TREA

Masamichi Ishihara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of securing corona ring
    • Patent number 5,834,703
    • Issue date Nov 10, 1998
    • NGK Insulators, Ltd.
    • Shuji Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Corona control ring having elongated water discharge holes
    • Patent number 5,705,775
    • Issue date Jan 6, 1998
    • NGK Insulators, Ltd.
    • Masamichi Ishihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Line arrester
    • Patent number 5,663,863
    • Issue date Sep 2, 1997
    • The Tokyo Electric Power Co., Inc.
    • Takashi Ohashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Superconducting fault current limiter
    • Patent number 5,546,261
    • Issue date Aug 13, 1996
    • NGK Insulators, Ltd.
    • Shinji Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER