{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11991334","patent":{"patent_number":"US-11991334","title":"Image forming apparatus, control method, and storage medium","assignee":null,"inventors":[],"filing_date":"2021-10-21T00:00:00.000Z","publication_date":"2024-05-21T00:00:00.000Z","cpc_codes":["H04N","H04L","H04L"],"num_claims":10,"abstract":"An image forming apparatus that cooperates with a management service and a blockchain service generates, in printing a document stored in the management service, one or more embedded images based on existence proof information and tampering detection information, registers the existence proof information and the tampering detection information with the blockchain service, performs printing of the document with the one or more embedded images embedded therein, and, when verifying a printed product obtained by the printing, performs two verifications indicating that information about the printed product exists in the blockchain service and that there is no tampering in the printed product, by decoding the one or more embedded images included in the printed product to acquire the existence proof information and the tampering detection information and making an inquiry about the existence proof information and the tampering detection information registered in blocks of the blockchain service."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image forming apparatus, control method, and storage medium","description":"An image forming apparatus that cooperates with a management service and a blockchain service generates, in printing a document stored in the management service, one or more embedded images based on e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11991334","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-11991334","citation_suggestion":"Patentable. \"Image forming apparatus, control method, and storage medium\" (US-11991334). https://patentable.app/patents/US-11991334","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11991334","json":"https://patentable.app/api/llm-context/US-11991334","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:00:52.612Z"}