Patents by Inventor Jun Takahama

Jun Takahama 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 and projection type liquid crystal display device
    Patent number: 8212985
    Abstract: Disclosed herein is a liquid crystal display element in which a liquid crystal layer is interposed between a pair of substrates laminated to each other by a sealing material such that alignment films are opposed to each other with a predetermined gap between the alignment films, wherein a range of dielectric anisotropy ?? of a material for the liquid crystal layer at a measured temperature of 70° C. is ?4.5 to less than zero.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: July 3, 2012
    Assignee: Sony Corporation
    Inventors: Hidenobu Kuroi, Akiko Toriyama, Yasuhiro Shirasaka, Hisashi Kadota, Hajime Tsuchiya, Jun Takahama
  • Liquid crystal display element and projection type liquid crystal display device
    Publication number: 20080055492
    Abstract: Disclosed herein is a liquid crystal display element in which a liquid crystal layer is interposed between a pair of substrates laminated to each other by a sealing material such that alignment films are opposed to each other with a predetermined gap between the alignment films, wherein a range of dielectric anisotropy ?? of a material for the liquid crystal layer at a measured temperature of 70° C. is ?4.5 to less than zero.
    Type: Application
    Filed: August 24, 2007
    Publication date: March 6, 2008
    Inventors: Hidenobu Kuroi, Akiko Toriyama, Yasuhiro Shirasaka, Hisashi Kadota, Hirohide Fukumoto, Hajime Tsuchiya, Jun Takahama