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Hidefumi Kishimoto
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Shizuoka-ken, JP
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Patents Grants
last 30 patents
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
Soft magnetic material and method for producing the same
Patent number
11,078,561
Issue date
Aug 3, 2021
Toyota Jidosha Kabushiki Kaisha
Kiyotaka Onodera
H01 - BASIC ELECTRIC ELEMENTS
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
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
Permanent magnet source powder fabrication method, permanent magnet...
Patent number
10,464,132
Issue date
Nov 5, 2019
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
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
Rare-earth nanocomposite magnet
Patent number
10,090,090
Issue date
Oct 2, 2018
Toyota Jidosha Kabushiki Kaisha
Hidefumi Kishimoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare-earth nanocomposite magnet
Patent number
9,818,520
Issue date
Nov 14, 2017
Toyota Jidosha Kabushiki Kaisha
Hidefumi Kishimoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing rare earth magnets, and rare earth magnets
Patent number
9,761,358
Issue date
Sep 12, 2017
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing sintered rare-earth magnet, sintered rare-eart...
Patent number
9,640,305
Issue date
May 2, 2017
Toyota Jidosha Kabushiki Kaisha
Tetsuya Shoji
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Production method of rare earth magnet
Patent number
9,520,230
Issue date
Dec 13, 2016
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Insulation film, powder for magnetic core and powder magnetic core...
Patent number
7,029,769
Issue date
Apr 18, 2006
Kabushiki Kaisha Toyota Chuo Kenkyusho
Shin Tajima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
MOTOR CONTROL METHOD
Publication number
20200036322
Publication date
Jan 30, 2020
Toyota Jidosha Kabushiki Kaisha
Noritsugu SAKUMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SOFT MAGNETIC MATERIAL AND METHOD FOR PRODUCING THE SAME
Publication number
20190368019
Publication date
Dec 5, 2019
Toyota Jidosha Kabushiki Kaisha
Kiyotaka ONODERA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE-EARTH MAGNET AND METHOD FOR MANUFACTURING SAME
Publication number
20190362870
Publication date
Nov 28, 2019
Toyota Jidosha Kabushiki Kaisha
Masaaki ITO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PRODUCTION METHOD OF RARE EARTH MAGNET
Publication number
20180308633
Publication date
Oct 25, 2018
Toyota Jidosha Kabushiki Kaisha
Masaaki ITO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
Publication number
20180182515
Publication date
Jun 28, 2018
Toyota Jidosha Kabushiki Kaisha
Masaaki ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH MAGNET
Publication number
20180182516
Publication date
Jun 28, 2018
Toyota Jidosha Kabushiki Kaisha
Masaaki ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH MAGNET AND METHOD OF PRODUCING THE SAME
Publication number
20180182519
Publication date
Jun 28, 2018
Toyota Jidosha Kabushiki Kaisha
Masaaki Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RARE-EARTH NANOCOMPOSITE MAGNET
Publication number
20180040404
Publication date
Feb 8, 2018
Toyota Jidosha Kabushiki Kaisha
Hidefumi KISHIMOTO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE-EARTH MAGNET AND METHOD FOR MANUFACTURING SAME
Publication number
20160141083
Publication date
May 19, 2016
TOYOTA JIDOSHA KABUSHIKI KAISHA
Masaaki ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PERMANENT MAGNET SOURCE POWDER FABRICATION METHOD, PERMANENT MAGNET...
Publication number
20160074936
Publication date
Mar 17, 2016
TOYOTA JIDOSHA KABUSHIKI KAISHA
Noritsugu SAKUMA
C21 - METALLURGY OF IRON
Information
Patent Application
MAGNETIC COMPOUND AND METHOD OF PRODUCING THE SAME
Publication number
20160071635
Publication date
Mar 10, 2016
Toyota Jidosha Kabushiki Kaisha
Noritsugu SAKUMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE-EARTH NANOCOMPOSITE MAGNET
Publication number
20150008998
Publication date
Jan 8, 2015
National Institute for Materials Science
Hidefumi Kishimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING MAGNETIC POWDER FOR FORMING SINTERED BODY THAT...
Publication number
20140260800
Publication date
Sep 18, 2014
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SINTERED BODY THAT IS PRECURSOR OF RARE-EARTH MAGNET, AND METHOD FO...
Publication number
20140238553
Publication date
Aug 28, 2014
TOYOTA JIDOSHA KABUSHIKI KAISHA
Noritsugu Sakuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING RARE EARTH MAGNETS, AND RARE EARTH MAGNETS
Publication number
20140191833
Publication date
Jul 10, 2014
Noritsugu Sakuma
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCTION OF RARE EARTH MAGNETIC ALLOY RIBBON
Publication number
20140116577
Publication date
May 1, 2014
Toyota Jidosha Kabushiki Kaisha
Noritsugu SAKUMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PRODUCTION METHOD OF RARE EARTH MAGNET
Publication number
20130248754
Publication date
Sep 26, 2013
TOYOTA JIDOSHA KABUSHIKI KAISHA
Noritsugu Sakuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING SINTERED RARE-EARTH MAGNET, SINTERED RARE-EART...
Publication number
20130092867
Publication date
Apr 18, 2013
Toyota Jidosha Kabushiki Kaisha
Tetsuya Shoji
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD FOR PRODUCTION OF NdFeBCu MAGNET AND NdFeBCu MAGNET MATERIAL
Publication number
20110318215
Publication date
Dec 29, 2011
Hidefumi Kishimoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCTION OF NDFEBGA MAGNET AND NDFEBGA MAGNET MATERIAL
Publication number
20110286878
Publication date
Nov 24, 2011
Hidefumi Kishimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PERMANENT MAGNET AND METHOD OF PRODUCING PERMANENT MAGNET
Publication number
20100321139
Publication date
Dec 23, 2010
Tetsuya Shoji
B22 - CASTING POWDER METALLURGY
Information
Patent Application
POWDER FOR MAGNETIC CORE, POWDER MAGNETIC CORE AND THEIR PRODUCTION...
Publication number
20100266861
Publication date
Oct 21, 2010
Toyota Jidosha Kabushiki Kaisha
Shin Tajima
C21 - METALLURGY OF IRON
Information
Patent Application
Low Magnetostrictive Body and Dust Core Using the Same
Publication number
20090220372
Publication date
Sep 3, 2009
Takeshi Hattori
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Insulation film, powder for magnetic core and powder magnetic core...
Publication number
20030230362
Publication date
Dec 18, 2003
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
Shin Tajima
H01 - BASIC ELECTRIC ELEMENTS