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Taeko Tsubokura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnet structure
    • Patent number 11,817,241
    • Issue date Nov 14, 2023
    • TDK Corporation
    • Taeko Tsubokura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 11,742,119
    • Issue date Aug 29, 2023
    • TDK Corporation
    • Masashi Miwa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 11,636,962
    • Issue date Apr 25, 2023
    • TDK Corporation
    • Masashi Miwa
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for manufacturing R-T-B permanent magnet
    • Patent number 11,404,207
    • Issue date Aug 2, 2022
    • TDK Corporation
    • Taeko Tsubokura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Magnet structure
    • Patent number 11,335,483
    • Issue date May 17, 2022
    • TDK Corporation
    • Taeko Tsubokura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    R-T-B permanent magnet
    • Patent number 11,244,777
    • Issue date Feb 8, 2022
    • TDK Corporation
    • Takeshi Masuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 11,242,580
    • Issue date Feb 8, 2022
    • TDK Corporation
    • Taeko Tsubokura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare earth based magnet
    • Patent number 10,546,672
    • Issue date Jan 28, 2020
    • TDK Corporation
    • Eiji Kato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare earth based magnet
    • Patent number 10,109,402
    • Issue date Oct 23, 2018
    • TDK Corporation
    • Eiji Kato
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Rare earth based magnet
    • Patent number 10,096,412
    • Issue date Oct 9, 2018
    • TDK Corporation
    • Eiji Kato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare earth based magnet
    • Patent number 10,020,099
    • Issue date Jul 10, 2018
    • TDK Corporation
    • Eiji Kato
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Sintered magnet
    • Patent number 9,997,284
    • Issue date Jun 12, 2018
    • TDK Corporation
    • Masashi Miwa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    R-T-B based alloy strip, and R-T-B based sintered magnet and method...
    • Patent number 9,620,268
    • Issue date Apr 11, 2017
    • TDK Corporation
    • Taeko Tsubokura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    R-T-B based sintered magnet and production method for same, and rot...
    • Patent number 9,613,737
    • Issue date Apr 4, 2017
    • TDK Corporation
    • Eiji Kato
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    R-T-B based alloy strip, and R-T-B based sintered magnet and method...
    • Patent number 9,607,742
    • Issue date Mar 28, 2017
    • TDK Corporation
    • Tamotsu Ishiyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Rare earth based magnet
    • Patent number 9,548,149
    • Issue date Jan 17, 2017
    • TDK Corporation
    • Eiji Kato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare earth magnet
    • Patent number 8,152,936
    • Issue date Apr 10, 2012
    • TDK Corporation
    • Taeko Tsubokura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Piezoelectric ceramic and piezoelectric device using same
    • Patent number 6,391,814
    • Issue date May 21, 2002
    • TDK Corporation
    • Taeko Tsubokura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Piezoelectric ceramics
    • Patent number 6,090,306
    • Issue date Jul 18, 2000
    • TDK Corporation
    • Taeko Tsubokura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20210313099
    • Publication date Oct 7, 2021
    • TDK Corporation
    • Masashi MIWA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20210304929
    • Publication date Sep 30, 2021
    • TDK Corporation
    • Masashi MIWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MAGNET STRUCTURE
    • Publication number 20210280345
    • Publication date Sep 9, 2021
    • TDK Corporation
    • Taeko TSUBOKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20200299813
    • Publication date Sep 24, 2020
    • TDK Corporation
    • Taeko Tsubokura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20200303100
    • Publication date Sep 24, 2020
    • TDK Corporation
    • Taeko Tsubokura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    R-T-B PERMANENT MAGNET
    • Publication number 20200176155
    • Publication date Jun 4, 2020
    • TDK Corporation
    • Takeshi MASUDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR MANUFACTURING R-T-B PERMANENT MAGNET
    • Publication number 20200176184
    • Publication date Jun 4, 2020
    • TDK Corporation
    • Taeko TSUBOKURA
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    METHOD OF PROCESSING RARE EARTH MAGNET
    • Publication number 20190255618
    • Publication date Aug 22, 2019
    • TDK Corporation
    • Takeshi MASUDA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    MAGNET STRUCTURE
    • Publication number 20190115125
    • Publication date Apr 18, 2019
    • TDK Corporation
    • Taeko TSUBOKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RARE EARTH BASED MAGNET
    • Publication number 20150310972
    • Publication date Oct 29, 2015
    • TDK Corporation
    • Eiji KATO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    RARE EARTH BASED MAGNET
    • Publication number 20150270041
    • Publication date Sep 24, 2015
    • TDK Corporation
    • Eiji KATO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SINTERED MAGNET
    • Publication number 20150170810
    • Publication date Jun 18, 2015
    • TDK Corporation
    • Masashi Miwa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    R-T-B BASED ALLOY STRIP, AND R-T-B BASED SINTERED MAGNET AND METHOD...
    • Publication number 20140308152
    • Publication date Oct 16, 2014
    • Taeko Tsubokura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    RARE EARTH BASED MAGNET
    • Publication number 20140292453
    • Publication date Oct 2, 2014
    • Eiji KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RARE EARTH BASED MAGNET
    • Publication number 20140290803
    • Publication date Oct 2, 2014
    • Eiji KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RARE EARTH BASED MAGNET
    • Publication number 20140292454
    • Publication date Oct 2, 2014
    • Eiji KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    R-T-B BASED ALLOY STRIP, AND R-T-B BASED SINTERED MAGNET AND METHOD...
    • Publication number 20140286815
    • Publication date Sep 25, 2014
    • TDK Corporation
    • Tamotsu Ishiyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    R-T-B BASED SINTERED MAGNET AND PRODUCTION METHOD FOR SAME, AND ROT...
    • Publication number 20140286816
    • Publication date Sep 25, 2014
    • TDK Corporation
    • Eiji Kato
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    R-T-B SINTERED MAGNET AND METHOD FOR PRODUCTION THEREOF, AND ROTARY...
    • Publication number 20140247100
    • Publication date Sep 4, 2014
    • TDK Corporation
    • Taeko Tsubokura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    RARE EARTH MAGNET
    • Publication number 20100233016
    • Publication date Sep 16, 2010
    • TDK CORPORATION
    • Taeko Tsubokura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Method for producing oxide magnetic material based on permanent magnet
    • Publication number 20040046152
    • Publication date Mar 11, 2004
    • Taeko Tsubokura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES