Masami Arai

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Shimodate, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing high molecular weight epoxy resin using an amid...
- Patent number 5,391,687
- Issue date Feb 21, 1995
- Hitachi Chemical Company Ltd.
- Katsuji Shibata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing epoxy resin film
- Patent number 5,304,399
- Issue date Apr 19, 1994
- Hitachi Chemical Co., Ltd.
- Katsuji Shibata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin film and method of producing epoxy resin film
- Patent number 5,225,268
- Issue date Jul 6, 1993
- Hitachi Chemical Company, Ltd.
- Katsuji Shibata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous production of copper-clad laminate
- Patent number 4,510,008
- Issue date Apr 9, 1985
- Hitachi Chemical Company, Ltd.
- Ikuo Hoshi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL