Patents by Inventor Hidetaka Nakajima

Hidetaka Nakajima 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).

  • Liquid crystal device and manufacturing method for the same
    Patent number: 4973138
    Abstract: An improved liquid crystal device is described. The distance between a pair of substrates is kept constant by means of spacers interposed therebetween. The spacers consist of two kinds of spacers. One kind of spacer is fusible and functions to prevent the distance from expanding. The other kind of spacer is non-fusible and functions to prevent the distance from contracting.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: November 27, 1990
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunnei Yamazaki, Toshio Watanabe, Hidetaka Nakajima