Patents by Inventor Hiedeki Nakagawa

Hiedeki Nakagawa 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: 20120293851
    Abstract: Provided is a display device, including: a pair of substrates arranged at an interval; oil filled between the pair of substrates; a shutter arranged in the oil; a drive portion, which is arranged in the oil, for driving the shutter in a predetermined direction; and a wall portion provided in the oil and on one of the pair of substrates. The wall portion is positioned adjacent to the shutter in one of the predetermined direction of the shutter and a direction orthogonal to the predetermined direction. The wall portion has a height exceeding a height of the shutter in a thickness direction of the shutter. The wall portion has at least a part positioned lateral to the shutter.
    Type: Application
    Filed: May 16, 2012
    Publication date: November 22, 2012
    Inventors: Takeomi MORITA, Takahiko Muneyoshi, Hiedeki Nakagawa, Toshio Miyazawa, Katsumi Matsumoto