Syoichi Nakayama

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite substrate plate for magnetic or optical disk and process...
- Patent number 4,673,602
- Issue date Jun 16, 1987
- Sumitomo Bakelite Company Limited
- Syoichi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 4,576,896
- Issue date Mar 18, 1986
- Sumitomo Bakelite Company Limited
- Setsuo Suzuki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...