Patents by Inventor Yasuji Isozaki

Yasuji Isozaki 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).

  • Nematic liquid crystal composition for electro-optical displays
    Patent number: 3997463
    Abstract: A nematic liquid crystal composition, including p-methoxybenzylidene-p'-n-butylaniline, p-butoxybenzylidene-p'-n-butylaniline and bis(p'-n-octyloxy benzylidene)-chloro-p-phenylenediamine, has desirable thermodynamic properties, including a nematic mesophase over a wide temperature range, and also has a high dynamic scattering contrast ratio.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: December 14, 1976
    Assignee: Fujitsu Limited
    Inventors: Toshiaki Narusawa, Hirofumi Okuyama, Junjiro Goto, Yasuji Isozaki, Masatoshi Fujimori