TREA

Masaaki Furuhashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Testing method for optical fiber
    • Patent number 5,933,227
    • Issue date Aug 3, 1999
    • Ando Electric Co., Ltd.
    • Masaaki Furuhashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical pulse tester
    • Patent number 5,870,184
    • Issue date Feb 9, 1999
    • Ando Electric Co., Ltd.
    • Masaaki Furuhashi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Light pulse generator
    • Patent number 5,596,449
    • Issue date Jan 21, 1997
    • Ando Electric Co., Ltd.
    • Masaaki Furuhashi
    • G02 - OPTICS
  • Information Patent Grant

    Optical masking apparatus
    • Patent number 5,557,401
    • Issue date Sep 17, 1996
    • Ando Electric Co., Ltd.
    • Mikio Maeda
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical time domain reflectometer having shortened dead zone
    • Patent number 5,408,310
    • Issue date Apr 18, 1995
    • Ando Electric Co., Ltd.
    • Masaaki Furuhashi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    High power light pulse generator
    • Patent number 5,233,619
    • Issue date Aug 3, 1993
    • Ando Electric Co., Ltd.
    • Masaaki Furuhashi
    • G02 - OPTICS