TREA

Shigekatsu Tetsutani

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  • Tsukuba-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL FIBER CABLE, OPTICAL FIBER CABLE MANUFACTURING EQUIPMENT, O...
    • Publication number 20240302620
    • Publication date Sep 12, 2024
    • Nippon Telegraph and Telephone Corporation
    • Masashi KIKUCHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CABLE LAYING METHOD
    • Publication number 20240288656
    • Publication date Aug 29, 2024
    • NIPPON TELEGRAPH AND TELEPONE CORPORATION
    • Akira SAKURAI
    • G02 - OPTICS
  • Information Patent Application

    FIBER OPTIC CABLE
    • Publication number 20240288647
    • Publication date Aug 29, 2024
    • Nippon Telegraph and Telephone Corporation
    • Akira SAKURAI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE AND OPTICAL FIBER CABLE MANUFACTURING EQUIPMENT
    • Publication number 20240272394
    • Publication date Aug 15, 2024
    • Nippon Telegraph and Telephone Corporation
    • Masashi KIKUCHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER TEST METHOD AND WRAPPING OPTICAL FIBER DEVICE
    • Publication number 20240248001
    • Publication date Jul 25, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yusuke YAMADA
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL CABLE
    • Publication number 20230333340
    • Publication date Oct 19, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuta MARUO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20230314744
    • Publication date Oct 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuta MARUO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20230314743
    • Publication date Oct 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuta MARUO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20230273381
    • Publication date Aug 31, 2023
    • FUJIKURA LTD.
    • Soichiro Kaneko
    • G02 - OPTICS
  • Information Patent Application

    CLOSURE
    • Publication number 20230213724
    • Publication date Jul 6, 2023
    • Nippon Telegraph and Telephone Corporation
    • Akira SAKURAI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CABLE LAYING METHOD
    • Publication number 20230204896
    • Publication date Jun 29, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuta MARUO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CABLE AND OPTICAL CABLE MANUFACTURING METHOD
    • Publication number 20230152548
    • Publication date May 18, 2023
    • FUJIKURA LTD.
    • Masatoshi Ohno
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL CABLE LAYING METHOD
    • Publication number 20230073123
    • Publication date Mar 9, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yusuke YAMADA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20220155547
    • Publication date May 19, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuta Maruo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20200209505
    • Publication date Jul 2, 2020
    • FUJIKURA LTD.
    • Masatoshi Ohno
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20190227248
    • Publication date Jul 25, 2019
    • FUJIKURA LTD.
    • Mizuki Isaji
    • G02 - OPTICS