Patents by Inventor Ryuutaro Oke

Ryuutaro Oke 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
    Patent number: 6798480
    Abstract: To improve optical transmission efficiency without reducing optical reflection efficiency.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: September 28, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Kikuo Ono, Junichi Hirakata, Takahiro Ochiai, Ryuutaro Oke
  • Liquid crystal display
    Publication number: 20020047970
    Abstract: To improve optical transmission efficiency without reducing optical reflection efficiency.
    Type: Application
    Filed: November 20, 2001
    Publication date: April 25, 2002
    Applicant: Hitachi, Ltd.
    Inventors: Kikuo Ono, Junichi Hirakata, Takahiro Ochiai, Ryuutaro Oke