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Hiroki Yanagisawa
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Kanuma-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Production method of foamed polypropylene resin beads
Patent number
6,838,488
Issue date
Jan 4, 2005
JSP Corporation
Hidehiro Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Production method of foamed polypropylene resin beads
Publication number
20030034580
Publication date
Feb 20, 2003
JSP CORPORATION
Hidehiro Sasaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL