Patents by Inventor Mutsuhiro Shima

Mutsuhiro Shima 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).

  • Apparatus for inspecting on-off states of a scattering-type liquid crystal display panel
    Patent number: 5459594
    Abstract: An apparatus for ON-OFF inspection on a scattering-type liquid crystal display panel is provided which is of decreased size and is capable of easily inspecting the ON-OFF states of the liquid crystal display panel by assuring enhanced visuality of an image displayed for inspection. The inspection apparatus includes: support means for supporting the liquid crystal display panel; signal applying means for applying an electric signal to a pixel of the liquid crystal display panel; illumination means for illuminating the liquid crystal display panel, the illumination means comprising a flat photoconductive member and a light source mounted on a side wall of the photoconductive member; a light-absorptive layer disposed on one side of the photoconductive member with a gap therebetween; and means for making the other side of the photoconductive member come into close contact with the liquid crystal display panel.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: October 17, 1995
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kunifumi Nakanishi, Masaaki Nakano, Mitsuyuki Takada, Eishi Gofuku, Mutsuhiro Shima, Toshio Ohnawa, Hirofumi Ouchida