TREA

Yumiko Takahashi

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  • Koshigaya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrogen-storage alloy and alkali secondary battery using same
    • Patent number 6,030,724
    • Issue date Feb 29, 2000
    • Kabushiki Kaisha Toshiba
    • Takao Sawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic core
    • Patent number 5,804,282
    • Issue date Sep 8, 1998
    • Kabushiki Kaisha Toshiba
    • Yumie Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic core
    • Patent number 5,622,768
    • Issue date Apr 22, 1997
    • Kabushiki Kaishi Toshiba
    • Yumie Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fe-based soft magnetic alloy, method of producing same and magnetic...
    • Patent number 5,522,948
    • Issue date Jun 4, 1996
    • Kabushiki Kaisha Toshiba
    • Takao Sawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Fe-based soft magnetic alloy
    • Patent number 5,192,375
    • Issue date Mar 9, 1993
    • Kabushiki Kaisha Toshiba
    • Takao Sawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Fe-based soft magnetic alloy
    • Patent number 5,019,190
    • Issue date May 28, 1991
    • Kabushiki Kaisha Toshiba
    • Takao Sawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...