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Mitsumasa SEITA

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  • Komaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical connector
    • Patent number 11,867,871
    • Issue date Jan 9, 2024
    • SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    • Takahiro Inaba
    • G02 - OPTICS
  • Information Patent Grant

    Optical connector
    • Patent number 11,409,053
    • Issue date Aug 9, 2022
    • SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    • Takahiro Inaba
    • G02 - OPTICS
  • Information Patent Grant

    Optical connector
    • Patent number 10,866,365
    • Issue date Dec 15, 2020
    • JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.
    • Mitsumasa Seita
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL CONNECTOR
    • Publication number 20230115918
    • Publication date Apr 13, 2023
    • SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    • Takahiro INABA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CONNECTOR
    • Publication number 20230113680
    • Publication date Apr 13, 2023
    • SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    • Takahiro INABA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CONNECTOR
    • Publication number 20210364704
    • Publication date Nov 25, 2021
    • SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    • Takahiro INABA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CONNECTOR
    • Publication number 20210255400
    • Publication date Aug 19, 2021
    • SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    • Takahiro INABA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CONNECTOR
    • Publication number 20190384011
    • Publication date Dec 19, 2019
    • Japan Communication Accessories Manufacturing Co., Ltd.
    • Mitsumasa SEITA
    • G02 - OPTICS