Patents by Inventor Kiyoshi Mizunoya

Kiyoshi Mizunoya 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 display element
    Patent number: 4366080
    Abstract: A liquid crystal display element utilizing dynamic scattering uses a liquid crystal composition comprising a liquid crystal and charge transfer complex. The charge transfer complex contains nitro-substituted 9-fluorenones as the electron acceptor.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: December 28, 1982
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Kiyoshi Mizunoya, Shoichi Matsumoto, Hitoshi Tomii, Masahiro Kawamoto, Yuusuke Wada
  • Liquid crystal color display devices
    Patent number: 4097128
    Abstract: A liquid crystal color display device which comprises a first electrode; a first substrate whose surface has a property of orientating the molecules of a nematic liquid crystal parallel with said surface; a second electrode; a second substrate whose surface has a property of orientating the molecules of the nematic liquid crystal perpendicular to said surface; a nematic liquid crystal interposed between the first and second substrates; at least one polarizer; and a means whereby the birefringence of the liquid crystal cell is changed to display various colors.
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: June 27, 1978
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Shoichi Matsumoto, Masahiro Kawamoto, Kiyoshi Mizunoya