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US Patent 7891212 Magnetic disk glass substrate

Patent 7891212 was granted and assigned to Hoya on February, 2011 by the United States Patent and Trademark Office.

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
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Current Assignee
Hoya
Hoya
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Date Filed
March 24, 2005
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Date of Patent
February 22, 2011
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Patent Application Number
10594248
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Patent Citations Received
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US Patent 12122711 Steam strengthenable glass compositions with low phosphorous content
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US Patent 12013374 Break strength method for testing glass laser cut quality of disc substrates using break testing apparatus
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US Patent 12060298 Glass compositions and methods with steam treatment haze resistance
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US Patent 12116311 Glass-based articles including a metal oxide concentration gradient
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US Patent 11691913 Glass-based articles including a metal oxide concentration gradient
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US Patent 11746046 Strengthened glass with ultra deep depth of compression
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US Patent 11760685 Water-containing glass-based articles with high indentation cracking threshold
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US Patent 11767258 Glass compositions and methods for strengthening via steam treatment
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US Patent 11767255 Glass compositions and methods with steam treatment haze resistance
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US Patent 11878936 Fusion-formable glass-based articles including a metal oxide concentration gradient
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•••
Patent Inventor Names
Hideki Isono
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
7891212
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Patent Primary Examiner
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Kevin M Bernatz
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