Patents by Inventor Tokihisa Hattori

Tokihisa Hattori 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 composition containing the polysaccharide KGF-C as active ingredient
    Patent number: 4229440
    Abstract: KGF-C is obtained by grinding kefir grain, adding water to the ground kefir grain and heating, homogenizing the mixture and centrifuging it, adding ethanol to the obtained supernatant to obtain a precipitate, dissolving the precipitate into water, purifying the obtained liquid and freeze-drying the remaining liquid. The obtained KGF-C is soluble in water and is composed of polysaccharide as principal component and contains a very small amount of nitrogenous component, and, as sugar composition, is composed of glucose and galactose in the ratio 1:1. This KGF-C has strong antitumor action by oral administration.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: October 21, 1980
    Assignee: Fujiya Confectionery Company Limited
    Inventors: Mitsugu Murofushi, Kuniaki Sasaki, Michio Shiomi, Yoshio Uchida, Tokihisa Hattori, Keniti Takeda