Patents by Inventor Tianzhu Yu

Tianzhu Yu 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).

  • Compounds as CRTH2 antagonist and uses thereof
    Patent number: 9951010
    Abstract: The compounds of Formula (I) which can be used as CRTH2 receptor antagonists are provided. The compounds of Formula (I) can be used in the treatment and prevention of asthma, allergic rhinitis and atopic dermatitis, as well as other diseases mediated by prostaglandin D2 (PGD2) at the CRTH2 receptor.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: April 24, 2018
    Assignee: SUNSHINE LAKE PHARMA CO., LTD.
    Inventors: Yingjun Zhang, Tianzhu Yu, Bing Liu, Xiangyu Zhang, Shiguo Zhang, Changchung Cheng, Jiancun Zhang
  • COMPOUNDS AS CRTH2 ANTAGONIST AND USES THEREOF
    Publication number: 20170267634
    Abstract: The compounds of Formula (I) which can be used as CRTH2 receptor antagonists are provided. The compounds of Formula (I) can be used in the treatment and prevention of asthma, allergic rhinitis and atopic dermatitis, as well as other diseases mediated by prostaglandin D2 (PGD2) at the CRTH2 receptor.
    Type: Application
    Filed: September 11, 2015
    Publication date: September 21, 2017
    Applicant: SUNSHINE LAKE PHARMA CO., LTD.
    Inventors: Yingjun ZHANG, Tianzhu YU, Bing LIU, Xiangyu ZHANG, Shiguo ZHANG, Changchung CHENG, Jiancun ZHANG
  • Spiro compounds as Hepatitis C virus inhibitors
    Patent number: 9303061
    Abstract: Disclosed are spiro compounds of formula (I), or stereomers, geometric isomers, tautomers, nitrogen oxides, hydrates, solvates, metabolites, pharmaceutically acceptable salts or prodrugs thereof. The compounds can be used to treat hepatitis C virus (HCV) infection or hepatitis C disease. Furthermore disclosed are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions in the treatment of HCV infection or hepatitis C disease.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: April 5, 2016
    Assignee: Sunshine Luke Pharma Co., Ltd.
    Inventors: Jiancun Zhang, Yingjun Zhang, Hongming Xie, Qingyun Ren, Huichao Luo, Tianzhu Yu, Yumei Tan
  • SPIRO COMPOUNDS AS HEPATITIS C VIRUS INHIBITORS
    Publication number: 20140147412
    Abstract: Disclosed are spiro compounds of formula (I), or stereomers, geometric isomers, tautomers, nitrogen oxides, hydrates, solvates, metabolites, pharmaceutically acceptable salts or prodrugs thereof. The compounds can be used to treat hepatitis C virus (HCV) infection or hepatitis C disease. Furthermore disclosed are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions in the treatment of HCV infection or hepatitis C disease.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 29, 2014
    Applicant: SUNSHINE LAKE PHARMA CO., LTD.
    Inventors: Jiancun Zhang, Yingjun Zhang, Hongming Xie, Qingyun Ren, Huichao Luo, Tianzhu Yu, Yumei Tan