{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11516021","patent":{"patent_number":"US-11516021","title":"Information processing apparatus, communication device, and information processing system","assignee":null,"inventors":[],"filing_date":"2019-02-25T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L"],"num_claims":8,"abstract":"According to one embodiment, an information processing apparatus includes one or more processors. The processors store a first public key certificate and second public key certificates in storage. The first public key certificate includes a first validity period, a signature, and a public key. Each of the second public key certificates including a signature and a second validity period that is within the first validity period and shorter than the first validity period. The second validity periods included in the second public key certificates are mutually different. The processors receive specific information of the first public key certificate. The processors transmit one of the plurality of second public key certificate including the second validity period in which a start time of the second validity period is before a current time and generated from the first public key certificate specified by the received specific information to a transmission source of the specific information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Information processing apparatus, communication device, and information processing system","description":"According to one embodiment, an information processing apparatus includes one or more processors. The processors store a first public key certificate and second public key certificates in storage. The","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11516021","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-11516021","citation_suggestion":"Patentable. \"Information processing apparatus, communication device, and information processing system\" (US-11516021). https://patentable.app/patents/US-11516021","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11516021","json":"https://patentable.app/api/llm-context/US-11516021","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:00:07.755Z"}