Kenichi Yoneyama

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Ichihara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium and method of producing the same
- Patent number 6,316,062
- Issue date Nov 13, 2001
- Showa Denko K.K.
- Ryuji Sakaguchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording medium, and manufacturing method for the same
- Publication number 20020064606
- Publication date May 30, 2002
- Showa Denko K.K.
- Ryuji Sakaguchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...