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Kenichi Okuyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device
    • Patent number 10,249,840
    • Issue date Apr 2, 2019
    • Pioneer Corporation
    • Yuji Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 10,008,686
    • Issue date Jun 26, 2018
    • Pioneer Corporation
    • Yuji Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 9,831,460
    • Issue date Nov 28, 2017
    • Pioneer Corporation
    • Kenichi Okuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 9,825,248
    • Issue date Nov 21, 2017
    • Pioneer Corporation
    • Yuji Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical device
    • Patent number 9,786,865
    • Issue date Oct 10, 2017
    • Pioneer Corporation
    • Hiroki Tan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting apparatus with an organic electroluminescence cell
    • Patent number 8,405,302
    • Issue date Mar 26, 2013
    • Pioneer Corporation
    • Akinori Hayafuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting apparatus with an organic electroluminescence cell
    • Patent number 8,227,974
    • Issue date Jul 24, 2012
    • Pioneer Corporation
    • Akinori Hayafuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent display panel
    • Patent number 6,717,357
    • Issue date Apr 6, 2004
    • Tohoku Pioneer Corporation
    • Kenichi Okuyama
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20180294429
    • Publication date Oct 11, 2018
    • Pioneer Corporation and Tohoku Pioneer Corporation
    • Yuji SAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20180053910
    • Publication date Feb 22, 2018
    • Pioneer Corporation
    • Kenichi OKUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20180053909
    • Publication date Feb 22, 2018
    • Pioneer Corporation
    • Yuji SAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT EMITTING DEVICE
    • Publication number 20160204383
    • Publication date Jul 14, 2016
    • PIONEER CORPORATION
    • Kenichi OKUYAMA
    • F21 - LIGHTING
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20160056406
    • Publication date Feb 25, 2016
    • PIONEER CORPORATION
    • Kenichi OKUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20160056408
    • Publication date Feb 25, 2016
    • PIONEER CORPORATION
    • Yuji SAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20160056407
    • Publication date Feb 25, 2016
    • PIONEER CORPORATION
    • Hiroki TAN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT EMITTING APPARATUS WITH AN ORGANIC ELECTROLUMINESCENCE CELL
    • Publication number 20120194063
    • Publication date Aug 2, 2012
    • Tohoku Pioneer Corporation
    • Akinori Hayafuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT EMITTING APPARATUS
    • Publication number 20100127617
    • Publication date May 27, 2010
    • Pioneer Corporation
    • Akinori Hayafuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Organic EL display panel and method of manufacturing the same
    • Publication number 20040189191
    • Publication date Sep 30, 2004
    • Tohoku Pioneer Corporation
    • Isamu Ohshita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Organic electroluminescent display panel
    • Publication number 20010054868
    • Publication date Dec 27, 2001
    • Tohoku Pioneer Corporation
    • Kenichi Okuyama
    • H01 - BASIC ELECTRIC ELEMENTS