Gouichi Nishizawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Raw material alloy for R-T-B system sintered magnet, R-T-B system s...
- Patent number 8,157,927
- Issue date Apr 17, 2012
- TDK Corporation
- Yasushi Enokido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth sintered magnet
- Patent number 7,740,716
- Issue date Jun 22, 2010
- TDK Corporation
- Yasushi Enokido
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for compacting magnetic powder in magnetic field, and method...
- Patent number 7,416,613
- Issue date Aug 26, 2008
- TDK Corporation
- Tsutomu Chou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B system rare earth permanent magnet
- Patent number 7,314,531
- Issue date Jan 1, 2008
- TDK Corporation
- Chikara Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B system rare earth permanent magnet
- Patent number 7,311,788
- Issue date Dec 25, 2007
- TDK Corporation
- Gouichi Nishizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for manufacturing R-T-B system rare earth permanent magnet
- Patent number 7,255,751
- Issue date Aug 14, 2007
- TDK Corporation
- Gouichi Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing R-T-B system rare earth permanent magnet
- Patent number 7,255,752
- Issue date Aug 14, 2007
- TDK Corporation
- Chikara Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B system rare earth permanent magnet and compound for magnet
- Patent number 7,192,493
- Issue date Mar 20, 2007
- TDK Corporation
- Gouichi Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B system rare earth permanent magnet
- Patent number 6,811,620
- Issue date Nov 2, 2004
- TDK Corporation
- Chikara Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sintered magnet and method for making
- Patent number 5,834,663
- Issue date Nov 10, 1998
- TDK Corporation
- Akira Fukuno
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered magnet and method for making
- Patent number 5,641,363
- Issue date Jun 24, 1997
- TDK Corporation
- Akira Fukuno
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
RAW MATERIAL ALLOY FOR R-T-B SYSTEM SINTERED MAGNET, R-T-B SYSTEM S...
- Publication number 20100111746
- Publication date May 6, 2010
- TDK Corporation
- Yasushi Enokido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH SINTERED MAGNET
- Publication number 20090178735
- Publication date Jul 16, 2009
- TDK CORPORATION
- Yasushi Enokido
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Raw material alloy for R-T-B system sintered magnet, R-T-B system s...
- Publication number 20060165550
- Publication date Jul 27, 2006
- TDK CORPORATION
- Yasushi Enokido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for compacting magnetic powder in magnetic field, and method...
- Publication number 20050183792
- Publication date Aug 25, 2005
- TDK CORPORATION
- Tsutomu Chou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B SYSTEM RARE EARTH PERMANENT MAGNET
- Publication number 20040187970
- Publication date Sep 30, 2004
- TDK CORPORATION
- Chikara Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B system rare earth permanent magnet
- Publication number 20040187969
- Publication date Sep 30, 2004
- TDK CORPORATION
- Chikara Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for manufacturing R-T-B system rare earth permanent magnet
- Publication number 20040187962
- Publication date Sep 30, 2004
- TDK CORPORATION
- Chikara Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B system rare earth permanent magnet
- Publication number 20040177899
- Publication date Sep 16, 2004
- TDK CORPORATION
- Gouichi Nishizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for manufacturing R-T-B system rare earth permanent magnet
- Publication number 20040166013
- Publication date Aug 26, 2004
- TDK CORPORATION
- Gouichi Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B system rare earth permanent magnet and compound for magnet
- Publication number 20040118484
- Publication date Jun 24, 2004
- TDK CORPORATION
- Gouichi Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS

Gouichi Nishizawa

Person

Patents Grantslast 30 patents

Raw material alloy for R-T-B system sintered magnet, R-T-B system s...

Rare earth sintered magnet

Method for compacting magnetic powder in magnetic field, and method...

R-T-B system rare earth permanent magnet

R-T-B system rare earth permanent magnet

Method for manufacturing R-T-B system rare earth permanent magnet

Method for manufacturing R-T-B system rare earth permanent magnet

R-T-B system rare earth permanent magnet and compound for magnet

R-T-B system rare earth permanent magnet

Sintered magnet and method for making

Sintered magnet and method for making

Patents Applicationslast 30 patents

RAW MATERIAL ALLOY FOR R-T-B SYSTEM SINTERED MAGNET, R-T-B SYSTEM S...

RARE EARTH SINTERED MAGNET

Raw material alloy for R-T-B system sintered magnet, R-T-B system s...

Method for compacting magnetic powder in magnetic field, and method...

R-T-B SYSTEM RARE EARTH PERMANENT MAGNET

R-T-B system rare earth permanent magnet

Method for manufacturing R-T-B system rare earth permanent magnet

R-T-B system rare earth permanent magnet

Method for manufacturing R-T-B system rare earth permanent magnet

R-T-B system rare earth permanent magnet and compound for magnet