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Kudamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Friction stir welding method and group of shape members for frictio...
Patent number
7,601,432
Issue date
Oct 13, 2009
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding method and group of shape members for frictio...
Patent number
7,121,450
Issue date
Oct 17, 2006
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Frame member for friction stir welding
Patent number
6,779,706
Issue date
Aug 24, 2004
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding method
Patent number
6,779,705
Issue date
Aug 24, 2004
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welded body and frame member therefor
Patent number
6,582,831
Issue date
Jun 24, 2003
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir bonding method
Patent number
6,557,746
Issue date
May 6, 2003
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding method
Patent number
6,474,533
Issue date
Nov 5, 2002
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Friction stir welding method
Patent number
6,354,483
Issue date
Mar 12, 2002
Hitachi, Ltd.
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Friction stir welding method and group of shape members for frictio...
Publication number
20070007321
Publication date
Jan 11, 2007
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stir welding method and group of shape members for frictio...
Publication number
20050051601
Publication date
Mar 10, 2005
Masakuni Ezumi
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Information
Patent Application
Friction stir welding method
Publication number
20030038159
Publication date
Feb 27, 2003
Masakuni Ezuml
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Information
Patent Application
Frame member for friction stir welding
Publication number
20020125299
Publication date
Sep 12, 2002
Masakuni Ezumi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Friction stir welding method
Publication number
20020092885
Publication date
Jul 18, 2002
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stir bonding method
Publication number
20020030081
Publication date
Mar 14, 2002
Masakuni Ezumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Friction stir welded body and frame member therefor
Publication number
20020028341
Publication date
Mar 7, 2002
Masakuni Ezumi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Friction stir welding method
Publication number
20010015370
Publication date
Aug 23, 2001
Tetsuya Matsunaga
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