Patents by Inventor Jin Nagasaki

Jin Nagasaki 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).

  • Method of making liquid crystal display device having extended service life
    Patent number: 4023259
    Abstract: A field-effect liquid crystal display device has cell plates, the interior surfaces of which are covered with a film of synthetic resin. The grooves required for optical activity of the liquid crystal material are in the synthetic resin. The construction of the cell is such that all volatiles including moisture can be driven off by heating and the system can be tightly sealed to keep it free of moisture. A method of assembly is disclosed.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: May 17, 1977
    Assignee: Kabushiki Kaisha Suwa Seikosha
    Inventors: Kanemitsu Kubota, Jin Nagasaki
  • Liquid crystal display device having extended service life
    Patent number: 3967882
    Abstract: A field-effect liquid crystal display device has cell plates, the interior surfaces of which are covered with a film of synthetic resin. The grooves required for optical activity of the liquid crystal material are in the synthetic resin. The construction of the cell is such that all volatiles including moisture can be driven off by heating and the system can be tightly sealed to keep it free of moisture. A method of assembly is disclosed.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: July 6, 1976
    Assignee: Kabushiki Kaisha Suwa Seikosha
    Inventors: Kanemitsu Kubota, Jin Nagasaki