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Masaaki Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rare-earth magnet and method of manufacturing the same
    • Patent number 12,217,907
    • Issue date Feb 4, 2025
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rare earth magnet and production method thereof
    • Patent number 12,191,059
    • Issue date Jan 7, 2025
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Sm—Fe—N-based magnetic material and manufacturing method thereof
    • Patent number 12,080,455
    • Issue date Sep 3, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke Ichigozaki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of producing SmFeN-based rare earth magnet
    • Patent number 12,027,306
    • Issue date Jul 2, 2024
    • Nichia Corporation
    • Hisashi Maehara
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method of producing SmFeN-based rare earth magnet
    • Patent number 12,027,294
    • Issue date Jul 2, 2024
    • Nichia Corporation
    • Hisashi Maehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare earth magnet and production method thereof
    • Patent number 11,990,260
    • Issue date May 21, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Sm—Fe—N-based magnetic material and manufacturing method thereof
    • Patent number 11,935,676
    • Issue date Mar 19, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke Ichigozaki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for producing silica sol
    • Patent number 11,767,224
    • Issue date Sep 26, 2023
    • FUJIMI INCORPORATED
    • Yusuke Kawasaki
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for manufacturing Halbach magnet array
    • Patent number 11,735,345
    • Issue date Aug 22, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Keiu Kanada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Axial gap motor with curved rotor and stator cores
    • Patent number 11,711,004
    • Issue date Jul 25, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Keiu Kanada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor
    • Patent number 11,682,936
    • Issue date Jun 20, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke Ichigozaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Axial gap motor
    • Patent number 11,594,946
    • Issue date Feb 28, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Kazuaki Haga
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method for producing silica sol
    • Patent number 11,518,682
    • Issue date Dec 6, 2022
    • FUJIMI INCORPORATED
    • Yusuke Kawasaki
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Production method of rare earth magnet
    • Patent number 11,087,922
    • Issue date Aug 10, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for producing silica sol
    • Patent number 11,001,501
    • Issue date May 11, 2021
    • FUJIMI INCORPORATED
    • Keiji Ashitaka
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Motor control method
    • Patent number 10,910,987
    • Issue date Feb 2, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Noritsugu Sakuma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare earth magnet and method of producing the same
    • Patent number 10,892,076
    • Issue date Jan 12, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rare-earth magnet and method for manufacturing same
    • Patent number 10,748,684
    • Issue date Aug 18, 2020
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for producing silica sol
    • Patent number 10,604,411
    • Issue date Mar 31, 2020
    • Fujimi Incorporated
    • Keiji Ashitaka
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Rare-earth magnet and method for manufacturing same
    • Patent number 10,468,165
    • Issue date Nov 5, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rare-earth magnet and method for manufacturing same
    • Patent number 10,424,426
    • Issue date Sep 24, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Magnetic compound and method of producing the same
    • Patent number 10,351,935
    • Issue date Jul 16, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Noritsugu Sakuma
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Alumina-based ceramic composition
    • Patent number 4,866,016
    • Issue date Sep 12, 1989
    • NGK Spark Plug Co., Ltd.
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Metallizing composition on alumina porcelain
    • Patent number 4,783,380
    • Issue date Nov 8, 1988
    • NGK Spark Plug Co., Ltd
    • Yukito Nakayama
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina ceramic body
    • Patent number 4,735,926
    • Issue date Apr 5, 1988
    • NGK Spark Plug Co., Ltd.
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina porcelain compositions
    • Patent number 4,720,471
    • Issue date Jan 19, 1988
    • NGK Spark Plug Co., Ltd.
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina ceramic composition
    • Patent number 4,668,646
    • Issue date May 26, 1987
    • NGK Spark Plug Co., Ltd.
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Dielectric porcelain material
    • Patent number 4,643,985
    • Issue date Feb 17, 1987
    • NGK Spark Plug Co., Ltd.
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina porcelain composition
    • Patent number 4,614,725
    • Issue date Sep 30, 1986
    • NGK Spark Plug Co., Ltd
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina porcelain compositions
    • Patent number 4,601,991
    • Issue date Jul 22, 1986
    • NGK Spark Plug Co., Ltd.
    • Minato Ando
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    POLISHING COMPOSITION AND POLISHING METHOD
    • Publication number 20250002756
    • Publication date Jan 2, 2025
    • Fujimi Incorporated
    • Shota Suzuki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    METHOD OF PRODUCING SmFeN-BASED RARE EARTH MAGNET
    • Publication number 20240312704
    • Publication date Sep 19, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Tomonori INUZUKA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    SILICA SOL
    • Publication number 20240262698
    • Publication date Aug 8, 2024
    • FUJIMI INCORPORATED
    • Shogo TSUBOTA
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    METHOD FOR MANUFACTURING SILICA SOL
    • Publication number 20240199432
    • Publication date Jun 20, 2024
    • FUJIMI INCORPORATED
    • Masaaki ITO
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    SmFeN BASED RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
    • Publication number 20240161975
    • Publication date May 16, 2024
    • Nichia Corporation.
    • Hisashi MAEHARA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    METHOD OF PRODUCING RARE EARTH MAGNETIC POWDER AND RARE EARTH MAGNE...
    • Publication number 20240062936
    • Publication date Feb 22, 2024
    • Nichia Corporation.
    • Hisashi MAEHARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PRODUCTION METHOD OF RARE EARTH MAGNET
    • Publication number 20230317327
    • Publication date Oct 5, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki ITO
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    AXIAL GAP MOTOR WITH CURVED ROTOR AND STATOR CORES
    • Publication number 20230318423
    • Publication date Oct 5, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Keiu KANADA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SULFONIC ACID-MODIFIED COLLOIDAL SILICA
    • Publication number 20230313011
    • Publication date Oct 5, 2023
    • FUJIMI INCORPORATED
    • Shogo TSUBOTA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
    • Publication number 20230162898
    • Publication date May 25, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki ITO
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
    • Publication number 20230162913
    • Publication date May 25, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki ITO
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
    • Publication number 20230139716
    • Publication date May 4, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki ITO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD OF PRODUCING SmFeN-BASED RARE EARTH MAGNET
    • Publication number 20230105234
    • Publication date Apr 6, 2023
    • Nichia Corporation.
    • Hisashi MAEHARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR PRODUCING SILICA SOL
    • Publication number 20230056027
    • Publication date Feb 23, 2023
    • FUJIMI INCORPORATED
    • Yusuke KAWASAKI
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    SURFACE-MODIFIED COLLOIDAL SILICA AND POLISHING COMPOSITION CONTAIN...
    • Publication number 20230016801
    • Publication date Jan 19, 2023
    • FUJIMI INCORPORATED
    • Shogo TSUBOTA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    METHOD OF PRODUCING SmFeN-BASED RARE EARTH MAGNET
    • Publication number 20220399163
    • Publication date Dec 15, 2022
    • Nichia Corporation.
    • Hisashi MAEHARA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    METHOD FOR MANUFACTURING HALBACH MAGNET ARRAY
    • Publication number 20220384083
    • Publication date Dec 1, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Keiu Kanada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MOTOR
    • Publication number 20220337108
    • Publication date Oct 20, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Reimi SAKAGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MANUFACTURING METHOD FOR RARE EARTH MAGNET
    • Publication number 20220246336
    • Publication date Aug 4, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke ICHIGOZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RARE EARTH MAGNET AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20220203440
    • Publication date Jun 30, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Mayumi TAKAZAWA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    RARE-EARTH MAGNET AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20220199321
    • Publication date Jun 23, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Masaaki ITO
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    MOTOR
    • Publication number 20220140675
    • Publication date May 5, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke ICHIGOZAKI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    RARE EARTH MAGNET AND MANUFACTURING METHOD THEREFOR
    • Publication number 20220139601
    • Publication date May 5, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Noritsugu SAKUMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Sm-Fe-N-BASED MAGNETIC MATERIAL AND MANUFACTURING METHOD THEREOF
    • Publication number 20220093298
    • Publication date Mar 24, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke ICHIGOZAKI
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Sm-Fe-N-BASED MAGNETIC MATERIAL AND MANUFACTURING METHOD THEREOF
    • Publication number 20220093297
    • Publication date Mar 24, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke ICHIGOZAKI
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    AXIAL GAP MOTOR
    • Publication number 20210328489
    • Publication date Oct 21, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Kazuaki HAGA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AXIAL GAP MOTOR
    • Publication number 20210328490
    • Publication date Oct 21, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Keiu KANADA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PRODUCTION METHOD OF RARE EARTH MAGNET
    • Publication number 20210272751
    • Publication date Sep 2, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Daisuke ICHIGOZAKI
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    METHOD FOR PRODUCING SILICA SOL
    • Publication number 20210087067
    • Publication date Mar 25, 2021
    • FUJIMI INCORPORATED
    • Keiji ASHITAKA
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    METHOD FOR PRODUCING SILICA SOL
    • Publication number 20200308009
    • Publication date Oct 1, 2020
    • FUJIMI INCORPORATED
    • Yusuke KAWASAKI
    • C01 - INORGANIC CHEMISTRY