TREA

Masanori TSUKUSHI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas circuit breaker
    • Patent number 9,892,875
    • Issue date Feb 13, 2018
    • Hitachi, Ltd.
    • Daisuke Nomura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer-type gas circuit-breaker
    • Patent number 9,058,947
    • Issue date Jun 16, 2015
    • Hitachi, Ltd.
    • Noriyuki Yaginuma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker provided with parallel capacitor
    • Patent number 9,035,729
    • Issue date May 19, 2015
    • Hitachi, Ltd.
    • Daisuke Nomura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 8,957,341
    • Issue date Feb 17, 2015
    • Hitachi, Ltd.
    • Wei Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,850,065
    • Issue date Dec 15, 1998
    • Hitachi, Ltd.
    • Noriyuki Yaginuma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer type gas breaker
    • Patent number 5,793,597
    • Issue date Aug 11, 1998
    • Hitachi, Ltd.
    • Eisaku Mizufune
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Transformer station and breaker apparatus
    • Patent number 5,777,842
    • Issue date Jul 7, 1998
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker with parallel resistor
    • Patent number 5,567,924
    • Issue date Oct 22, 1996
    • Hitachi, Ltd.
    • Makoto Yano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Grounding switch gear device
    • Patent number 5,543,597
    • Issue date Aug 6, 1996
    • Hitachi, Ltd.
    • Atsuji Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch mechanism
    • Patent number 5,502,290
    • Issue date Mar 26, 1996
    • Hitachi, Ltd.
    • Osamu Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas blast, puffer type circuit breaker with improved nozzle
    • Patent number 5,274,205
    • Issue date Dec 28, 1993
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer-type gas circuit breaker
    • Patent number 5,229,561
    • Issue date Jul 20, 1993
    • Hitachi, Ltd.
    • Yasuharu Seki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,159,164
    • Issue date Oct 27, 1992
    • Hitachi, Ltd.
    • Osamu Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer type gas circuit interrupter
    • Patent number 5,155,312
    • Issue date Oct 13, 1992
    • Hitachi, Ltd.
    • Akira Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,153,397
    • Issue date Oct 6, 1992
    • Hitachi, Ltd.
    • Yasuharu Seki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,151,566
    • Issue date Sep 29, 1992
    • Hitachi, Ltd.
    • Osamu Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer type gas circuit breaker, contact cover and insulated nozzle...
    • Patent number 5,079,391
    • Issue date Jan 7, 1992
    • Hitachi, Ltd.
    • Osamu Koyanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,079,392
    • Issue date Jan 7, 1992
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,072,084
    • Issue date Dec 10, 1991
    • Hitachi, Ltd.
    • Yasuharu Seki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch
    • Patent number 5,045,651
    • Issue date Sep 3, 1991
    • Hitachi, Ltd.
    • Takahide Seki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,039,831
    • Issue date Aug 13, 1991
    • Hitachi, Ltd.
    • Minori Sato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Three-phase common container-type circuit breaker
    • Patent number 5,012,051
    • Issue date Apr 30, 1991
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switch operation monitoring apparatus
    • Patent number 4,864,286
    • Issue date Sep 5, 1989
    • Hitachi, Ltd.
    • Youichi Ohshita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker of resistance breaking type
    • Patent number 4,423,298
    • Issue date Dec 27, 1983
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Grounded support tank type gas circuit breaker
    • Patent number 4,239,948
    • Issue date Dec 16, 1980
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic puffer type gas circuit breaker
    • Patent number 4,211,903
    • Issue date Jul 8, 1980
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic puffer type gas circuit breaker
    • Patent number 4,105,879
    • Issue date Aug 8, 1978
    • Hitachi, Ltd.
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Gas Circuit Breaker
    • Publication number 20170148591
    • Publication date May 25, 2017
    • Hitachi, Ltd
    • Daisuke NOMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PUFFER TYPE GAS CIRCUIT BREAKER
    • Publication number 20140190938
    • Publication date Jul 10, 2014
    • Masanori Tsukushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Gas Circuit Breaker
    • Publication number 20140144883
    • Publication date May 29, 2014
    • Hitachi, Ltd
    • Hisashi URASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Gas Circuit Breaker Provided with Parallel Capacitor
    • Publication number 20140146422
    • Publication date May 29, 2014
    • Hitachi, Ltd
    • Daisuke NOMURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Three-Phase Circuit-Breaker
    • Publication number 20140146433
    • Publication date May 29, 2014
    • Hitachi, Ltd
    • Hideaki UCHIYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PUFFER-TYPE GAS CIRCUIT-BREAKER
    • Publication number 20130168357
    • Publication date Jul 4, 2013
    • Hitachi, Ltd
    • Noriyuki YAGINUMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GAS CIRCUIT BREAKER
    • Publication number 20130161290
    • Publication date Jun 27, 2013
    • Hitachi, Ltd
    • Wei ZHANG
    • H01 - BASIC ELECTRIC ELEMENTS