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US Patent 11349494 Data compression apparatus and data compression method

Patent 11349494 was granted and assigned to Hitachi, Ltd. on May, 2022 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
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Current Assignee
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
113494940
Patent Inventor Names
Yuusaku Kiyota0
Shoji Kato0
Takeshi Hirao0
Date of Patent
May 31, 2022
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Patent Application Number
171926330
Date Filed
March 4, 2021
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Patent Citations
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US Patent 10084484 Storage control apparatus and non-transitory computer-readable storage medium storing computer program
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US Patent 11030063 Ensuring data integrity during large-scale data migration
Patent Primary Examiner
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Lam T. Mai
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CPC Code
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H03M 7/40
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H03M 13/00
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A compression engine calculates replacement CRC codes, in predetermined data lengths, for DIF-in cleartext data including cleartext data and multiple CRC codes based on the cleartext data. The compression engine generates headered compressed-text data in which a header including the replacement CRC codes is added to compressed-text data in which the cleartext data is compressed, and generates code-in compressed-text data by calculating multiple CRC codes based on the headered compressed-text data to add the calculated CRC codes to the headered compressed-text data.

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