Hirobumi Izumi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacture of polybutadiene-modified unsaturated polyester
- Patent number 4,370,446
- Issue date Jan 25, 1983
- Hitachi Chemical Company, Ltd.
- Tsutomu Toyoda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Unsaturated polyester resin composition for coating metal substrates
- Patent number 4,304,883
- Issue date Dec 8, 1981
- Hitachi Chemical Company, Ltd.
- Tadashi Fujii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...