Patents by Inventor Tsunetoshi Hino

Tsunetoshi Hino 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).

  • Immobilization of microorganisms in a hydrophilic complex gel
    Patent number: 4148689
    Abstract: Immobilization of microorganisms is carried out by mixing a water soluble-polymer selected from polyvinylalcohol, gelatin and carboxymethylcellulose with a tetraalkoxysilane, hydrolyzing the resulting mixture by the addition of acid to form a homogeneous complex sol, dispersing microbial cells homogeneously in the sol and gelling the mixture of the sol and microbial cells.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: April 10, 1979
    Assignee: Sanraku-Ocean Co., Ltd.
    Inventors: Tsunetoshi Hino, Hideaki Yamada, Seizo Okamura
  • Method for manufacturing medical articles composed of silicone rubber coated with collagen
    Patent number: 3955012
    Abstract: Medical articles composed of silicone rubber coated with collagen to be used in living body, are manufactured by subjecting a surface of shaped articles composed of silicone rubber to a spark discharge, coating the thus treated surface with an acidic aqueous solution of collagen and then drying said surface to form collagen layer and irradiating the shaped article coated with collagen with high energy ionizing radiation under an atmosphere having such a humidity that the water content of the coated collagen becomes more than 20% by weight.
    Type: Grant
    Filed: November 16, 1973
    Date of Patent: May 4, 1976
    Assignee: Zaidan Hojin, Seisan Kaihatsu Kagaku Kenkyusho
    Inventors: Seizo Okamura, Tsunetoshi Hino