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Keiko Kida

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  • Atsugi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-emitting device
    • Patent number 8,669,567
    • Issue date Mar 11, 2014
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 7,977,685
    • Issue date Jul 12, 2011
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 7,315,047
    • Issue date Jan 1, 2008
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 7,274,044
    • Issue date Sep 25, 2007
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20110241032
    • Publication date Oct 6, 2011
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20080079362
    • Publication date Apr 3, 2008
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light emitting device
    • Publication number 20050179372
    • Publication date Aug 18, 2005
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light-emitting device
    • Publication number 20050161680
    • Publication date Jul 28, 2005
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takahiro Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS