Patents by Inventor Takeko Takada

Takeko Takada 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).

  • Benzofuran derivatives
    Patent number: 6689798
    Abstract: The present invention provides novel benzofuran derivatives represented by the following formula (I) or salts thereof: wherein Py is a 2-, 3-, or 4-pyridyl group and R is a substituted or unsubstituted phenyl group or a substituted or unsubstituted aromatic heterocyclic group. The present invention also relates to inhibitors of steroid 17&agr;-hydroxylase and/or steroid C17-20 lyase and pharmaceutical compositions containing a benzofuran derivative of the above formula (I), or the salt.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: February 10, 2004
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Shin'ichi Shimada, Shin Nomoto, Masayuki Okue, Ken'ichi Kimura, Junji Nakamura, Yoshikazu Ikeda, Takeko Takada
  • Novel benzofuran derivatives
    Publication number: 20030149079
    Abstract: The present invention provides novel benzofuran derivatives represented by the following formula (I) or salts thereof: 1
    Type: Application
    Filed: November 18, 2002
    Publication date: August 7, 2003
    Applicant: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Shin?apos;ichi Shimada, Shin Nomoto, Masayuki Okue, Ken?apos;ichi Kimura, Junji Nakamura, Yoshikazu Ikeda, Takeko Takada
  • Novel benzothiophene derivatives
    Publication number: 20030130340
    Abstract: The present invention relates to novel benzothiophene derivatives represnted by the following formula (I) or salts thereof, inhibitors of steroid 17&agr;-hydroxylase and/or C17-20 lyase, and pharmaceutical compositions containing the benzothiophene derivative or the salt.
    Type: Application
    Filed: November 18, 2002
    Publication date: July 10, 2003
    Applicant: Daiichi Pharmaceutical Co. Ltd.
    Inventors: Shin?apos;ichi Shimada, Shin Nomoto, Masayuki Okue, Ken?apos;ichi Kimura, Junji Nakamura, Yoshikazu Ikeda, Takeko Takada