Ryooji Ishida

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Kumage-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for friction stir welding
- Patent number 6,857,555
- Issue date Feb 22, 2005
- Hitachi, Ltd.
- Ryooji Ishida
- 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

Patents Applicationslast 30 patents

Information Patent Application
Method for removing chips, and safety cover
- Publication number 20040197159
- Publication date Oct 7, 2004
- Ryooji Ishida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and apparatus for friction stir welding
- Publication number 20030192941
- Publication date Oct 16, 2003
- Ryooji Ishida
- 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