Masakuni Ezumi

Person

Houfu-shi, JP

People

Patents Grantslast 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 hollow shape member for friction...
- Patent number 7,243,471
- Issue date Jul 17, 2007
- 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
Friction stir welding method
- Patent number 7,051,916
- Issue date May 30, 2006
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method, frame members used therein, and produ...
- Patent number 7,036,707
- Issue date May 2, 2006
- Hitachi, Ltd.
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method
- Patent number 6,997,369
- Issue date Feb 14, 2006
- Hitachi, Ltd.
- Koji Hamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method, and method for manufacturing car body
- Patent number 6,984,455
- Issue date Jan 10, 2006
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Extruded frame member for use in friction stir welding
- Patent number 6,936,332
- Issue date Aug 30, 2005
- Hitachi, Ltd.
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method, and hollow shape member for friction...
- Patent number 6,793,117
- Issue date Sep 21, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method
- Patent number 6,786,388
- Issue date Sep 7, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method and rotary tool
- Patent number 6,783,055
- Issue date Aug 31, 2004
- 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
Structural body formed by friction stir welding
- Patent number 6,777,107
- Issue date Aug 17, 2004
- Hitachi, Ltd.
- Akihiro Satou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing structural body and structural body
- Patent number 6,745,929
- Issue date Jun 8, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Car body formed by friction stir welding
- Patent number 6,733,900
- Issue date May 11, 2004
- Hitachi, Ltd.
- Akihiro Satou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Structure and railway car
- Patent number 6,722,286
- Issue date Apr 20, 2004
- Hitachi, Ltd.
- Hisanori Okamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method
- Patent number 6,722,555
- Issue date Apr 20, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Nondestructive inspection method
- Patent number 6,719,184
- Issue date Apr 13, 2004
- Hitachi, Ltd.
- Ryooji Ishida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Structural body formed by friction stir welding
- Patent number 6,716,538
- Issue date Apr 6, 2004
- Hitachi, Ltd.
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method, and method for manufacturing car body
- Patent number 6,705,508
- Issue date Mar 16, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method, and hollow shape member for friction...
- Patent number 6,698,153
- Issue date Mar 2, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hollow extruded frame member for friction stir welding and structur...
- Patent number 6,691,484
- Issue date Feb 17, 2004
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method, and method for manufacturing car body
- Patent number 6,659,330
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Frame member used in friction stir welding
- Patent number 6,640,515
- Issue date Nov 4, 2003
- Hitachi, Ltd.
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir bonding method
- Patent number 6,622,904
- Issue date Sep 23, 2003
- Hitachi, Ltd.
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method using members which overlap and have p...
- Patent number 6,619,534
- Issue date Sep 16, 2003
- Hitachi, Ltd.
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Structural body formed by friction stir welding and having protrusi...
- Patent number 6,613,447
- Issue date Sep 2, 2003
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Structural body formed by friction stir welding method
- Patent number 6,607,837
- Issue date Aug 19, 2003
- Hitachi, Ltd.
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method
- Patent number 6,595,403
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Hisanori Okamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Friction stir welding method
- Publication number 20070199978
- Publication date Aug 30, 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 20070007321
- Publication date Jan 11, 2007
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method
- Publication number 20060169748
- Publication date Aug 3, 2006
- 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
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method, and method for manufacturing car body
- Publication number 20040211819
- Publication date Oct 28, 2004
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method
- Publication number 20040195293
- Publication date Oct 7, 2004
- Koji Hamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method, frame members used therein, and produ...
- Publication number 20040004109
- Publication date Jan 8, 2004
- Kinya Aota
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method
- Publication number 20030205608
- Publication date Nov 6, 2003
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method, and hollow shape member for friction...
- Publication number 20030124375
- Publication date Jul 3, 2003
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method, and hollow shape member for friction...
- Publication number 20030124376
- Publication date Jul 3, 2003
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Nondestructive inspection method
- Publication number 20030057258
- Publication date Mar 27, 2003
- Ryooji Ishida
- G01 - MEASURING TESTING
Information Patent Application
Hollow extruded frame member for friction stir welding and structur...
- Publication number 20030056459
- Publication date Mar 27, 2003
- Masakuni Ezumi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Friction stir welding method and panel structure for friction stir...
- Publication number 20030042293
- Publication date Mar 6, 2003
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method and rotary tool
- Publication number 20030019913
- Publication date Jan 30, 2003
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Structure and railway car
- Publication number 20030005852
- Publication date Jan 9, 2003
- Hisanori Okamura
- B61 - RAILWAYS
Information Patent Application
Car body formed by friction stir welding
- Publication number 20030000997
- Publication date Jan 2, 2003
- Akihiro Satou
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Structural body formed by friction stir welding
- Publication number 20030000996
- Publication date Jan 2, 2003
- Akihiro Satou
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding method
- Publication number 20020190102
- Publication date Dec 19, 2002
- Masakuni Ezumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method using members which overlap and have p...
- Publication number 20020162876
- Publication date Nov 7, 2002
- Kinya Aota
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding method, and hollow shape member for friction...
- Publication number 20020148879
- Publication date Oct 17, 2002
- Masakuni Ezumi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Structural body formed by friction stir welding and having protrusi...
- Publication number 20020139831
- Publication date Oct 3, 2002
- Kinya Aota
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding method, and method for manufacturing car body
- Publication number 20020125298
- Publication date Sep 12, 2002
- Masakuni Ezumi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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
Structural body and method of manufacture thereof
- Publication number 20020095903
- Publication date Jul 25, 2002
- Takeshi Kawasaki
- E04 - BUILDING
Information Patent Application
Structural body formed by friction stir welding method
- Publication number 20020094446
- Publication date Jul 18, 2002
- Kinya Aota
- 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 welding method, and method for manufacturing car body
- Publication number 20020092888
- Publication date Jul 18, 2002
- Masakuni Ezumi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding method, and method for manufacturing car body
- Publication number 20020092889
- Publication date Jul 18, 2002
- Masakuni Ezumi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding method, and method for manufacturing car body
- Publication number 20020092890
- Publication date Jul 18, 2002
- Masakuni Ezumi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Structural body
- Publication number 20020081148
- Publication date Jun 27, 2002
- Masakuni Ezumi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Masakuni Ezumi

Person

Patents Grantslast 30 patents

Friction stir welding method and group of shape members for frictio...

Friction stir welding method, and hollow shape member for friction...

Friction stir welding method and group of shape members for frictio...

Friction stir welding method

Friction stir welding method, frame members used therein, and produ...

Friction stir welding method

Friction stir welding method, and method for manufacturing car body

Extruded frame member for use in friction stir welding

Friction stir welding method, and hollow shape member for friction...

Friction stir welding method

Friction stir welding method and rotary tool

Frame member for friction stir welding

Friction stir welding method

Structural body formed by friction stir welding

Method of manufacturing structural body and structural body

Car body formed by friction stir welding

Structure and railway car

Friction stir welding method

Nondestructive inspection method

Structural body formed by friction stir welding

Friction stir welding method, and method for manufacturing car body

Friction stir welding method, and hollow shape member for friction...

Hollow extruded frame member for friction stir welding and structur...

Friction stir welding method, and method for manufacturing car body

Frame member used in friction stir welding

Friction stir bonding method

Friction stir welding method using members which overlap and have p...

Structural body formed by friction stir welding and having protrusi...

Structural body formed by friction stir welding method

Friction stir welding method

Patents Applicationslast 30 patents

Friction stir welding method

Friction stir welding method and group of shape members for frictio...

Friction stir welding method

Friction stir welding method and group of shape members for frictio...

Friction stir welding method, and method for manufacturing car body

Friction stir welding method

Friction stir welding method, frame members used therein, and produ...

Friction stir welding method

Friction stir welding method, and hollow shape member for friction...

Friction stir welding method, and hollow shape member for friction...

Nondestructive inspection method

Hollow extruded frame member for friction stir welding and structur...

Friction stir welding method and panel structure for friction stir...

Friction stir welding method and rotary tool

Structure and railway car

Car body formed by friction stir welding

Structural body formed by friction stir welding

Friction stir welding method

Friction stir welding method using members which overlap and have p...

Friction stir welding method, and hollow shape member for friction...

Structural body formed by friction stir welding and having protrusi...

Friction stir welding method, and method for manufacturing car body

Frame member for friction stir welding

Structural body and method of manufacture thereof

Structural body formed by friction stir welding method

Friction stir welding method

Friction stir welding method, and method for manufacturing car body

Friction stir welding method, and method for manufacturing car body

Friction stir welding method, and method for manufacturing car body

Structural body