Masayuki Ishkawa

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method to refine lubricant for a magnetic recording medium
- Patent number 7,199,087
- Issue date Apr 3, 2007
- Fuji Electric Device Technology Co., Ltd.
- Yoshihito Osawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Method to refine lubricant for a magnetic recording medium
- Publication number 20040092406
- Publication date May 13, 2004
- Fuji Electric Co., Ltd.
- Yoshihito Osawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...