Seung Hwan PARK

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Patents Grantslast 30 patents

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
Friction stir welding method
- Patent number 7,766,214
- Issue date Aug 3, 2010
- Hitachi, Ltd.
- Seung Hwan Park
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding tool and friction stir welding apparatus
- Patent number 7,703,656
- Issue date Apr 27, 2010
- Hitachi, Ltd.
- Seung Hwan Park
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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
Friction Stir Welding Tool and Friction Stir Welding Apparatus
- Publication number 20080128472
- Publication date Jun 5, 2008
- Seung Hwan Park
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction stir welding method
- Publication number 20070181649
- Publication date Aug 9, 2007
- Seung Hwan Park
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR