Noritsugu SAKUMA

Person

Mishima-shi, JP

People

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
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
Magnetic material and manufacturing method thereof
- Patent number 11,996,219
- Issue date May 28, 2024
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
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
Rare earth magnet and producing method thereof
- Patent number 11,869,690
- Issue date Jan 9, 2024
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth magnets
- Patent number 11,721,479
- Issue date Aug 8, 2023
- Toyota Jidosha Kabushiki Kaisha
- Kazuya Yokota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth magnet and manufacturing method therefor
- Patent number 11,664,140
- Issue date May 30, 2023
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing motor core
- Patent number 11,522,420
- Issue date Dec 6, 2022
- Toyota Jidosha Kabushiki Kaisha
- Akihito Kinoshita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth magnet and production method thereof
- Patent number 11,476,020
- Issue date Oct 18, 2022
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- B22 - CASTING POWDER METALLURGY
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
Magnetic compound and production method thereof
- Patent number 10,937,577
- Issue date Mar 2, 2021
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- 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
Method of manufacturing rare earth magnet
- Patent number 10,347,418
- Issue date Jul 9, 2019
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth magnet
- Patent number 10,325,704
- Issue date Jun 18, 2019
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing rare earth magnet
- Patent number 10,242,795
- Issue date Mar 26, 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
Manufacturing method of rare-earth magnet
- Patent number 10,062,504
- Issue date Aug 28, 2018
- Toyota Jidosha Kabushiki Kaisha
- Kazuaki Haga
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing rare-earth magnet
- Patent number 10,056,177
- Issue date Aug 21, 2018
- 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 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
Method for manufacturing rare-earth magnet
- Patent number 9,257,227
- Issue date Feb 9, 2016
- Toyota Jidosha Kabushiki Kaisha
- Kazuaki Haga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing rare-earth magnet
- Patent number 9,230,733
- Issue date Jan 5, 2016
- Toyota Jidosha Kabushiki Kaisha
- Kazuaki Haga
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Sm-Fe-N-BASED MAGNETIC MATERIAL AND PRODUCTION METHOD THEREOF
- Publication number 20250201457
- Publication date Jun 19, 2025
- Toyota Jidosha Kabushiki Kaisha
- Tetsuya SHOJI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH MAGNET, METHOD FOR MANUFACTURING THE SAME, AND MOTOR INC...
- Publication number 20250095916
- Publication date Mar 20, 2025
- Toyota Jidosha Kabushiki Kaisha
- Tetsuya SHOJI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SM-FE-N-BASED MAGNETIC MATERIAL AND PRODUCTION METHOD THEREOF
- Publication number 20240355516
- Publication date Oct 24, 2024
- Toyota Jidosha Kabushiki Kaisha
- Tetsuya Shoji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
- Publication number 20240186036
- Publication date Jun 6, 2024
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE-EARTH ANISOTROPIC MAGNET POWDER, AND METHOD FOR PRODUCING SAME
- Publication number 20240153680
- Publication date May 9, 2024
- AICHI STEEL CORPORATION
- Ryo SHIMBO
- B22 - CASTING POWDER METALLURGY
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
RARE EARTH MAGNET AND PRODUCING METHOD THEREOF
- Publication number 20220301753
- Publication date Sep 22, 2022
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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 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
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
RARE EARTH MAGNET AND METHOD FOR PRODUCING THEREOF
- Publication number 20220130580
- Publication date Apr 28, 2022
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETIC MATERIAL AND MANUFACTURING METHOD THEREOF
- Publication number 20220102033
- Publication date Mar 31, 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
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
- Publication number 20210375515
- Publication date Dec 2, 2021
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH MAGNET AND MANUFACTURING METHOD THEREFOR
- Publication number 20210327620
- Publication date Oct 21, 2021
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
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
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
- Publication number 20210074455
- Publication date Mar 11, 2021
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH MAGNETS
- Publication number 20210065973
- Publication date Mar 4, 2021
- Toyota Jidosha Kabushiki Kaisha
- Kazuya YOKOTA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF PRODUCING MOTOR CORE
- Publication number 20200303998
- Publication date Sep 24, 2020
- Toyota Jidosha Kabushiki Kaisha
- Akihito KINOSHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
- Publication number 20200098496
- Publication date Mar 26, 2020
- Toyota Jidosha Kabushiki Kaisha
- Akihito KINOSHITA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
- Publication number 20200098497
- Publication date Mar 26, 2020
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- B22 - CASTING POWDER METALLURGY
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
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 AND PRODUCTION APPARATUS USE...
- Publication number 20190311826
- Publication date Oct 10, 2019
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF
- Publication number 20190006068
- Publication date Jan 3, 2019
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
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

Noritsugu SAKUMA

Person

Patents Grantslast 30 patents

Rare-earth magnet and method of manufacturing the same

Sm—Fe—N-based magnetic material and manufacturing method thereof

Magnetic material and manufacturing method thereof

Sm—Fe—N-based magnetic material and manufacturing method thereof

Rare earth magnet and producing method thereof

Rare earth magnets

Rare earth magnet and manufacturing method therefor

Method of producing motor core

Rare earth magnet and production method thereof

Production method of rare earth magnet

Magnetic compound and production method thereof

Motor control method

Rare earth magnet and method of producing the same

Rare-earth magnet and method for manufacturing same

Rare-earth magnet and method for manufacturing same

Permanent magnet source powder fabrication method, permanent magnet...

Rare-earth magnet and method for manufacturing same

Magnetic compound and method of producing the same

Method of manufacturing rare earth magnet

Rare earth magnet

Method of manufacturing rare earth magnet

Rare-earth nanocomposite magnet

Manufacturing method of rare-earth magnet

Method for producing rare-earth magnet

Rare-earth nanocomposite magnet

Method for producing rare earth magnets, and rare earth magnets

Method for producing sintered rare-earth magnet, sintered rare-eart...

Production method of rare earth magnet

Method for manufacturing rare-earth magnet

Method for manufacturing rare-earth magnet

Patents Applicationslast 30 patents

Sm-Fe-N-BASED MAGNETIC MATERIAL AND PRODUCTION METHOD THEREOF

RARE EARTH MAGNET, METHOD FOR MANUFACTURING THE SAME, AND MOTOR INC...

SM-FE-N-BASED MAGNETIC MATERIAL AND PRODUCTION METHOD THEREOF

R-T-B-BASED RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

RARE-EARTH ANISOTROPIC MAGNET POWDER, AND METHOD FOR PRODUCING SAME

PRODUCTION METHOD OF RARE EARTH MAGNET

RARE EARTH MAGNET AND PRODUCING METHOD THEREOF

MANUFACTURING METHOD FOR RARE EARTH MAGNET

RARE-EARTH MAGNET AND METHOD OF MANUFACTURING THE SAME

RARE EARTH MAGNET AND MANUFACTURING METHOD THEREFOR

RARE EARTH MAGNET AND METHOD FOR PRODUCING THEREOF

MAGNETIC MATERIAL AND MANUFACTURING METHOD THEREOF

Sm-Fe-N-BASED MAGNETIC MATERIAL AND MANUFACTURING METHOD THEREOF

Sm-Fe-N-BASED MAGNETIC MATERIAL AND MANUFACTURING METHOD THEREOF

RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

RARE EARTH MAGNET AND MANUFACTURING METHOD THEREFOR

PRODUCTION METHOD OF RARE EARTH MAGNET

RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

RARE EARTH MAGNETS

METHOD OF PRODUCING MOTOR CORE

RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

MOTOR CONTROL METHOD

RARE-EARTH MAGNET AND METHOD FOR MANUFACTURING SAME

PRODUCTION METHOD OF RARE EARTH MAGNET AND PRODUCTION APPARATUS USE...

RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

PRODUCTION METHOD OF RARE EARTH MAGNET

RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

RARE EARTH MAGNET

RARE EARTH MAGNET AND METHOD OF PRODUCING THE SAME