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Kenichiro Nakajima
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Saitama-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Alloy for R-T-B-based rare earth sintered magnet, process of produc...
Patent number
11,024,448
Issue date
Jun 1, 2021
TDK Corporation
Kenichiro Nakajima
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Alloy for R-T-B-based rare earth sintered magnet and manufacturing...
Patent number
10,490,324
Issue date
Nov 26, 2019
TDK Corporation
Takashi Yamazaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B-based rare earth sintered magnet and alloy for R-T-B-based ra...
Patent number
10,428,408
Issue date
Oct 1, 2019
TDK Corporation
Takashi Yamazaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B rare earth sintered magnet and method of manufacturing the same
Patent number
10,020,097
Issue date
Jul 10, 2018
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Thermoelectric element, thermoelectric module and method of manufac...
Patent number
9,960,335
Issue date
May 1, 2018
Showa Denko K.K.
Yasutaka Yoshida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Alloy material for R-T-B system rare earth permanent magnet, method...
Patent number
9,601,979
Issue date
Mar 21, 2017
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
R-T-B rare earth sintered magnet, alloy for R-T-B rare earth sinter...
Patent number
9,558,872
Issue date
Jan 31, 2017
Showa Denko K.K.
Takashi Yamazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing thermoelectric semiconductor alloy, thermoele...
Patent number
8,171,980
Issue date
May 8, 2012
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Alloy containing rare earth element, production method thereof, mag...
Patent number
8,110,049
Issue date
Feb 7, 2012
Showa Denko K.K.
Kenichiro Nakajima
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for producing alloy
Patent number
8,042,600
Issue date
Oct 25, 2011
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for producing thermoelectric semiconductor alloy, thermoele...
Patent number
8,006,741
Issue date
Aug 30, 2011
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production method of thermoelectric semiconductor alloy, thermoelec...
Patent number
7,997,325
Issue date
Aug 16, 2011
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production method of thermoelectric semiconductor alloy, thermoelec...
Patent number
7,849,909
Issue date
Dec 14, 2010
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
R-T-B type alloy, production method of R-T-B type alloy flake, fine...
Patent number
7,846,273
Issue date
Dec 7, 2010
Showa Denko K.K.
Shiro Sasaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Filled skutterudite-based alloy, production method thereof and ther...
Patent number
7,705,233
Issue date
Apr 27, 2010
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Alloy containing rare earth element, production method thereof, mag...
Patent number
7,695,574
Issue date
Apr 13, 2010
Showda Denko K.K.
Kenichiro Nakajima
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
ALLOY FOR R-T-B-BASED RARE EARTH SINTERED MAGNET AND MANUFACTURING...
Publication number
20170162305
Publication date
Jun 8, 2017
SHOWA DENKO K.K.
Takashi YAMAZAKI
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOY FOR R-T-B-BASED RARE EARTH SINTERED MAGNET, PROCESS OF PRODUC...
Publication number
20170025207
Publication date
Jan 26, 2017
SHOWA DENKO K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B-BASED RARE EARTH SINTERED MAGNET AND METHOD OF MANUFACTURING...
Publication number
20160284452
Publication date
Sep 29, 2016
SHOWA DENKO K.K.
Masaki HORIKITA
C21 - METALLURGY OF IRON
Information
Patent Application
R-T-B-BASED RARE EARTH SINTERED MAGNET AND ALLOY FOR R-T-B-BASED RA...
Publication number
20160268024
Publication date
Sep 15, 2016
SHOWA DENKO K.K.
Takashi YAMAZAKI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF MANUFACTURING ALLOY FOR R-T-B-BASED RARE EARTH SINTERED M...
Publication number
20160012946
Publication date
Jan 14, 2016
SHOWA DENKO K.K.
Masaki HORIKITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THERMOELECTRIC ELEMENT, THERMOELECTRIC MODULE AND METHOD OF MANUFAC...
Publication number
20150228880
Publication date
Aug 13, 2015
SHOWA DENKO K.K.
Yasutaka YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-T-B RARE EARTH SINTERED MAGNET AND METHOD OF MANUFACTURING THE SAME
Publication number
20140314612
Publication date
Oct 23, 2014
SHOWA DENKO K.K.
Kenichiro NAKAJIMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B RARE EARTH SINTERED MAGNET, ALLOY FOR R-T-B RARE EARTH SINTER...
Publication number
20140191831
Publication date
Jul 10, 2014
SHOWA DENKO K.K.
Takashi YAMAZAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ALLOY FOR R-T-B-BASED RARE EARTH SINTERED MAGNET, PROCESS OF PRODUC...
Publication number
20140132377
Publication date
May 15, 2014
Showa Denko K.K.
Kenichiro Nakajima
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOY MATERIAL FOR R-T-B SYSTEM RARE EARTH PERMANENT MAGNET, METHOD...
Publication number
20130264903
Publication date
Oct 10, 2013
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALLOY MATERIAL FOR R-T-B-BASED RARE EARTH PERMANENT MAGNET, METHOD...
Publication number
20130154424
Publication date
Jun 20, 2013
SHOWA DENKO K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B-BASED RARE EARTH PERMANENT MAGNET, MOTOR, AUTOMOBILE, POWER G...
Publication number
20130099150
Publication date
Apr 25, 2013
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B-BASED RARE EARTH PERMANENT MAGNET, MOTOR, AUTOMOBILE, POWER G...
Publication number
20130092868
Publication date
Apr 18, 2013
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALLOY MATERIAL FOR R-T-B TYPE RARE EARTH PERMANENT MAGNET, METHOD F...
Publication number
20120091844
Publication date
Apr 19, 2012
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for producing thermoelectric semiconductor alloy, thermoele...
Publication number
20110265919
Publication date
Nov 3, 2011
SHOWA DENKO K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALLOY MATERIAL FOR R-T- B SYSTEM RARE EARTH PERMANENT MAGNET, METHO...
Publication number
20110260565
Publication date
Oct 27, 2011
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRODUCTION METHOD OF THERMOELECTRIC SEMICONDUCTOR ALLOY, THERMOELEC...
Publication number
20110048590
Publication date
Mar 3, 2011
SHOWA DENKO K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B ALLOY, PROCESS FOR PRODUCTION OF R-T-B ALLOY, FINE POWDER FOR...
Publication number
20100230013
Publication date
Sep 16, 2010
SHOWA DENKO K.K.
Kenichiro Nakajima
B22 - CASTING POWDER METALLURGY
Information
Patent Application
APPARATUS FOR PRODUCING ALLOY
Publication number
20100202917
Publication date
Aug 12, 2010
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALLOY CONTAINING RARE EARTH ELEMENT, PRODUCTION METHOD THEREOF, MAG...
Publication number
20100143178
Publication date
Jun 10, 2010
SHOWA DENKO K.K.
Kenichiro NAKAJIMA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
R-T-B SYSTEM ALLOY AND METHOD OF PREPARING R-T-B SYSTEM ALLOY, FINE...
Publication number
20090072938
Publication date
Mar 19, 2009
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B TYPE ALLOY AND PRODUCTION METHOD THEREOF, FINE POWDER FOR R-T...
Publication number
20090035170
Publication date
Feb 5, 2009
SHOWA DENKO K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Production Method of Thermoelectric Semiconductor Alloy, Thermoelec...
Publication number
20080092940
Publication date
Apr 24, 2008
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Thermoelectric Conversion Module, and Thermoelectric Power Generati...
Publication number
20080023057
Publication date
Jan 31, 2008
Showa Denko K.K.
Kenichiro Nakajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-T-B type alloy, production method of R-T-B type alloy flake, fine...
Publication number
20070095438
Publication date
May 3, 2007
Showa Denko K.K.
Shiro Sasaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Alloy for negative electrode of lithium secondary battery
Publication number
20070048612
Publication date
Mar 1, 2007
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for producing thermoelectric semiconductor alloy, thermoele...
Publication number
20070034245
Publication date
Feb 15, 2007
Showa Denko K.K.
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Waste heat recovery system and thermoelectric conversion system
Publication number
20060157102
Publication date
Jul 20, 2006
Showa Denko K.K.
Kenichiro Nakajima
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Filled skutterudite-based alloy, production method thereof and ther...
Publication number
20060118156
Publication date
Jun 8, 2006
Kenichiro Nakajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Alloy containing rare earth element, production method thereof, mag...
Publication number
20060076084
Publication date
Apr 13, 2006
Kenichiro Nakajima
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...