Ryuzo Yamada

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal-pipe bonded body, pipe expansion method of metal-pipe bonded...
- Patent number 6,592,154
- Issue date Jul 15, 2003
- Daido Tokushuko Kabushiki Kaisha
- Takao Shimizu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing joint of carbon steel pipes suitable for e...
- Patent number 6,378,760
- Issue date Apr 30, 2002
- Daido Tokushuko Kabushiki Kaisha
- Takao Shimizu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for evaluating bonding properties of a metallic pipe
- Patent number 6,332,361
- Issue date Dec 25, 2001
- Daido Tokushuko Kabushiki Kaisha
- Ryuzo Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Method and an apparatus for flaw detection
- Patent number 5,934,805
- Issue date Aug 10, 1999
- Daido Tokushuko Kabushika Kaisha
- Toshio Endo
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Metal-pipe bonded body, pipe expansion method of metal-pipe bonded...
- Publication number 20020014514
- Publication date Feb 7, 2002
- Takao Shimizu
- G01 - MEASURING TESTING