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Keizo TAKEMASA

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  • Kawasaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor laser device
    • Patent number 11,764,546
    • Issue date Sep 19, 2023
    • Denso Corporation
    • Yuki Kamata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor light-emitting element
    • Patent number 9,865,771
    • Issue date Jan 9, 2018
    • QD LASER, INC.
    • Kenichi Nishi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230327406
    • Publication date Oct 12, 2023
    • DENSO CORPORATION
    • Hitoshi YAMADA
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20230027143
    • Publication date Jan 26, 2023
    • DENSO CORPORATION
    • YUKI KAMATA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LASER DEVICE
    • Publication number 20220344906
    • Publication date Oct 27, 2022
    • DENSO CORPORATION
    • Hiroyuki TARUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER DEVICE
    • Publication number 20220158415
    • Publication date May 19, 2022
    • DENSO CORPORATION
    • Yuki KAMATA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LIGHT-EMITTING ELEMENT
    • Publication number 20160336480
    • Publication date Nov 17, 2016
    • QD LASER, INC.
    • Kenichi NISHI
    • H01 - BASIC ELECTRIC ELEMENTS