Masato Nasu

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating sulfur free-cutting alloy steel
- Patent number 6,890,389
- Issue date May 10, 2005
- Minebea Co., Ltd.
- Akio Okamiya
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Method for treating sulfur free-cutting alloy steel
- Publication number 20030070689
- Publication date Apr 17, 2003
- Akio Okamiya
- B08 - CLEANING