Tatsuya YAHAGI

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Fukushima-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface-treated component manufacturing method and apparatus
- Patent number 9,920,405
- Issue date Mar 20, 2018
- Hitachi Automotive Systems, Ltd.
- Ryoju Obata
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
SURFACE-TREATED COMPONENT MANUFACTURING METHOD AND APPARATUS
- Publication number 20150247222
- Publication date Sep 3, 2015
- Hitachi Automotive Systems, Ltd.
- Ryoju OBATA
- C21 - METALLURGY OF IRON