Kouji Arakawa

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Low shrinkage unsaturated polyester resin compositions
- Patent number 4,322,334
- Issue date Mar 30, 1982
- Hitachi Chemical Company, Ltd.
- Kouji Arakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low shrinkage polyester resin compositions
- Patent number 4,251,641
- Issue date Feb 17, 1981
- Hitachi Chemical Company, Ltd.
- Kouji Arakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...