Ryoji Nakayama

Person

Omiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Iron powder coated with Mg-containing oxide film
- Patent number 9,269,481
- Issue date Feb 23, 2016
- Diamet Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron powder coated with Mg-containing oxide film
- Patent number 8,481,178
- Issue date Jul 9, 2013
- Diamet Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth magnet having high strength and high electrical resistance
- Patent number 8,481,179
- Issue date Jul 9, 2013
- Nissan Motor Co., Ltd.
- Katsuhiko Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing soft magnetic metal powder coated with Mg-cont...
- Patent number 8,409,371
- Issue date Apr 2, 2013
- Diamet Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth magnet having high strength and high electrical resistance
- Patent number 7,919,200
- Issue date Apr 5, 2011
- Nissan Motor Co., Ltd.
- Katsuhiko Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth magnet powder and method of producing the same
- Patent number 7,632,360
- Issue date Dec 15, 2009
- Nissan Motor Co., Ltd.
- Katsuhiko Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Flat soft magnetic metal powder and composite magnetic material inc...
- Patent number 7,622,012
- Issue date Nov 24, 2009
- Mitsubishi Materials Corporation
- Gakuji Uozumi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-Ni-Mo soft magnetic flaky powder and magnetic composite material...
- Patent number 7,575,645
- Issue date Aug 18, 2009
- Mitsubishi Materials Corporation
- Kazunori Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-Ni-Mo soft magnetic flaky powder and magnetic composite material...
- Patent number 7,497,914
- Issue date Mar 3, 2009
- Mitsubishi Materials Corporation
- Kazunori Igarashi
Information Patent Grant
Composite soft magnetic sintered material having high density and h...
- Patent number 7,371,271
- Issue date May 13, 2008
- Mitsubishi Materials PMG Corporation
- Kazunori Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a rare earth magnetic powder having high m...
- Patent number 5,993,732
- Issue date Nov 30, 1999
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Solid resin-coated magnet powder and a method for producing an anis...
- Patent number 5,587,024
- Issue date Dec 24, 1996
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for heat treating metallic materials and apparatus therefor
- Patent number 5,505,794
- Issue date Apr 9, 1996
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing magnetically anisotropic R-T-B-M powder mat...
- Patent number 5,486,239
- Issue date Jan 23, 1996
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing rare earth alloy magnet powder
- Patent number 5,417,773
- Issue date May 23, 1995
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system ma...
- Patent number 5,395,462
- Issue date Mar 7, 1995
- Mitsubishi Materials Corporation
- Takuo Takeshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for closed cycle hydrogenation recovery and rehydrogenation
- Patent number 5,354,040
- Issue date Oct 11, 1994
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth permanent magnet powder, method for producing same and b...
- Patent number 5,338,371
- Issue date Aug 16, 1994
- Mitsubishi Metal Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent mag...
- Patent number 5,250,206
- Issue date Oct 5, 1993
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth permanent magnet power, method for producing same and bo...
- Patent number 5,228,930
- Issue date Jul 20, 1993
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth-iron-boron magnet powder and process of producing same
- Patent number 5,110,374
- Issue date May 5, 1992
- Mitsubishi Materials Corporation
- Takuo Takeshita
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth-iron-boron magnet powder and process of producing same
- Patent number 4,981,532
- Issue date Jan 1, 1991
- Mitsubishi Kinzoku Kabushiki Kaisha
- Takuo Takeshita
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
IRON POWDER COATED WITH Mg-CONTAINING OXIDE FILM
- Publication number 20120138844
- Publication date Jun 7, 2012
- Diamet Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING SOFT MAGNETIC METAL POWDER COATED WITH MG-CONT...
- Publication number 20120070567
- Publication date Mar 22, 2012
- Diamet Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Rare earth magnet having high strength and high electrical resistance
- Publication number 20110128106
- Publication date Jun 2, 2011
- Nissan Motor Co., Ltd.
- Katsuhiko Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IRON POWDER COATED WITH Mg-CONTAINING OXIDE FILM
- Publication number 20090174512
- Publication date Jul 9, 2009
- Mitsubishi Materials PMG Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
FLAT SOFT MAGNETIC METAL POWDER AND COMPOSITE MAGNETIC MATERIAL INC...
- Publication number 20090025830
- Publication date Jan 29, 2009
- Mitsubishi Materials Corporation
- Gakuji Uozumi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for Producing Soft Magnetic Metal Powder Coated With Mg-Cont...
- Publication number 20080003126
- Publication date Jan 3, 2008
- Mitsubishi Materials PMG Corporation
- Muneaki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Fe-ni soft magnetic flaky powder and magnetic composite material co...
- Publication number 20070131311
- Publication date Jun 14, 2007
- Kazunori Igarashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Rare earth magnet having high strength and high electrical resistance
- Publication number 20060292395
- Publication date Dec 28, 2006
- MITSUBISHI MATERIALS PMG CORPORATION
- Katsuhiko Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Composite soft magnetic sintered material having high density and h...
- Publication number 20040161600
- Publication date Aug 19, 2004
- Kazunori Igarashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Ryoji Nakayama

Person

Patents Grantslast 30 patents

Iron powder coated with Mg-containing oxide film

Iron powder coated with Mg-containing oxide film

Rare earth magnet having high strength and high electrical resistance

Method for producing soft magnetic metal powder coated with Mg-cont...

Rare earth magnet having high strength and high electrical resistance

Rare earth magnet powder and method of producing the same

Flat soft magnetic metal powder and composite magnetic material inc...

Fe-Ni-Mo soft magnetic flaky powder and magnetic composite material...

Fe-Ni-Mo soft magnetic flaky powder and magnetic composite material...

Composite soft magnetic sintered material having high density and h...

Method for manufacturing a rare earth magnetic powder having high m...

Solid resin-coated magnet powder and a method for producing an anis...

Method for heat treating metallic materials and apparatus therefor

Method of manufacturing magnetically anisotropic R-T-B-M powder mat...

Method for producing rare earth alloy magnet powder

Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system ma...

Apparatus for closed cycle hydrogenation recovery and rehydrogenation

Rare earth permanent magnet powder, method for producing same and b...

Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent mag...

Rare earth permanent magnet power, method for producing same and bo...

Rare earth-iron-boron magnet powder and process of producing same

Rare earth-iron-boron magnet powder and process of producing same

Patents Applicationslast 30 patents

IRON POWDER COATED WITH Mg-CONTAINING OXIDE FILM

METHOD FOR PRODUCING SOFT MAGNETIC METAL POWDER COATED WITH MG-CONT...

Rare earth magnet having high strength and high electrical resistance

IRON POWDER COATED WITH Mg-CONTAINING OXIDE FILM

FLAT SOFT MAGNETIC METAL POWDER AND COMPOSITE MAGNETIC MATERIAL INC...

Method for Producing Soft Magnetic Metal Powder Coated With Mg-Cont...

Fe-ni soft magnetic flaky powder and magnetic composite material co...

Rare earth magnet having high strength and high electrical resistance

Composite soft magnetic sintered material having high density and h...