Patents by Inventor Yasuhiro Iwazaki

Yasuhiro Iwazaki 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: 20040197745
    Abstract: A braille graphics cell module includes a unit substrate, a braille graphics display section which holds a plurality of tactile pins movably in a vertical direction to display braille graphics, a plurality of piezoelectric element pieces, which move the corresponding tactile pins in the vertical direction at a free end thereof by bending action, arranged on a surface of the unit substrate in association with the plurality of tactile pins, and a wiring part arranged at a lower end of the unit substrate so that an upper edge of the wiring part is located close to a node portion of each piezoelectric element piece for a bending operation and a lower edge thereof is located close to the fixed end of the piezoelectric element piece, and having an electric circuit in which the fixed ends of the plurality of piezoelectric element pieces are electrically connected to the wiring part.
    Type: Application
    Filed: September 4, 2003
    Publication date: October 7, 2004
    Applicant: KGS Corporation
    Inventors: Ri Su Hong, Yasuhiro Iwazaki, Yukio Shiraishi, Masahiro Tsugawa