Patents by Inventor Tsuko Kobayashi

Tsuko Kobayashi 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).

  • Process for disintegrating silica fine powder
    Patent number: 5083713
    Abstract: A process for disintegrating an agglomerated mass of silica fine powder comprises introducing the silica fine powder into an impact portion defined by either a rotatory strip and a fixed strip or two rotatory strips, and having a gap therebetween of 0.5 to 10 mm and mechanically impacting the silica fine powder by at the impact portion to disintegrate the agglomerated mass.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: January 28, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hitoshi Kanda, Tsuko Kobayashi