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Takumi Suwa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lamp device and lighting fixture including LED as light source and...
    • Patent number 8,899,795
    • Issue date Dec 2, 2014
    • Toshiba Lighting & Technology Corporation
    • Toshiya Tanaka
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting device
    • Patent number 8,664,857
    • Issue date Mar 4, 2014
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire
    • Patent number 8,618,723
    • Issue date Dec 31, 2013
    • Toshiba Lighting & Technology Corporation
    • Makoto Sakai
    • F21 - LIGHTING
  • Information Patent Grant

    Light emitting diode (LED) bulb
    • Patent number 8,567,990
    • Issue date Oct 29, 2013
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting device
    • Patent number 8,427,059
    • Issue date Apr 23, 2013
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Light emitting diode lamp
    • Patent number D675756
    • Issue date Feb 5, 2013
    • Toshiba Lighting & Technology Corporation
    • Asuka Wada
    • D26 - Lighting
  • Information Patent Grant

    Light emitting diode lamp
    • Patent number D675755
    • Issue date Feb 5, 2013
    • Toshiba Lighting & Technology Corporation
    • Junichiro Yamamoto
    • D26 - Lighting
  • Information Patent Grant

    Light-emitting element lamp and lighting equipment
    • Patent number 8,294,356
    • Issue date Oct 23, 2012
    • Toshiba Lighting & Technology Corporation
    • Takumi Suwa
    • F21 - LIGHTING
  • Information Patent Grant

    Light emitting diode lamp
    • Patent number D668364
    • Issue date Oct 2, 2012
    • Toshiba Lighting & Technology Corporation
    • Junichiro Yamamoto
    • D26 - Lighting
  • Information Patent Grant

    Double bulb type halogen lamp in which a space between inner and ou...
    • Patent number 5,093,601
    • Issue date Mar 3, 1992
    • Toshiba Lighting & Technology Corporation
    • Tsutomu Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    LUMINAIRE
    • Publication number 20130229813
    • Publication date Sep 5, 2013
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Ryotaro MATSUDA
    • F21 - LIGHTING
  • Information Patent Application

    LUMINAIRE
    • Publication number 20130063942
    • Publication date Mar 14, 2013
    • Kabushiki Kaisha Toshiba
    • Makoto SAKAI
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING DEVICE AND MANUFACTURING METHOD THEREOF
    • Publication number 20130063957
    • Publication date Mar 14, 2013
    • Kabushiki Kaisha Toshiba
    • Makoto SAKAI
    • F21 - LIGHTING
  • Information Patent Application

    Lighting Device
    • Publication number 20120319581
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Application

    Light Emitting Diode (LED) Bulb
    • Publication number 20120320593
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Application

    LAMP DEVICE AND LIGHTING FIXTURE
    • Publication number 20110291594
    • Publication date Dec 1, 2011
    • Kabushiki Kaisha Toshiba
    • Toshiya Tanaka
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT-EMITTING ELEMENT LAMP AND LIGHTING EQUIPMENT
    • Publication number 20110089806
    • Publication date Apr 21, 2011
    • Toshiba Lighting & Technology Corporation
    • Takumi Suwa
    • F21 - LIGHTING
  • Information Patent Application

    LAMP SYSTEM AND LIGHTING APPARATUS
    • Publication number 20100208473
    • Publication date Aug 19, 2010
    • Toshiba Lighting & Technology Corporation
    • MAKOTO SAKAI
    • F21 - LIGHTING
  • Information Patent Application

    SELF-BALLASTED LAMP
    • Publication number 20100026185
    • Publication date Feb 4, 2010
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING