TREA

Hisashi Izumita

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

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

    FIBER OPTIC CABLE GRIPPING DEVICE
    • Publication number 20230076354
    • Publication date Mar 9, 2023
    • Nippon Telegraph and Telephone Corporation
    • Akira SAKURAI
    • 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, AND DEVICE AND METHOD FOR MANUFACTURING OPTICA...
    • Publication number 20210132314
    • Publication date May 6, 2021
    • Nippon Telegraph and Telephone Corporation
    • Masashi KIKUCHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CABLE
    • Publication number 20210124113
    • Publication date Apr 29, 2021
    • Nippon Telegraph and Telephone Corporation
    • Yusuke YAMADA
    • G02 - OPTICS
  • Information Patent Application

    Optical fiber cord
    • Publication number 20050069273
    • Publication date Mar 31, 2005
    • Fuminori Nakajima
    • G02 - OPTICS
  • Information Patent Application

    Optical element module
    • Publication number 20040202434
    • Publication date Oct 14, 2004
    • Nobuo Tomita
    • G02 - OPTICS