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US Patent 10146958 Privacy preserving statistical analysis on distributed databases

Patent 10146958 was granted and assigned to Mitsubishi Electric Research Laboratories on December, 2018 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
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Patent
Patent

Patent attributes

Patent Applicant
Mitsubishi Electric Research Laboratories
Mitsubishi Electric Research Laboratories
Current Assignee
Mitsubishi Electric Research Laboratories
Mitsubishi Electric Research Laboratories
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
10146958
Date of Patent
December 4, 2018
Patent Application Number
13804701
Date Filed
March 14, 2013
Patent Citations Received
‌
US Patent 11569985 Preserving inter-party data privacy in global data relationships
‌
US Patent 10380366 Tracking privacy budget with distributed ledger
Patent Primary Examiner
‌
Samson B Lemma
Patent abstract

Aggregate statistics are securely determined on private data by first sampling independent first and second data at one or more clients to obtain sampled data, wherein a sampling parameter substantially smaller than a length of the data. The sampled data are encrypted to obtain encrypted data, which are then combined. The combined encrypted data are randomized to obtain randomized data. At an authorized third-party processor, a joint distribution of the first and second data is estimated from the randomized encrypted data, such that a differential privacy requirement of the first and second is satisfied.

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