Masaru Izawa

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chemical conversion treatment liquid
- Patent number 8,333,847
- Issue date Dec 18, 2012
- Sumitomo Metal Industries, Ltd.
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing surface treated steel material using a che...
- Patent number 7,918,945
- Issue date Apr 5, 2011
- Sumitomo Metal Industries, Ltd.
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Surface conditioning prior to chemical conversion treatment of a st...
- Patent number 7,666,266
- Issue date Feb 23, 2010
- Sumitomo Metal Industries, Ltd.
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Surface treated steel material, a method for its manufacture, and a...
- Patent number 6,756,092
- Issue date Jun 29, 2004
- Sumitomo Metal Industries, Ltd.
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
CHEMICAL CONVERSION TREATMENT LIQUID
- Publication number 20110146847
- Publication date Jun 23, 2011
- Sumitomo Metal Industries, Ltd.
- Masaru IZAWA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Surface conditioning prior to chemical conversion treatment of a st...
- Publication number 20070056656
- Publication date Mar 15, 2007
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Surface treated steel material, a method for its manufacture, and a...
- Publication number 20040154700
- Publication date Aug 12, 2004
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Surface treated steel material, a method for its manufacture, and a...
- Publication number 20030096124
- Publication date May 22, 2003
- Masaru Izawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...