Kouji Satou

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Friction stir welding method and component part welded by the method
- Patent number 7,097,091
- Issue date Aug 29, 2006
- Hitachi, Ltd.
- Hisanori Okamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method and component part welded by the method
- Patent number 6,739,495
- Issue date May 25, 2004
- Hitachi, Ltd.
- Hisanori Okamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rolling mill and rolling method
- Patent number 6,012,319
- Issue date Jan 11, 2000
- Hitachi, Ltd.
- Kenjiro Narita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tandem mill system and work roll crossing mill
- Patent number 5,657,655
- Issue date Aug 19, 1997
- Hitachi, Ltd.
- Kenichi Yasuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
System and method for manufacturing thin plate by hot working
- Patent number 5,632,177
- Issue date May 27, 1997
- Hitachi, Ltd.
- Kenjiro Narita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Friction stir welding method and component part welded by the method
- Publication number 20030102354
- Publication date Jun 5, 2003
- Hisanori Okamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method and component part welded by the method
- Publication number 20030024965
- Publication date Feb 6, 2003
- Hisanori Okamura
- H01 - BASIC ELECTRIC ELEMENTS