Hiroaki CHIBA

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for assessing remaining lifespan of bolt used at high temper...
- Patent number 8,225,672
- Issue date Jul 24, 2012
- Hitachi, Ltd.
- Masahiko Arai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR ASSESSING REMAINING LIFESPAN OF BOLT USED AT HIGH TEMPER...
- Publication number 20100236333
- Publication date Sep 23, 2010
- Hitachi, Ltd.
- Masahiko ARAI
- G01 - MEASURING TESTING