Patents by Inventor Jyh-Haur Chern

Jyh-Haur Chern 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: 8415482
    Abstract: Compounds useful for treating hepatitis C virus infection. The compounds are of formula (I): wherein A, B, C, D, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, m, n, p, q, r, t, u, and v are defined herein. Also disclosed is a method for treating hepatitis C virus infection with these compounds.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: April 9, 2013
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Yu-Sheng Chao
  • Patent number: 8198284
    Abstract: A method for treating a neurodegenerative disorder. The method includes administering to a subject in need thereof an effective amount of one or more thiourea compounds of formula (I) or (II): Each variable in formula (I) or (II) is defined herein. Also disclosed is use of these thiourea compounds to reduce microglia-mediated neuro-inflammation or enhancing microglial phagocytosis of A?.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: June 12, 2012
    Assignee: National Health Research Institutes
    Inventors: Feng-Shiun Shie, Jyh-Haur Chern, Yu-Sheng Chao
  • Patent number: 7985763
    Abstract: A compound of the following formula: in which R1, R2, R3, U, V, T, W, X, Y, Z, m, n, p, x, y, and z are as defined herein. Also disclosed are (1) a pharmaceutical composition containing such a compound, and (2) a method for treating Hepatitis C virus infection using such a compound.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: July 26, 2011
    Assignee: National Health Research Institutes
    Inventors: Li-Wen Wang, Tsu-An Hsu, Yen-Chun Lee, Iou-Jiun Kang, Chung-Chi Lee, Yu-Sheng Chao, Jyh-Haur Chern
  • Publication number: 20110136799
    Abstract: Compounds of formula (I): wherein A, B, C, D, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, m, n, p, q, r, t, u, and v are defined herein. Also disclosed is a method for treating hepatitis C virus infection with these compounds.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 9, 2011
    Applicant: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Yu-Sheng Chao
  • Patent number: 7939523
    Abstract: Imidazolidinone and imidazolinethione compounds of formula (I): wherein R1, R2, R3, A1, A2, X, Y, Z, m, n, p, x, and y are defined herein. Also disclosed is a method of treating hepatitis C virus infection with these compounds.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: May 10, 2011
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yen-Shian Wu, Sheng-Ju Hsu, Yueh Andrew Yueh, Yu-Sheng Chao
  • Patent number: 7897764
    Abstract: Thiourea compounds of the following formula: wherein n, R1, R2, R3, A1, A2, X, Y, and Z are defined herein. Also disclosed is a method of treating hepatitis C virus infection with these compounds.
    Type: Grant
    Filed: May 5, 2008
    Date of Patent: March 1, 2011
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yu-Sheng Chao
  • Publication number: 20090275596
    Abstract: A method for treating a neurodegenerative disorder. The method includes administering to a subject in need thereof an effective amount of one or more thiourea compounds of formula (I) or (II): Each variable in formula (I) or (II) is defined herein. Also disclosed is use of these thiourea compounds to reduce microglia-mediated neuro-inflammation or enhancing microglial phagocytosis of A?.
    Type: Application
    Filed: March 24, 2009
    Publication date: November 5, 2009
    Applicant: National Health Research Institutes
    Inventors: Feng-Shiun Shie, Jyh-Haur Chern, Yu-Sheng Chao
  • Publication number: 20090176766
    Abstract: Imidazolidinone and imidazolinethione compounds of formula (I): wherein R1, R2, R3, A1, A2, X, Y, Z, m, n, p, x, and y are defined herein. Also disclosed is a method of treating hepatitis C virus infection with these compounds.
    Type: Application
    Filed: January 5, 2009
    Publication date: July 9, 2009
    Applicant: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yen-Shian Wu, Sheng-Ju Hsu, Yueh Andrew Yueh, Yu-Sheng Chao
  • Patent number: 7501445
    Abstract: This invention relates to compounds of the following formula: in which R1, R2, A1, A2, X, Y, m, n, p, x and y are as defined herein, pharmaceutical compositions comprising the compounds and use of the compounds in treating enterovirus infection.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: March 10, 2009
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Shin-Ru Shih, Chiung-Tong Chen, Chih-Shiang Chang, Chung-Chi Lee, Yen-Chun Lee, Chia-Liang Tai
  • Publication number: 20080306090
    Abstract: Thiourea compounds of the following formula: wherein n, R1, R2, R3, A1, A2, X, Y, and Z are defined herein. Also disclosed is a method of treating hepatitis C virus infection with these compounds.
    Type: Application
    Filed: May 5, 2008
    Publication date: December 11, 2008
    Applicant: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yu-Sheng Chao
  • Publication number: 20080255189
    Abstract: A compound of the following formula: in which R1, R2, R3, U, V, T, W, X, Y, Z, m, n, p, x, y, and z are as defined herein. Also disclosed are (1) a pharmaceutical composition containing such a compound, and (2) a method for treating Hepatitis C virus infection using such a compound.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 16, 2008
    Applicant: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yu-Sheng Chao
  • Publication number: 20080113975
    Abstract: This invention relates to thiourea compounds of formula (I) shown below: Each variable in formula (I) is defined in the specification. These compounds can be used to treat hepatitis C virus infection.
    Type: Application
    Filed: August 15, 2007
    Publication date: May 15, 2008
    Applicant: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yu-Sheng Chao
  • Publication number: 20080096875
    Abstract: This invention relates to thiourea compounds of formula (II) shown below: Each variable in formula (I) is defined in the specification. These compounds can be used to treat hepatitis C virus infection.
    Type: Application
    Filed: August 15, 2007
    Publication date: April 24, 2008
    Applicant: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Tsu-An Hsu, Iou-Jiun Kang, Li-Wen Wang, Chung-Chi Lee, Yen-Chun Lee, Yu-Sheng Chao
  • Patent number: 7259174
    Abstract: Compounds of the following formula: in which R1, R2, A1, A2, X, Y, m, n, p, x and y are as defined herein. Also disclosed are pharmaceutical compositions each containing one or more of these compounds, and use thereof in treating enteroviral infection.
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: August 21, 2007
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Shin-Ru Shih, Chih-Shiang Chang, Chung-Chi Lee, Yen-Chun Lee
  • Publication number: 20070049623
    Abstract: This invention relates to compounds of the following formula: in which R1, R2, A1, A2, X, Y, m, n, p, x and y are as defined herein, pharmaceutical compositions comprising the compounds and use of the compounds in treating enterovirus infection.
    Type: Application
    Filed: October 30, 2006
    Publication date: March 1, 2007
    Inventors: Jyh-Haur Chern, Shin-Ru Shih, Chiung-Tong Chen, Chih-Shiang Chang, Chung-Chi Lee, Yen-Chun Lee, Chia-Liang Tai
  • Patent number: 7129359
    Abstract: This invention relates to compounds of the following formula: in which R1, R2, A1, A2, X, Y, m, n, p, x and y are as defined herein, pharmaceutical compositions comprising the compounds and use of the compounds in treating enterovirus infection.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: October 31, 2006
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Shin-Ru Shih, Chiung-Tong Chen, Chih-Shiang Chang, Chung-Chi Lee, Yen-Chun Lee, Chia-Liang Tai
  • Publication number: 20050267164
    Abstract: Compounds of the following formula: in which R1, R2, Al, A2, X, Y, m, n, p, x and y are as defined herein. Also disclosed are pharmaceutical compositions each containing one or more of these compounds, and use thereof in treating enteroviral infection.
    Type: Application
    Filed: May 23, 2005
    Publication date: December 1, 2005
    Inventors: Jyh-Haur Chern, Shin-Ru Shih, Chih-Shiang Chang, Chung-Chi Lee, Yen-Chun Lee
  • Patent number: 6815444
    Abstract: This invention features, among others, a pyrazolopyrimidine compound of formula (A): A is (CH2)q—CHRaRb; each of R1 and R2, independently, is hydrogen, halogen, cyano, nitro, or alkyl; or R1 and R2 taken together is (CH2)r; each of R3 and R4, independently, is hydrogen, halogen, cyano, nitro, or alkyl; each of R5, Ra, and Rb, independently, is aryl, aralkyl, or heteroaryl, optionally substituted with halogen, cyano, nitro, alkyl, aryl, aralkyl, heteroaryl, OR, O(O)CR, C(O)R, C(O)OR, C(O)NRR′, SR, S(O)R, S(O)OR, NRR′, NR(O)CR′, NRC(O)OR′, or NRC(O)NR′R″; each of m, n, o, p, and r, independently, is 0 or 1, and q is 0, 1, or 2; in which each of R, R′, and R″, independently, is hydrogen or alkyl, provided that the sum of m, n, o, and p is 1, 2, 3, or 4.
    Type: Grant
    Filed: May 23, 2003
    Date of Patent: November 9, 2004
    Assignee: National Health Research Institutes
    Inventors: Jyh-Haur Chern, Kak-Shan Shia, Shin-Ru Shih, Tsu-An Hsu, Chia-Liang Tai
  • Publication number: 20040204400
    Abstract: This invention features, among others, a pyrazolopyrimidine compound of formula (A): 1
    Type: Application
    Filed: May 23, 2003
    Publication date: October 14, 2004
    Inventors: Jyh-Haur Chern, Kak-Shan Shia, Shin-Ru Shih, Tsu-An Hsu, Chia-Liang Tai
  • Publication number: 20040116476
    Abstract: This invention relates to compounds of the following formula: 1
    Type: Application
    Filed: November 19, 2003
    Publication date: June 17, 2004
    Inventors: Jyh-Haur Chern, Shin-Ru Shih, Chiung-Tong Chen, Chih-Shiang Chang, Chung-Chi Lee, Yen-Chun Lee, Chia-Liang Tai