Hideichi Tsuboi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Elbow material production device and production method thereof
- Patent number 8,387,435
- Issue date Mar 5, 2013
- Ihara Science Corporation
- Takeyasu Bandou
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
ELBOW MATERIAL, AND PRODUCTION DEVICE AND PRODUCTION METHOD THEREOF
- Publication number 20100294388
- Publication date Nov 25, 2010
- Takeyasu Bandou
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...