Junichi Yamasaki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane resin binder for magnetic recording mediums comprising...
- Patent number 5,124,424
- Issue date Jun 23, 1992
- Nippon Polyurethane Industry Co., Ltd.
- Masato Endo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...