Yoshiyuki Umeda

Person

  • Hitachi, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Liquid crystal display device

    • Publication number 20060279686
    • Publication date Dec 14, 2006
    • Nagatoshi Kurahashi
    • G02 - OPTICS
  • Information Patent Application

    Liquid crystal display device

    • Publication number 20040165132
    • Publication date Aug 26, 2004
    • Yasushi Tomioka
    • G02 - OPTICS
  • Information Patent Application

    Liquid crystal display device

    • Publication number 20040145695
    • Publication date Jul 29, 2004
    • Nagatoshi Kurahashi
    • G02 - OPTICS
  • Information Patent Application

    Liquid crystal display

    • Publication number 20040012725
    • Publication date Jan 22, 2004
    • Yasushi Tomioka
    • G02 - OPTICS
  • Information Patent Application

    Liquid crystal display apparatus

    • Publication number 20030058397
    • Publication date Mar 27, 2003
    • Sukekazu Aratani
    • G02 - OPTICS
  • Information Patent Application

    Liquid crystal display

    • Publication number 20020140891
    • Publication date Oct 3, 2002
    • Yasushi Tomioka
    • G02 - OPTICS
  • Information Patent Application

    Liquid crystal display apparatus

    • Publication number 20020027632
    • Publication date Mar 7, 2002
    • Sukekazu Aratani
    • G02 - OPTICS
  • Information Patent Application

    Liquid display device

    • Publication number 20010048498
    • Publication date Dec 6, 2001
    • Yasushi Tomioka
    • G02 - OPTICS