Yoshiaki Maeda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic polyurethane resin from p-phenylene diisocyanate, a p...
- Patent number 5,066,762
- Issue date Nov 19, 1991
- Nippon Polyurethane Industry Co., Ltd.
- Yukio Ohbuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting urethane elastomer
- Patent number 5,021,534
- Issue date Jun 4, 1991
- Nippon Polyurethane Industry Co., Ltd.
- Masahiro Kawasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...