{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11947492","patent":{"patent_number":"US-11947492","title":"Information processing device, terminal device, and search method","assignee":null,"inventors":[],"filing_date":"2020-09-30T00:00:00.000Z","publication_date":"2024-04-02T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","H04L","H04L","H04L"],"num_claims":9,"abstract":"An information processing device (100) has: an acquisition unit (131) which acquires, from a second terminal device (50) of a second user, an encryption search index, which is a search keyword encrypted by searchable encryption using a shared key and a verification key acquired from a first terminal device (10) of a first user who owns a document, and an identifier of the second user who searches for the document; a test unit (132) which checks a database, in which the encrypted-document index of an encrypted keyword of the document generated in the first terminal device (10), an encrypted document associated with the encrypted-document index, and a test key and a re-encryption key corresponding to the second user are registered, and tests the encryption search index by using the test key based on the identifier of the second user; and a generation unit (133, 134) which encrypts the encrypted document, which has been searched for by using the tested encryption search index, by the re-encryption key based on the identifier of the second user to generate a search result."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Information processing device, terminal device, and search method","description":"An information processing device (100) has: an acquisition unit (131) which acquires, from a second terminal device (50) of a second user, an encryption search index, which is a search keyword encrypt","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11947492","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11947492","citation_suggestion":"Patentable. \"Information processing device, terminal device, and search method\" (US-11947492). https://patentable.app/patents/US-11947492","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11947492","json":"https://patentable.app/api/llm-context/US-11947492","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:20:23.180Z"}