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Fuji, JP
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last 30 patents
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Patent Grant
Method of blow or extrusion molding polyoxymethylene resin
Patent number
5,458,839
Issue date
Oct 17, 1995
Polyplastics Co., Ltd.
Toshiro Murao
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing polyoxymethylene copolymer having reduced amo...
Patent number
5,344,911
Issue date
Sep 6, 1994
Polyplastics Co., Ltd.
Kaoru Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilized polyoxymethylene molding compositions and molded article...
Patent number
5,232,969
Issue date
Aug 3, 1993
Polyplastics Co., Ltd.
Toshiro Murao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for surface treatment of moldings of liquid-crystalline pol...
Patent number
4,997,724
Issue date
Mar 5, 1991
Polyplastics Co., Ltd.
Yoshiharu Suzuki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of treating the surface of a molded article comprising liqui...
Patent number
4,950,360
Issue date
Aug 21, 1990
Polyplastics Co., Ltd.
Toshiro Murao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...