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Takeo Wakimoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic electroluminescence element
    • Patent number 7,645,523
    • Issue date Jan 12, 2010
    • Pioneer Corporation
    • Taishi Tsuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic semiconductor diode
    • Patent number 6,812,638
    • Issue date Nov 2, 2004
    • Pioneer Corporation
    • Takeo Wakimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescence element display device with organic sem...
    • Patent number 6,690,028
    • Issue date Feb 10, 2004
    • Pioneer Corporation
    • Takeo Wakimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescence element
    • Patent number 6,602,618
    • Issue date Aug 5, 2003
    • Pioneer Corporation
    • Teruichi Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,739,635
    • Issue date Apr 14, 1998
    • Pioneer Electric Corporation
    • Takeo Wakimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,487,953
    • Issue date Jan 30, 1996
    • Pioneer Electronic Corporation
    • Yasuhiro Shirota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,374,489
    • Issue date Dec 20, 1994
    • Pioneer Electronic Corporation
    • Kunio Imai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,276,381
    • Issue date Jan 4, 1994
    • Pioneer Electronic Corporation
    • Takeo Wakimoto
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Organic electroluminescence element
    • Patent number 5,256,945
    • Issue date Oct 26, 1993
    • Pioneer Electronic Corporation
    • Kunio Imai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Electroluminescent device
    • Patent number 5,227,252
    • Issue date Jul 13, 1993
    • Pioneer Electronic Corporation
    • Ryuji Murayama
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Electroluminescent device
    • Patent number 5,122,711
    • Issue date Jun 16, 1992
    • Pioneer Electronic Corporation
    • Takeo Wakimoto
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Electroluminescent element
    • Patent number 5,104,740
    • Issue date Apr 14, 1992
    • Pioneer Electronic Corporation
    • Masanao Shinkai
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Electroluminescent element
    • Patent number 5,069,975
    • Issue date Dec 3, 1991
    • Pioneer Electronic Corporation
    • Hitoshi Nakada
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents