Patents by Inventor Katsuo Kataoka

Katsuo Kataoka 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).

  • Highly absorptive solid preparation
    Patent number: 6861071
    Abstract: A solid preparation improved in oral absorption and reduced in fluctuations of oral absorption can be obtained by incorporating an organic acid, particularly tartaric acid, in a solid preparation having, as an active ingredient, a high content of a quinolone compound, particularly sitafloxacin, having poor water solubility at pH around neutrality.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: March 1, 2005
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Katsuo Kataoka, Hiroshi Kikuchi, Tatsuya Suzuki, Takahiro Shimaya, Hideo Kobayashi, Akira Kurosawa, Koichi Ishido
  • Highly absorbable solid preparation
    Publication number: 20040132756
    Abstract: A solid preparation improved in oral absorption and reduced in fluctuations of oral absorption can be obtained by incorporating an organic acid, particularly tartaric acid, in a solid preparation having, as an active ingredient, a high content of a quinolone compound, particularly sitafloxacin, having poor water solubility at pH around neutrality.
    Type: Application
    Filed: December 19, 2003
    Publication date: July 8, 2004
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Katsuo Kataoka, Hiroshi Kikuchi, Tatsuya Suzuki, Takahiro Shimaya, Hideo Kobayashi, Akira Kurosawa, Koichi Ishido
  • Highly absorptive solid preparation
    Publication number: 20030176452
    Abstract: A solid preparation improved in oral absorption and reduced in fluctuations of oral absorption can be obtained by incorporating an organic acid, particularly tartaric acid, in a solid preparation having, as an active ingredient, a high content of a quinolone compound, particularly sitafloxacin, having poor water solubility at pH around neutrality.
    Type: Application
    Filed: February 7, 2003
    Publication date: September 18, 2003
    Inventors: Katsuo Kataoka, Hiroshi Kikuchi, Tatsuya Suzuki, Takahiro Shimaya, Hideo Kobayashi, Akira Kurosawa, Koichi Ishido