Patents by Inventor Yutaka Makita

Yutaka Makita 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).

  • Polymer, polymer for forming organic electroluminescence device, polymer composition for organic electroluminescence device and organic electroluminescence device
    Publication number: 20040202892
    Abstract: Disclosed herein are a polymer for forming an organic electroluminescence device and a polymer composition for organic electroluminescence devices, by which a thin film can be formed with ease by the wet method, and an organic electroluminescence device that can achieve light emission high in luminous luminance and stable even during continuous driving can be provided, and the organic electroluminescence device.
    Type: Application
    Filed: March 30, 2004
    Publication date: October 14, 2004
    Applicant: JSR Corporation
    Inventors: Hiroyuki Yasuda, Shinji Shiraki, Michinori Nishikawa, Tou Ryou, Yutaka Makita
  • Liquid crystal aligning agent and process for producing liquid crystal alignment film using the same
    Patent number: 6224788
    Abstract: A liquid crystal aligning agent composed of a polymer containing a moiety having two aromatic nuclei and an ethylene carbonyl group therebetween. The liquid crystal aligning agent is converted to a liquid crystal alignment film by irradiation a thin film of the agent with a linearly polarized ray.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: May 1, 2001
    Assignee: JSR Corporation
    Inventors: Toshihiro Ogawa, Shoichi Nakata, Yutaka Makita, Masayuki Kimura, Yasumasa Takeuchi, Yasuo Matsuki, Shin-ichi Kimura