US Patent 11094345 Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device
Patent 11094345 was granted and assigned to Hoya on August, 2021 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 26, 2019
Date of Patent
August 17, 2021
Patent Applicant
Patent Application Number
20190426
Patent Citations Received
Patent Jurisdiction
Patent Number
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