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Tsutomu KIYOSUMI

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  • Ueda, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    AlGaInP-based semiconductor laser
    • Patent number 10,170,891
    • Issue date Jan 1, 2019
    • USHIO OPTO SEMICONDUCTORS, INC.
    • Masato Hagimoto
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    AlGaInP-based semiconductor laser
    • Patent number 9,425,583
    • Issue date Aug 23, 2016
    • USHIO OPTO SEMICONDUCTORS, INC.
    • Masato Hagimoto
    • B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    AlGaInP-BASED SEMICONDUCTOR LASER
    • Publication number 20170012410
    • Publication date Jan 12, 2017
    • USHIO OPTO SEMICONDUCTORS, INC.
    • Masato HAGIMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20150003483
    • Publication date Jan 1, 2015
    • Oclaro Japan, Inc.
    • Masato HAGIMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20130182735
    • Publication date Jul 18, 2013
    • OCLARO JAPAN, INC.
    • Masato HAGIMOTO
    • B82 - NANO-TECHNOLOGY