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Method for molding disc substrate
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Patent number 7,632,429
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Issue date Dec 15, 2009
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Sony Corporation
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Yoshihito Fukushima
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Molding die for disc substrate
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Patent number 7,101,171
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Issue date Sep 5, 2006
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Sony Disc & Digital Solutions Inc.
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Osamu Matsuura
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Die for molding disc substrates
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Patent number 7,074,031
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Issue date Jul 11, 2006
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Kabushiki Kaisha Meiki Seisakusho
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Toshiyuki Ebina
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Mold component and mold assembly
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Patent number 7,044,726
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Issue date May 16, 2006
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TDK Corporation
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Atsushi Koyama
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Die for molding disc substrates
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Patent number 7,018,193
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Issue date Mar 28, 2006
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Kabushiki Kaisha Meiki Seisakusho
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Toshiyuki Ebina
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Die for molding disc substrates
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Patent number 6,971,866
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Issue date Dec 6, 2005
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Kabushiki Kaisha Meiki Seisakusho
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Toshiyuki Ebina
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Molding die for optical recording disk
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Patent number 6,520,764
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Issue date Feb 18, 2003
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Sony Corporation
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Yoshinori Ito
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Mould for manufacturing disc-like objects
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Patent number 6,322,350
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Issue date Nov 27, 2001
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Axxicon Moulds Eindhoven B.V.
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Martinus Henricus Joseph Voets
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Optical disc molding apparatus
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Patent number 6,302,674
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Issue date Oct 16, 2001
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Sony Corporation
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Nobuyuki Arakawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Injection mould
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Patent number 6,238,197
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Issue date May 29, 2001
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Axxicon Moulds Eindhoven B.V.
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Petrus Johannes Frederik Joseph Van Hout
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Dynamic mold seal
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Patent number 6,146,125
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Issue date Nov 14, 2000
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Husky Injection Molding Systems Ltd.
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John DiSimone
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Dynamic mold seal
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Patent number 6,143,231
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Issue date Nov 7, 2000
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Husky Injection Molding Systems Ltd.
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John DiSimone
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Optical disc molding apparatus
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Patent number 6,142,761
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Issue date Nov 7, 2000
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Sony Corporation
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Nobuyuki Arakawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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