Patents by Inventor Kooichi Yoshida

Kooichi Yoshida 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).

  • Pharmaceutical vehicle
    Patent number: 4344968
    Abstract: Disclosed is a pharmaceutical vehicle comprising (a) a fatty acid glyceride having a melting point higher than 37.degree. C., (b) a water-soluble, low viscous and non-irritating organic substance having a particle size smaller than 28 mesh and a viscosity lower than 300 cps as measured with respect to a 2% aqueous solution, (c) an organic polymeric substance having a particle size smaller than 28 mesh, which is capable of being swollen on contact with water, and (d) a water-soluble surface active agent.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: August 17, 1982
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yukio Aoda, Hiroshi Ninomiya, Kooichi Yoshida, Osamu Koyanagi
  • Method of enhancing absorption of antitumor agent into gastro-intestinal tumor site and orally administrable antitumor compositions therefor
    Patent number: 4327081
    Abstract: This invention relates to a method for selectively enhancing absorption of 5-fluorouracil, bleomycins or bleomycin derivatives into the gastrointestinal tumor site by orally administering such substance together with an alkali metal salt of polyacrylic acid, and an orally administrable antitumor composition used for such method.
    Type: Grant
    Filed: October 26, 1979
    Date of Patent: April 27, 1982
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Akira Matsuda, Osamu Yoshioka, Katsutoshi Takahashi, Kooichi Yoshida, Hiroshi Ninomiya
  • Method of enhancing absorption of antitumor agent into gastrointestinal tumor site and orally administrable antitumor compositions therefor
    Patent number: 4273761
    Abstract: This invention relates to a method for selectively enhancing absorption of 5-fluorouracil, bleomycins or bleomycin derivatives into the gastrointestinal tumor site by orally administering such substance together with an alkali metal salt of polyacrylic acid, and an orally administable antitumor composition used for such method.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: June 16, 1981
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Akira Matsuda, Osamu Yoshioka, Katsutoshi Takahashi, Kooichi Yoshida, Hiroshi Ninomiya