Patents by Inventor Kazuyyoshi Akuzawa

Kazuyyoshi Akuzawa 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).

  • Publication number: 20060214906
    Abstract: In an image display device which includes an image display panel, in which two or more groups of particles having different colors and different charge characteristics are sealed in a plurality of cells formed by partition walls between two substrates, at least one of two substrates being transparent, and, in which the particles, to which an electrostatic field produced by electrodes provided to both of the substrates is applied, are made to move so as to display an image, as the electrodes provided on two substrates, use is made of a pattern electrode patternized in such a manner that a coating area of the electrode satisfies a predetermined condition with respect to a projected area of respective cells (first invention) or a pattern electrode patternized in such a manner that no electrode portion is formed at a vertically lower portion in respective cells (second invention).
    Type: Application
    Filed: December 19, 2003
    Publication date: September 28, 2006
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Taichi Kobayashi, Hiroyuki Anzai, Kazuyyoshi Akuzawa, Koji Takagi