Masayuki Takakuwa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical recording medium having pit pitch greater than groo...
- Patent number 6,654,337
- Issue date Nov 25, 2003
- Sony Corporation
- Sohmei Endoh
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Recording medium and recording medium master, and method of manufac...
- Publication number 20020024924
- Publication date Feb 28, 2002
- Sony Corporation
- Sohmei Endoh
- G11 - INFORMATION STORAGE