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Toyonaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Die for molding optical panel, process for production thereof, and...
Patent number
7,094,520
Issue date
Aug 22, 2006
Sumitomo Chemical Company, Limited
Kenzo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Molded optical panel and mold therefore
Patent number
6,663,253
Issue date
Dec 16, 2003
Stanley Electric Company, Limited
Shinzo Murase
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Die for molding optical panel, process for production thereof, and...
Publication number
20030173690
Publication date
Sep 18, 2003
Sumitomo Chemical Company, Limited
Kenzo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Molded optical panel and mold therefore
Publication number
20010048594
Publication date
Dec 6, 2001
Shinzo Murase
G02 - OPTICS