TREA

Toyokazu Tanaka

Follow

Person

  • Hitachi-shi, Ibaraki-ken, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas insulated switchgear
    • Patent number 6,759,616
    • Issue date Jul 6, 2004
    • Hitachi, Ltd.
    • Toshiaki Rokunohe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas insulated switchgear
    • Patent number 6,680,453
    • Issue date Jan 20, 2004
    • Hitachi, Ltd.
    • Toshiaki Rokunohe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas insulated switchgear
    • Patent number 6,469,270
    • Issue date Oct 22, 2002
    • Hitachi, Ltd.
    • Takashi Omori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas insulated switchgear equipment including a bypass bus and bypas...
    • Patent number 5,625,530
    • Issue date Apr 29, 1997
    • Hitachi, Ltd.
    • Yoshiaki Inami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Compressed gas insulation switchgear
    • Patent number 5,559,669
    • Issue date Sep 24, 1996
    • Yoshiaki Inami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Receiving and transforming apparatus
    • Patent number 5,548,476
    • Issue date Aug 20, 1996
    • Hitachi, Ltd.
    • Toyokazu Tanaka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Receiving and transforming apparatus
    • Patent number 5,450,281
    • Issue date Sep 12, 1995
    • Hitachi, Ltd.
    • Toyokazu Tanaka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Customer's power receiving and transforming system
    • Patent number 5,210,679
    • Issue date May 11, 1993
    • Hitachi, Ltd.
    • Manabu Takamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents