{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10499219","patent":{"patent_number":"US-10499219","title":"Information sharing system, computer, and information sharing method without using confidential information provided in advance","assignee":null,"inventors":[],"filing_date":"2017-06-26T00:00:00.000Z","publication_date":"2019-12-03T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04L","H04L","H04W","H04W"],"num_claims":9,"abstract":"An information sharing system includes a server and an in-vehicle system. The server includes: a first storage part; a first key generation part configured to generate a first private key and a first public key, if keys can be exchanged with the in-vehicle system; and a signature generation part configured to generate a signature value of the first public key using a server private key. The in-vehicle system includes: a second storage part configured to store a public key certificate including a server public key; a signature verification part configured to verify the first public key and a signature value received from the server, using a public key certificate; and a second key generation part configured to generate a second private key and a second public key, if a combination of the first public key and the signature value is correct as a result of the verification."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Information sharing system, computer, and information sharing method without using confidential information provided in advance","description":"An information sharing system includes a server and an in-vehicle system. The server includes: a first storage part; a first key generation part configured to generate a first private key and a first ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10499219","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-10499219","citation_suggestion":"Patentable. \"Information sharing system, computer, and information sharing method without using confidential information provided in advance\" (US-10499219). https://patentable.app/patents/US-10499219","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10499219","json":"https://patentable.app/api/llm-context/US-10499219","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T03:57:02.987Z"}