Patents by Inventor Tadahira Yo

Tadahira Yo 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).

  • Patent number: 5185415
    Abstract: The present invention relates to absorption resins comprising vinyl copolymers which do not dissolve in water and are capable of adsorbing microorganisms without inactivating the microorganisms and also adsorbents with a large contact area which are capable of adsorbing microorganisms efficiently as well as methods of making the resins and the adsorbents.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: February 9, 1993
    Assignee: Japane Vilene Co., Ltd.
    Inventors: Nariyoshi Kawabata, Akinori Minami, Tadahira Yo
  • Patent number: RE34740
    Abstract: The present invention relates to absorption resins comprising vinyl copolymers which do not dissolve in water and are capable of absorbing microorganisms without inactivating the microorganisms and also adsorbents with a large contact area which are capable of absorbing microorganisms efficiently as well as methods of making the resins and the adsorbents.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: September 27, 1994
    Assignee: Japane Vilkene Company, Ltd.
    Inventors: Nariyoshi Kawabata, Akinori Minami, Tadahira Yo