Patents by Inventor Tadakazu Hayashi

Tadakazu Hayashi 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: 20040070575
    Abstract: The object of the present invention is to provide a plasma display panel that contributes to reduction of loss costs by reducing the number of plasma display panels that need to be disposed of after performance evaluation tests. In order to achieve the object, the plasma display panel of the present invention comprises a front glass substrate and a rear glass substrate opposing each other, an image display cell field and an evaluation cell field that are both provided between the front and the rear glass substrates and are each sealed with an airtight sealing layer independently of the other cell field. Performance evaluation tests of the plasma display panel are performed by driving the evaluation cell field.
    Type: Application
    Filed: September 29, 2003
    Publication date: April 15, 2004
    Inventors: Kazuhiko Sugimoto, Kazuyuki Hasegawa, Hideaki Yasui, Hiroyoshi Tanaka, Koji Aoto, Hiroki Kono, Tadakazu Hayashi, Hajime Ikejima, Yoshinao Ooe, Masaaki Yamauchi