Chikara Ishizaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rare earth based magnet
- Patent number 10,546,672
- Issue date Jan 28, 2020
- TDK Corporation
- Eiji Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based sintered magnet and motor
- Patent number 10,530,198
- Issue date Jan 7, 2020
- TDK Corporation
- Naoto Tsukamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor
- Patent number 10,523,101
- Issue date Dec 31, 2019
- TDK Corporation
- Makoto Iwasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rare earth based magnet
- Patent number 10,256,016
- Issue date Apr 9, 2019
- TDK Corporation
- Yoshinori Fujikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alloy for R-T-B based sintered magnet and R-T-B based sintered magnet
- Patent number 10,242,777
- Issue date Mar 26, 2019
- TDK Corporation
- Makoto Iwasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth based magnet
- Patent number 10,109,402
- Issue date Oct 23, 2018
- TDK Corporation
- Eiji Kato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 10,096,410
- Issue date Oct 9, 2018
- TDK Corporation
- Masashi Miwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rare earth based magnet
- Patent number 10,096,412
- Issue date Oct 9, 2018
- TDK Corporation
- Eiji Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth based magnet
- Patent number 10,090,087
- Issue date Oct 2, 2018
- TDK Corporation
- Yoshinori Fujikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth based magnet
- Patent number 10,083,783
- Issue date Sep 25, 2018
- TDK Corporation
- Yoshinori Fujikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth based magnet
- Patent number 10,020,099
- Issue date Jul 10, 2018
- TDK Corporation
- Eiji Kato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered magnet
- Patent number 9,997,284
- Issue date Jun 12, 2018
- TDK Corporation
- Masashi Miwa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,773,599
- Issue date Sep 26, 2017
- TDK Corporation
- Masashi Miwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based alloy strip, and R-T-B based sintered magnet and method...
- Patent number 9,620,268
- Issue date Apr 11, 2017
- TDK Corporation
- Taeko Tsubokura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet and production method for same, and rot...
- Patent number 9,613,737
- Issue date Apr 4, 2017
- TDK Corporation
- Eiji Kato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based alloy strip, and R-T-B based sintered magnet and method...
- Patent number 9,607,742
- Issue date Mar 28, 2017
- TDK Corporation
- Tamotsu Ishiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth based magnet
- Patent number 9,548,149
- Issue date Jan 17, 2017
- TDK Corporation
- Eiji Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,514,869
- Issue date Dec 6, 2016
- TDK Corporation
- Masashi Miwa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth sintered magnet, method for producing the same, motor, a...
- Patent number 9,350,203
- Issue date May 24, 2016
- TDK Corporation
- Fumitaka Baba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth sintered magnet, method for producing same, motor and au...
- Patent number 8,823,478
- Issue date Sep 2, 2014
- TDK Corporation
- Satoshi Tanaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
R-T-B system sintered magnet
- Patent number 8,123,832
- Issue date Feb 28, 2012
- TDK Corporation
- Eiji Kato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing sintered magnet and alloy for sintered magnet
- Patent number 7,955,442
- Issue date Jun 7, 2011
- TDK Corporation
- Tetsuya Hidaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing raw material powder for rare earth sintered ma...
- Patent number 7,858,023
- Issue date Dec 28, 2010
- TDK Corporation
- Yasushi Enokido
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
R-T-B based rare earth permanent magnet and method for production t...
- Patent number 7,618,497
- Issue date Nov 17, 2009
- TDK Corporation
- Eiji Kato
- 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

Patents Applicationslast 30 patents

Information Patent Application
ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET
- Publication number 20190074114
- Publication date Mar 7, 2019
- TDK Corporation
- Makoto IWASAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MOTOR
- Publication number 20170346432
- Publication date Nov 30, 2017
- TDK Corporation
- Makoto IWASAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET
- Publication number 20170221616
- Publication date Aug 3, 2017
- TDK Corporation
- Makoto IWASAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET AND MOTOR
- Publication number 20170076846
- Publication date Mar 16, 2017
- TDK Corporation
- Naoto TSUKAMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20160086701
- Publication date Mar 24, 2016
- TDK Corporation
- Masashi MIWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20150310972
- Publication date Oct 29, 2015
- TDK Corporation
- Eiji KATO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20150270041
- Publication date Sep 24, 2015
- TDK Corporation
- Eiji KATO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20150235750
- Publication date Aug 20, 2015
- TDK Corporation
- Masashi Miwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20150179319
- Publication date Jun 25, 2015
- TDK Corporation
- Yoshinori FUJIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20150179317
- Publication date Jun 25, 2015
- TDK Corporation
- Yoshinori FUJIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20150179318
- Publication date Jun 25, 2015
- TDK Corporation
- Yoshinori FUJIKAWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SINTERED MAGNET
- Publication number 20150170810
- Publication date Jun 18, 2015
- TDK Corporation
- Masashi Miwa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20150155083
- Publication date Jun 4, 2015
- TDK Corporation
- Masashi Miwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING SAME, MOTOR AND AU...
- Publication number 20140335268
- Publication date Nov 13, 2014
- Satoshi Tanaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED ALLOY STRIP, AND R-T-B BASED SINTERED MAGNET AND METHOD...
- Publication number 20140308152
- Publication date Oct 16, 2014
- Taeko Tsubokura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20140292453
- Publication date Oct 2, 2014
- Eiji KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20140290803
- Publication date Oct 2, 2014
- Eiji KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20140292454
- Publication date Oct 2, 2014
- Eiji KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED ALLOY STRIP, AND R-T-B BASED SINTERED MAGNET AND METHOD...
- Publication number 20140286815
- Publication date Sep 25, 2014
- TDK Corporation
- Tamotsu Ishiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET AND PRODUCTION METHOD FOR SAME, AND ROT...
- Publication number 20140286816
- Publication date Sep 25, 2014
- TDK Corporation
- Eiji Kato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B SINTERED MAGNET AND METHOD FOR PRODUCTION THEREOF, AND ROTARY...
- Publication number 20140247100
- Publication date Sep 4, 2014
- TDK Corporation
- Taeko Tsubokura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING SAME, MOTOR AND AU...
- Publication number 20130049910
- Publication date Feb 28, 2013
- TDK Corporation
- Satoshi Tanaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING THE SAME, MOTOR, A...
- Publication number 20130026870
- Publication date Jan 31, 2013
- TDK Corporation
- Fumitaka Baba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for Producing Sintered Magnet and alloy for sintered magnet
- Publication number 20110274898
- Publication date Nov 10, 2011
- Tetsuya Hidaka
- 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 20100111746
- Publication date May 6, 2010
- TDK Corporation
- Yasushi Enokido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B Based Rare Earth Permanent Magnet and Method for Production T...
- Publication number 20100040501
- Publication date Feb 18, 2010
- TDK Corporation
- Eiji KATO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
R-T-B SYSTEM SINTERED MAGNET
- Publication number 20090019969
- Publication date Jan 22, 2009
- TDK CORPORATION
- Eiji Kato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method For Producing Raw Material Powder For Rare Earth Sintered Ma...
- Publication number 20080053273
- Publication date Mar 6, 2008
- TDK CORPORATION
- Yasushi Enokido
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Rare Earth Sintered Magnet, Raw Material Alloy Powder For Rare Eart...
- Publication number 20070221296
- Publication date Sep 27, 2007
- TDK CORPORATION
- Yasushi Enokido
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Chikara Ishizaka

Person

Patents Grantslast 30 patents

Rare earth based magnet

R-T-B based sintered magnet and motor

Motor

Rare earth based magnet

Alloy for R-T-B based sintered magnet and R-T-B based sintered magnet

Rare earth based magnet

R-T-B based sintered magnet

Rare earth based magnet

Rare earth based magnet

Rare earth based magnet

Rare earth based magnet

Sintered magnet

R-T-B based sintered magnet

R-T-B based alloy strip, and R-T-B based sintered magnet and method...

R-T-B based sintered magnet and production method for same, and rot...

R-T-B based alloy strip, and R-T-B based sintered magnet and method...

Rare earth based magnet

R-T-B based sintered magnet

Rare earth sintered magnet, method for producing the same, motor, a...

Rare earth sintered magnet, method for producing same, motor and au...

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

R-T-B system sintered magnet

Method for producing sintered magnet and alloy for sintered magnet

Method for producing raw material powder for rare earth sintered ma...

Rare earth sintered magnet

R-T-B based rare earth permanent magnet and method for production t...

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

Patents Applicationslast 30 patents

ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET

MOTOR

ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET AND MOTOR

R-T-B BASED SINTERED MAGNET

RARE EARTH BASED MAGNET

RARE EARTH BASED MAGNET

R-T-B BASED SINTERED MAGNET

RARE EARTH BASED MAGNET

RARE EARTH BASED MAGNET

RARE EARTH BASED MAGNET

SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING SAME, MOTOR AND AU...

R-T-B BASED ALLOY STRIP, AND R-T-B BASED SINTERED MAGNET AND METHOD...

RARE EARTH BASED MAGNET

RARE EARTH BASED MAGNET

RARE EARTH BASED MAGNET

R-T-B BASED ALLOY STRIP, AND R-T-B BASED SINTERED MAGNET AND METHOD...

R-T-B BASED SINTERED MAGNET AND PRODUCTION METHOD FOR SAME, AND ROT...

R-T-B SINTERED MAGNET AND METHOD FOR PRODUCTION THEREOF, AND ROTARY...

RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING SAME, MOTOR AND AU...

RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING THE SAME, MOTOR, A...

Method for Producing Sintered Magnet and alloy for sintered magnet

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

R-T-B Based Rare Earth Permanent Magnet and Method for Production T...

RARE EARTH SINTERED MAGNET

R-T-B SYSTEM SINTERED MAGNET

Method For Producing Raw Material Powder For Rare Earth Sintered Ma...

Rare Earth Sintered Magnet, Raw Material Alloy Powder For Rare Eart...