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Hiratsuka, JP
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last 30 patents
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Patent Grant
Transparent gas-barrier multilayer structure
Patent number
5,106,693
Issue date
Apr 21, 1992
Mitsubishi Gas Chemical Company, Inc.
Masahiro Harada
B32 - LAYERED PRODUCTS
Information
Patent Grant
Gas-barrier multilayered structure
Patent number
4,908,272
Issue date
Mar 13, 1990
Mitsubishi Gas Chemical Company, Inc.
Masahiro Harada
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for the preparation of a foamed article of a polyolefin resin
Patent number
4,674,976
Issue date
Jun 23, 1987
Japan Styrene Paper Corporation
Junsuke Naohara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for the preparation of a foamed article of a polyolefin r...
Patent number
4,589,845
Issue date
May 20, 1986
Japan Styrene Paper Corp.
Junsuke Naohara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL