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Michio Matsumura
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Saitama, JP
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last 30 patents
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Patent Grant
Heat-foamable olefinic resin composition and process for production...
Patent number
4,510,031
Issue date
Apr 9, 1985
Sekisui Kagaku Kogyo Kabushiki Kaisha
Michio Matsumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for producing crosslinked and foamed resin sheet
Patent number
4,203,815
Issue date
May 20, 1980
Sekisui Kagaku Kogyo Kabushiki Kaisha
Yoichiro Noda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL