TREA

Kumi Uchiyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum valve
    • Patent number 6,426,475
    • Issue date Jul 30, 2002
    • Kabushiki Kaisha Toshiba
    • Kenji Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum valve
    • Patent number 6,376,791
    • Issue date Apr 23, 2002
    • Kabushiki Kaisha Toshiba
    • Kenji Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode arrangement of vacuum circuit breaker with magnetic membe...
    • Patent number 6,080,952
    • Issue date Jun 27, 2000
    • Kabushiki Kaisha Toshiba
    • Tsutomu Okutomi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM VALVE
    • Publication number 20020050485
    • Publication date May 2, 2002
    • Kenji Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Vacuum valve
    • Publication number 20010030174
    • Publication date Oct 18, 2001
    • Kenji Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS