Mitsuru Yoshida

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chromate film-containing plug metal component and method for produc...
- Patent number 6,838,809
- Issue date Jan 4, 2005
- NGK Spark Plug Co., Ltd.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Chromate film-containing plug metal component and method for produc...
- Publication number 20030214208
- Publication date Nov 20, 2003
- NGK SPARK PLUG CO., LTD.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...