening antiviral agents.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: October 19, 1999
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung-June Yoon, Jong-Woo Kim, Yong Huh, Hyune-Mo Rho, Gu-Hung Jung
  • Patent number: 5932742
    Abstract: The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which - -, R.sub.1, and R.sub.2 are as defined in the specification.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: August 3, 1999
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Yong Ho Chung, Moon Sun Lee, Dong Rack Choi, Jung A Lee, Hee Soon Lee, Hae Ran Yun, Dug Keun Lee, Eun Yi Moon, Hyun Sook Hwang, Chung Ha Choi, Sang Hun Jung
  • Patent number: 5929103
    Abstract: The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which ----, R.sub.1, and R.sub.2 are as defined in the specification.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: July 27, 1999
    Assignee: Dong Wha Pharm. Ind. Co., Ltd.
    Inventors: Sung June Yoon, Yong Ho Chung, Moon Sun Lee, Dong Rack Choi, Jung A Lee, Hee Soon Lee, Hae Ran Yun, Dug Keun Lee, Eun Yi Moon, Hyun Sook Hwang, Chung Ha Choi, Sang Hun Jung
  • Patent number: 5496947
    Abstract: The present invention relates to the novel quinolone carboxylic acid derivatives of the following formula (I) and their pharmaceutically acceptable salts and their hydrates. ##STR1## wherein X is a hydrocarbon, fluorocarbon or nitrogen atom,Y is a hydrogen or methyl group,R.sup.1 is a hydrogen or alkyl group having 1 to 5 carbon atom,R.sup.2 is ##STR2## wherein A and B is a fluorocarbon or nitrogen atom, provided that, if A.dbd.CF, B.dbd.N and if A.dbd.N, B.dbd.CF) andR.sup.3 is ##STR3## (wherein R.sup.4 is an amino group which makes a racemate or (S)-enantiomer) or ##STR4## (wherein R.sup.5, R.sup.6 and R.sup.7 are respectively hydrogen or alkyl group having 1 to 3 carbon atom.).The compounds according to the present invention are used as antibacterial agents.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: March 5, 1996
    Assignee: Dong Wha Pharmaceutical Industrial Co., Ltd.
    Inventors: Sung-June Yoon, Young-Ho Chung, Chi-Woo Lee, Yoon-Seok Oh, Dong-Rack Choi, Nam-Doo Kim