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Yuji Koyama

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Patents Grantslast 30 patents

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  • Information Patent Application

    VERTICAL CAVITY SURFACE EMITTING LASER
    • Publication number 20220037854
    • Publication date Feb 3, 2022
    • Sumitomo Electric Industries, Ltd.
    • Takeshi AOKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURFACE EMITTING SEMICONDUCTOR LASER
    • Publication number 20180269655
    • Publication date Sep 20, 2018
    • Sumitomo Electric Industries, Ltd.
    • Yuji Koyama
    • H01 - BASIC ELECTRIC ELEMENTS