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last 30 patents
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Patent Grant
Stamper holder, mold component, and mold assembly
Patent number
7,186,109
Issue date
Mar 6, 2007
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Intermediate for optical recording medium, mold, molding apparatus,...
Patent number
7,138,165
Issue date
Nov 21, 2006
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Mold component and mold assembly
Patent number
7,044,726
Issue date
May 16, 2006
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Information recording medium preform, method of manufacturing an in...
Publication number
20040212122
Publication date
Oct 28, 2004
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Stamper holder, mold component, and mold assembly
Publication number
20040191352
Publication date
Sep 30, 2004
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Mold component and mold assembly
Publication number
20040062830
Publication date
Apr 1, 2004
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Intermediate for optical recording medium, mold, molding apparatus,...
Publication number
20040061247
Publication date
Apr 1, 2004
TDK Corporation
Atsushi Koyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL