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Ryo Kuwahara

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device
    • Patent number 8,777,496
    • Issue date Jul 15, 2014
    • Sumitomo Electric Device Innovations, Inc.
    • Ryo Kuwahara
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical device
    • Patent number 8,743,564
    • Issue date Jun 3, 2014
    • Sumitomo Electric Device Innovations, Inc.
    • Ryo Kuwahara
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20130259439
    • Publication date Oct 3, 2013
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Takashi Asaba
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20120267738
    • Publication date Oct 25, 2012
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Ryo Kuwahara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-RECEIVING DEVICE
    • Publication number 20120177321
    • Publication date Jul 12, 2012
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Ryo Kuwahara
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20120087136
    • Publication date Apr 12, 2012
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Ryo Kuwahara
    • G02 - OPTICS