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Yuhki KAWAMURA

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  • Kiyosu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light source device, headlight, display apparatus, and illumination...
    • Patent number 11,920,752
    • Issue date Mar 5, 2024
    • Sony Group Corporation
    • Hisayoshi Motobayashi
    • F21 - LIGHTING
  • Information Patent Grant

    Light emitting device
    • Patent number 10,690,319
    • Issue date Jun 23, 2020
    • Toyoda Gosei Co., Ltd.
    • Kento Hayashi
    • F21 - LIGHTING
  • Information Patent Grant

    Light-emitting device
    • Patent number 10,680,402
    • Issue date Jun 9, 2020
    • Toyoda Gosei Co., Ltd.
    • Kento Hayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 10,584,853
    • Issue date Mar 10, 2020
    • Toyoda Gosei Co., Ltd.
    • Masao Kamiya
    • F21 - LIGHTING
  • Information Patent Grant

    Light-emitting device
    • Patent number 10,522,970
    • Issue date Dec 31, 2019
    • Toyoda Gosei Co., Ltd.
    • Masaaki Osawa
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT SOURCE DEVICE, HEADLIGHT, DISPLAY APPARATUS, AND ILLUMINATION...
    • Publication number 20230014812
    • Publication date Jan 19, 2023
    • SONY GROUP CORPORATION
    • HISAYOSHI MOTOBAYASHI
    • G02 - OPTICS
  • Information Patent Application

    LIGHT-EMITTING DEVICE, WAVELENGTH CONVERSION UNIT, AND HEADLIGHT OR...
    • Publication number 20220344549
    • Publication date Oct 27, 2022
    • SONY GROUP CORPORATION
    • Satoshi WADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20190305503
    • Publication date Oct 3, 2019
    • Toyoda Gosei Co., Ltd.
    • Masaaki Osawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT EMITTING DEVICE
    • Publication number 20190285249
    • Publication date Sep 19, 2019
    • Toyoda Gosei Co., Ltd.
    • Kento Hayashi
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20190288482
    • Publication date Sep 19, 2019
    • Toyoda Gosei Co., Ltd.
    • Kento HAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20190285248
    • Publication date Sep 19, 2019
    • Toyoda Gosei Co., Ltd.
    • Masao KAMIYA
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20190277454
    • Publication date Sep 12, 2019
    • Toyoda Gosei Co., Ltd.
    • Yuhki KAWAMURA
    • H01 - BASIC ELECTRIC ELEMENTS