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Yoshihito Yoshizawa
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fe-based soft magnetic alloy ribbon and magnetic core comprising same
Patent number
10,546,674
Issue date
Jan 28, 2020
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rapidly quenched Fe-based soft-magnetic alloy ribbon and its produc...
Patent number
10,468,182
Issue date
Nov 5, 2019
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ultrafine-crystalline alloy ribbon, fine-crystalline, soft-magnetic...
Patent number
10,115,509
Issue date
Oct 30, 2018
Hitachi Metals, Ltd.
Motoki Ohta
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Soft-magnetic, amorphous alloy ribbon and its production method, an...
Patent number
9,290,831
Issue date
Mar 22, 2016
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Soft magnetic alloy ribbon and its production method, and magnetic...
Patent number
9,222,145
Issue date
Dec 29, 2015
Hitachi Metals, Ltd.
Motoki Ohta
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Production method of ultrafine crystalline alloy ribbon
Patent number
9,224,527
Issue date
Dec 29, 2015
Hitachi Metals, Ltd.
Motoki Ohta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of producing an amorphous transformer for electric power supply
Patent number
9,177,706
Issue date
Nov 3, 2015
Hitachi Industrial Equipment Systems Co., Ltd.
Kazuyuki Fukui
C21 - METALLURGY OF IRON
Information
Patent Grant
Anode for lithium-ion rechargeable battery and lithium-ion recharge...
Patent number
8,895,186
Issue date
Nov 25, 2014
Hitachi, Ltd.
Takashi Nakabayashi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Iron-based high saturation induction amorphous alloy
Patent number
8,663,399
Issue date
Mar 4, 2014
Metglas, Inc.
Ryusuke Hasegawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Thin strip of amorphous alloy, nanocrystal soft magnetic alloy, and...
Patent number
8,414,712
Issue date
Apr 9, 2013
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic alloy, amorphous alloy ribbon, and magnetic part
Patent number
8,298,355
Issue date
Oct 30, 2012
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Nano-crystalline, magnetic alloy, its production method, alloy ribb...
Patent number
8,287,666
Issue date
Oct 16, 2012
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Grant
Nano-crystalline, magnetic alloy, its production method, alloy ribb...
Patent number
8,182,620
Issue date
May 22, 2012
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Grant
Nano-crystalline, magnetic alloy, its production method, alloy ribb...
Patent number
8,177,923
Issue date
May 15, 2012
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Grant
Amorphous alloy ribbon, nanocrystalline soft magnetic alloy and mag...
Patent number
8,083,867
Issue date
Dec 27, 2011
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Magnetic core and applied product making use of the same
Patent number
8,021,498
Issue date
Sep 20, 2011
Hitachi Metals, Ltd.
Yuichi Ogawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Soft magnetic thin strip, process for production of the same, magne...
Patent number
8,007,600
Issue date
Aug 30, 2011
Hitachi Metals, Ltd.
Motoki Ohta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Soft magnetic ribbon, magnetic core, magnetic part and process for...
Patent number
7,935,196
Issue date
May 3, 2011
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Grant
Magnetic core for current transformer, current transformer, and wat...
Patent number
7,837,807
Issue date
Nov 23, 2010
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Current transformer core, current transformer and power meter
Patent number
7,473,325
Issue date
Jan 6, 2009
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fe-based amorphous alloy ribbon
Patent number
7,425,239
Issue date
Sep 16, 2008
Hitachi Metals, Ltd.
Yuichi Ogawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low core loss magnetic alloy with high saturation magnetic flux den...
Patent number
7,141,127
Issue date
Nov 28, 2006
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Co-based magnetic alloy and magnetic members made of the same
Patent number
6,648,990
Issue date
Nov 18, 2003
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Soft magnetic alloy strip, magnetic member using the same, and manu...
Patent number
6,425,960
Issue date
Jul 30, 2002
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Miniaturized transformer and inverter circuit and discharge tube gl...
Patent number
6,031,341
Issue date
Feb 29, 2000
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nanocrystalline alloy having excellent pulse attenuation characteri...
Patent number
5,966,064
Issue date
Oct 12, 1999
Hitachi Metals Ltd.
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic core for pulse transformer and pulse transformer made thereof
Patent number
5,725,686
Issue date
Mar 10, 1998
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alloy with ultrafine crystal grains excellent in corrosion resistance
Patent number
5,658,398
Issue date
Aug 19, 1997
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Active filter circuit and power supply apparatus including same
Patent number
5,635,828
Issue date
Jun 3, 1997
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of producing nanocrystalline alloy having high permeability
Patent number
5,611,871
Issue date
Mar 18, 1997
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
BRAZING ALLOY POWDER AND JOINED COMPONENT
Publication number
20180015574
Publication date
Jan 18, 2018
Hitachi Metals, Ltd.
Yoshihito YOSHIZAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Fe-BASED SOFT MAGNETIC ALLOY RIBBON AND MAGNETIC CORE COMPRISING SAME
Publication number
20170323712
Publication date
Nov 9, 2017
Hitachi Metals, Ltd.
Yoshihito YOSHIZAWA
C21 - METALLURGY OF IRON
Information
Patent Application
RAPIDLY QUENCHED FE-BASED SOFT-MAGNETIC ALLOY RIBBON AND ITS PRODUC...
Publication number
20170178805
Publication date
Jun 22, 2017
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Application
BRAZING Ni-BASE AMORPHOUS ALLOY RIBBON AND STAINLESS STEEL BONDED B...
Publication number
20170151639
Publication date
Jun 1, 2017
Hitachi Metals, Ltd.
Yoshihito YOSHIZAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRIMARY ULTRAFINE-CRYSTALLINE ALLOY, NANO-CRYSTALLINE, SOFT MAGNETI...
Publication number
20160027566
Publication date
Jan 28, 2016
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRAFINE-CRYSTALLINE ALLOY RIBBON, FINE-CRYSTALLINE, SOFT-MAGNETIC...
Publication number
20150243421
Publication date
Aug 27, 2015
Hitachi Metals, Ltd.
Motoki Ohta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRODUCTION METHOD OF ULTRAFINE CRYSTALLINE ALLOY RIBBON
Publication number
20150000862
Publication date
Jan 1, 2015
Hitachi Metals, Ltd.
Motoki Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PRIMARY ULTRAFINE-CRYSTALLINE ALLOY RIBBON AND ITS CUTTING METHOD,...
Publication number
20140191832
Publication date
Jul 10, 2014
Hitachi Metals, Ltd.
Motoki Ohta
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
RAPIDLY QUENCHED FE-BASED SOFT-MAGNETIC ALLOY RIBBON AND ITS PRODUC...
Publication number
20130314198
Publication date
Nov 28, 2013
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRIMARY ULTRAFINE-CRYSTALLINE ALLOY, NANO-CRYSTALLINE, SOFT MAGNETI...
Publication number
20120318412
Publication date
Dec 20, 2012
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
SOFT-MAGNETIC, AMORPHOUS ALLOY RIBBON AND ITS PRODUCTION METHOD, AN...
Publication number
20120154084
Publication date
Jun 21, 2012
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ANODE FOR LITHIUM-ION RECHARGEABLE BATTERY AND LITHIUM-ION RECHARGE...
Publication number
20110294012
Publication date
Dec 1, 2011
Takashi Nakabayashi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SOFT MAGNETIC ALLOY RIBBON AND ITS PRODUCTION METHOD, AND MAGNETIC...
Publication number
20110272065
Publication date
Nov 10, 2011
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING AN AMORPHOUS TRANSFORMER FOR ELECTRIC POWER SUPPLY
Publication number
20110203705
Publication date
Aug 25, 2011
Kazuyuki Fukui
C21 - METALLURGY OF IRON
Information
Patent Application
NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBB...
Publication number
20110108167
Publication date
May 12, 2011
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBB...
Publication number
20110085931
Publication date
Apr 14, 2011
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
THIN STRIP OF AMORPHOUS ALLOY, NANOCRYSTAL SOFT MAGNETIC ALLOY, AND...
Publication number
20100230010
Publication date
Sep 16, 2010
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Application
SOFT MAGNETIC RIBBON, MAGNETIC CORE, MAGNETIC PART AND PROCESS FOR...
Publication number
20100108196
Publication date
May 6, 2010
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
IRON-BASED SOFT MAGNETIC ALLOY, THIN RIBBON OF AMORPHOUS ALLOY, AND...
Publication number
20100098576
Publication date
Apr 22, 2010
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Application
SOFT MAGNETIC THIN STRIP, PROCESS FOR PRODUCTION OF THE SAME, MAGNE...
Publication number
20100084056
Publication date
Apr 8, 2010
Hitachi Metals, Ltd.
Motoki Ohta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MAGNETIC ALLOY, AMORPHOUS ALLOY RIBBON, AND MAGNETIC PART
Publication number
20100040503
Publication date
Feb 18, 2010
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Application
NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBB...
Publication number
20090266448
Publication date
Oct 29, 2009
Hitachi Metals, Ltd.
Motoki Ohta
C21 - METALLURGY OF IRON
Information
Patent Application
AMORPHOUS TRANSFORMER FOR ELECTRIC POWER SUPPLY
Publication number
20090189728
Publication date
Jul 30, 2009
Kazuyuki Fukui
C21 - METALLURGY OF IRON
Information
Patent Application
Magnetic Core for Current Transformer, Current Transformer, and Wat...
Publication number
20090184705
Publication date
Jul 23, 2009
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Magnetic Core and Applied Product Making Use Of The Same
Publication number
20090145524
Publication date
Jun 11, 2009
Hitachi Metals, Ltd.
Yuichi Ogawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Amorphous Alloy Ribbon, Nanocrystalline Soft Magnetic Alloy and Mag...
Publication number
20090065100
Publication date
Mar 12, 2009
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C21 - METALLURGY OF IRON
Information
Patent Application
Current Transformer Core, Current Transformer And Power Meter
Publication number
20080129437
Publication date
Jun 5, 2008
Hitachi Metals, Ltd.
Yoshihito Yoshizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Iron-based high saturation induction amorphous alloy
Publication number
20060191602
Publication date
Aug 31, 2006
Metglas, Inc.
Ryusuki Hasegawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Iron-based high saturation induction amorphous alloy
Publication number
20060180248
Publication date
Aug 17, 2006
Metglas, Inc.
Ryusuke Hasegawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Low core loss magnetic alloy with high saturation magnetic flux den...
Publication number
20060118207
Publication date
Jun 8, 2006
HITACHI METALS, LTD
Yoshihito Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS