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Kazutaka Okamoto
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Patents Grants
last 30 patents
Information
Patent Grant
Lead-free glass composition, glass composite material, glass paste,...
Patent number
10,913,680
Issue date
Feb 9, 2021
Hitachi, Ltd.
Takashi Naito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Joint portion of superconducting wires and method of joining superc...
Patent number
10,804,624
Issue date
Oct 13, 2020
Hitachi, Ltd.
Yota Ichiki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Slide part
Patent number
9,090,965
Issue date
Jul 28, 2015
Hitachi Metals, Ltd.
Itto Sugimoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Disk brake
Patent number
8,991,564
Issue date
Mar 31, 2015
Hitachi Automotive Systems, Ltd.
Shinji Suzuki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Aluminum porous body and fabrication method of same
Patent number
8,932,516
Issue date
Jan 13, 2015
Hitachi, Ltd.
Masami Taguchi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintered porous metal body and a method of manufacturing the same
Patent number
8,480,783
Issue date
Jul 9, 2013
Hitachi, Ltd.
Kazutaka Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Microwave irradiation system
Patent number
8,222,579
Issue date
Jul 17, 2012
Hitachi, Ltd.
Masami Taguchi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Composite material and producing method thereof
Patent number
8,052,032
Issue date
Nov 8, 2011
Hitachi, Ltd.
Seunghwan Park
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir processing apparatus with a vibrator
Patent number
8,006,890
Issue date
Aug 30, 2011
Hitachi, Ltd.
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of friction stir-spot welding and welding apparatus
Patent number
7,635,075
Issue date
Dec 22, 2009
Hitachi, Ltd.
Satoshi Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cooling plate and manufacturing method thereof, and sputtering targ...
Patent number
7,480,992
Issue date
Jan 27, 2009
Hitachi, Ltd.
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method for frictional stirring weld
Patent number
6,874,672
Issue date
Apr 5, 2005
Hitachi, Ltd.
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of joining metallic materials
Patent number
6,843,405
Issue date
Jan 18, 2005
Hitachi, Ltd.
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding apparatus and method and processing apparatus...
Patent number
6,729,526
Issue date
May 4, 2004
Hitachi, Ltd.
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding method and apparatus, and welded structure
Patent number
6,715,665
Issue date
Apr 6, 2004
Hitachi, Ltd.
Satoshi Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Composite material, and manufacturing method and uses of same
Patent number
6,646,344
Issue date
Nov 11, 2003
Hitachi, Ltd.
Kazutaka Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite material, and manufacturing method and uses of same
Patent number
6,630,734
Issue date
Oct 7, 2003
Hitachi, Ltd.
Kazutaka Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite material, and manufacturing method and uses of same
Patent number
6,611,056
Issue date
Aug 26, 2003
Hitachi, Ltd.
Kazutaka Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Welding processes for iron-base ultra fine grained materials and st...
Patent number
6,585,148
Issue date
Jul 1, 2003
Hitachi, Ltd.
Yasuhisa Aono
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding method and apparatus, and welded structure
Patent number
6,540,128
Issue date
Apr 1, 2003
Hitachi, Ltd.
Satoshi Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Joint Portion of Superconducting Wires and Method of Joining Superc...
Publication number
20190207331
Publication date
Jul 4, 2019
HITACHI, LTD.
Yota ICHIKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAD-FREE GLASS COMPOSITION, GLASS COMPOSITE MATERIAL, GLASS PASTE,...
Publication number
20180354843
Publication date
Dec 13, 2018
Hitachi, Ltd
Takashi NAITO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HEAT INSULATION MATERIAL FOR MICROWAVE HEATING AND METHOD FOR MANUF...
Publication number
20120211485
Publication date
Aug 23, 2012
Hitachi, Ltd.
Masami TAGUCHI
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
DISK BRAKE
Publication number
20120103734
Publication date
May 3, 2012
Shinji SUZUKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
IRON-BASED SINTERED MATERIAL
Publication number
20120028031
Publication date
Feb 2, 2012
Hitachi, Ltd.
Shizuka YAMAGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
ALUMINUM POROUS BODY AND FABRICATION METHOD OF SAME
Publication number
20110248205
Publication date
Oct 13, 2011
Masami TAGUCHI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR DEVELOPING FINE GRAINED, THERMALLY STABLE METALLIC MATERIAL
Publication number
20110076419
Publication date
Mar 31, 2011
Hitachi America, Ltd.
Qi Yang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SLIDE PART
Publication number
20110052934
Publication date
Mar 3, 2011
Hitachi Tool Engineering, Ltd.
Itto SUGIMOTO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Microwave Irradiation System
Publication number
20110031239
Publication date
Feb 10, 2011
Hitachi, Ltd
Masami TAGUCHI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SINTERED POROUS METAL BODY AND A METHOD OF MANUFACTURING THE SAME
Publication number
20110020662
Publication date
Jan 27, 2011
Kazutaka OKAMOTO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITE MATERIAL AND PRODUCING MEHTOD THEREOF
Publication number
20100167083
Publication date
Jul 1, 2010
Hitachi, Ltd.
Seunghwan Park
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
APPARATUS FOR FRICTION STIR AND FRICTION STIR PROCESSING
Publication number
20090152328
Publication date
Jun 18, 2009
Hitachi, Ltd.
Kazutaka OKAMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method of friction stir-spot welding and welding apparatus
Publication number
20070181637
Publication date
Aug 9, 2007
Hitachi, Ltd
Satoshi Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cooling Plate and Manufacturing Method Thereof, and Sputtering Targ...
Publication number
20070163120
Publication date
Jul 19, 2007
Hitachi Cable, Ltd.
Kazutaka OKAMOTO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stirring-welding method
Publication number
20060138197
Publication date
Jun 29, 2006
Kinya Aota
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cooling plate and manufacturing method thereof, and sputtering targ...
Publication number
20060096748
Publication date
May 11, 2006
Hitachi, Ltd
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cooling plate and manufacturing method thereof, and sputtering targ...
Publication number
20040194942
Publication date
Oct 7, 2004
Hitachi, Ltd
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stir welding apparatus and method and processing apparatus...
Publication number
20040173663
Publication date
Sep 9, 2004
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Joint of metallic materials connected at a joining zone
Publication number
20040155094
Publication date
Aug 12, 2004
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stir welding method and friction stir welding apparatus
Publication number
20040079787
Publication date
Apr 29, 2004
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Apparatus and method for frictional stirring weld
Publication number
20040074944
Publication date
Apr 22, 2004
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method of joining metallic materials
Publication number
20040057782
Publication date
Mar 25, 2004
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Composite material, and manufacturing method and uses of same
Publication number
20040031545
Publication date
Feb 19, 2004
Kazutaka Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Friction stir welding method and apparatus, and welded structure
Publication number
20030098337
Publication date
May 29, 2003
Satoshi Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Welding processes for iron-base ultra fine grained materials and st...
Publication number
20030047587
Publication date
Mar 13, 2003
Yasuhisa Aono
C21 - METALLURGY OF IRON
Information
Patent Application
Friction stir welding apparatus and method and processing apparatus...
Publication number
20030047584
Publication date
Mar 13, 2003
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stir welding apparatus and method and processing apparatus...
Publication number
20030047590
Publication date
Mar 13, 2003
Kazutaka Okamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cooling plate and manufacturing method thereof, and sputtering targ...
Publication number
20020153130
Publication date
Oct 24, 2002
Kazutaka Okamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Friction stir welding method and apparatus, and welded structure
Publication number
20020145031
Publication date
Oct 10, 2002
Satoshi Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Composite material, and manufacturing method and uses of same
Publication number
20020145195
Publication date
Oct 10, 2002
Kazutaka Okamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...