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Masahiro Hasegawa

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber cutting apparatus
    • Patent number 10,338,314
    • Issue date Jul 2, 2019
    • Sei Optifrontier Co., Ltd.
    • Shinsuke Kurino
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Optical fiber cutter
    • Patent number 9,678,274
    • Issue date Jun 13, 2017
    • Sei Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Optical fiber cutter
    • Patent number 9,395,492
    • Issue date Jul 19, 2016
    • Sei Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Optical fiber cutter, and optical fiber cutter unit
    • Patent number 9,229,166
    • Issue date Jan 5, 2016
    • Sei Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber jacket remover
    • Patent number 9,075,196
    • Issue date Jul 7, 2015
    • Sumitomo Electric Industries, Ltd.
    • Toshihiko Homma
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Fiber cleaver
    • Patent number 9,016,535
    • Issue date Apr 28, 2015
    • SEI Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Grant

    Method for reinforcing a splice part and reinforcing structure
    • Patent number 9,004,781
    • Issue date Apr 14, 2015
    • Sumitomo Electric Industries, Ltd.
    • Toshihiko Homma
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber cutter storage case
    • Patent number 8,960,428
    • Issue date Feb 24, 2015
    • SEI Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber cutter
    • Patent number D694602
    • Issue date Dec 3, 2013
    • SEI Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Pushing part for an optical fiber cutter
    • Patent number D692739
    • Issue date Nov 5, 2013
    • SEI Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Cutter blade assembly for an optical fiber cutter
    • Patent number D692740
    • Issue date Nov 5, 2013
    • SEI Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Carrying case for an optical fiber cutter
    • Patent number D657953
    • Issue date Apr 24, 2012
    • Sumitomo Electric Industries, Ltd.
    • Masahiro Hasegawa
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Optical fiber jacket stripper
    • Patent number D641600
    • Issue date Jul 19, 2011
    • Sumitomo Electric Industries, Ltd.
    • Masakazu Fukuda
    • D08 - Tools and hardware
  • Information Patent Grant

    Optical fiber connecting tool
    • Patent number 7,412,145
    • Issue date Aug 12, 2008
    • Sumitomo Electric Industries, Ltd.
    • Toshihiko Honma
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL FIBER CUTTER
    • Publication number 20190064440
    • Publication date Feb 28, 2019
    • SEI Optifrontier Co., Ltd.
    • Tsuyoshi TADA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CUTTING APPARATUS
    • Publication number 20170235051
    • Publication date Aug 17, 2017
    • SEI Optifrontier Co., Ltd.
    • Shinsuke KURINO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CUTTER
    • Publication number 20140151425
    • Publication date Jun 5, 2014
    • Sumitomo Electric Industries, Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CUTTER
    • Publication number 20140000434
    • Publication date Jan 2, 2014
    • SEI Optifrontier Co., Ltd.
    • Masahiro Hasegawa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    OPTICAL FIBER CUTTER, AND OPTICAL FIBER CUTTER UNIT
    • Publication number 20130255084
    • Publication date Oct 3, 2013
    • Sumitomo Electric Industries, Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Application

    FIBER CLEAVER
    • Publication number 20130075440
    • Publication date Mar 28, 2013
    • Sumitomo Electric Industries, Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER CUTTER STORAGE CASE
    • Publication number 20130056376
    • Publication date Mar 7, 2013
    • Sumitomo Electric Industries, Ltd.
    • Masahiro Hasegawa
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FIBER JACKET REMOVER
    • Publication number 20120279359
    • Publication date Nov 8, 2012
    • SEI OPTIFRONTIER CO., LTD.
    • Toshihiko Homma
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    METHOD FOR REINFORCING A SPLICE PART AND REINFORCING STRUCTURE
    • Publication number 20120170899
    • Publication date Jul 5, 2012
    • Nippon Telegraph and Telephone East Corporation
    • Toshihiko Homma
    • G02 - OPTICS
  • Information Patent Application

    Optical fiber connecting tool
    • Publication number 20060153515
    • Publication date Jul 13, 2006
    • Toshihiko Honma
    • G02 - OPTICS