Patents by Inventor Kozue Muramatsu

Kozue Muramatsu 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).

  • Estra-1,3,5(10)-triene derivatives
    Patent number: 6953785
    Abstract: Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I): {wherein R1 and R2 are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R3 represents a hydrogen atom etc.; R4 represents a hydrogen atom etc.; R5 represents a hydrogen atom etc.; R6 represents a cyano group, an amino group, COR53 (wherein R53 represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: October 11, 2005
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Yoji Ino, Nobuyoshi Amishiro, Mayumi Miyata, Tsutomu Agatsuma, Kozue Muramatsu, Takeshi Takahashi, Shiro Akinaga, Chikara Murakata
  • Aryl sulfamate derivatives
    Publication number: 20040254241
    Abstract: The present invention provides an aryl sulfamate derivative represented by Formula (I) 1
    Type: Application
    Filed: July 12, 2004
    Publication date: December 16, 2004
    Inventors: Yoji Ino, Nobuyoshi Amishiro, Kozue Muramatsu, Yukimasa Shiotsu, Chikara Murakata
  • Estra-1,3,5 (10)-triene derivatives
    Publication number: 20030216362
    Abstract: Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I): 1
    Type: Application
    Filed: October 24, 2002
    Publication date: November 20, 2003
    Inventors: Yoji Ino, Nobuyoshi Amishiro, Mayumi Miyata, Tsutomu Agatsuma, Kozue Muramatsu, Takeshi Takahashi