{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11288381","patent":{"patent_number":"US-11288381","title":"Calculation device, calculation method, calculation program and calculation system","assignee":null,"inventors":[],"filing_date":"2020-05-22T00:00:00.000Z","publication_date":"2022-03-29T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","H04L","H04L","H04L","H04L","G06F","H04L","H04L"],"num_claims":11,"abstract":"Provided with a calculation device for performing a calculation for an encryption data in a virtual execution environment protected from a standard execution environment, the calculation device has a virtual execution environment construction unit for constructing the virtual execution environment, and the virtual execution environment includes: an encryption data acquisition unit for acquiring the encryption data; a source code acquisition unit for acquiring a source code for the calculation; a key acquisition unit for acquiring the system key; a decryption unit for decrypting the encryption data by the acquired system key; a source code execution unit for executing the source code; an encryption unit for encrypting a calculation result to which the source code is executed by the system key; and a calculation result providing unit for providing the encrypted calculation result to the standard execution environment."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Calculation device, calculation method, calculation program and calculation system","description":"Provided with a calculation device for performing a calculation for an encryption data in a virtual execution environment protected from a standard execution environment, the calculation device has a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11288381","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-11288381","citation_suggestion":"Patentable. \"Calculation device, calculation method, calculation program and calculation system\" (US-11288381). https://patentable.app/patents/US-11288381","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11288381","json":"https://patentable.app/api/llm-context/US-11288381","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:24:14.054Z"}