Ryohei Shizuka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface treatment agent and surface treatment method
- Patent number 9,701,806
- Issue date Jul 11, 2017
- Chemetall GmbH
- Kazufumi Yasuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SURFACE TREATMENT AGENT AND SURFACE TREATMENT METHOD
- Publication number 20150232634
- Publication date Aug 20, 2015
- CHEMETALL GMBH
- Kazufumi Yasuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...