{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10489309","patent":{"patent_number":"US-10489309","title":"Memory protection key architecture with independent user and supervisor domains","assignee":null,"inventors":[],"filing_date":"2014-10-21T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F"],"num_claims":22,"abstract":"A processing system includes a processing core to execute a task and a memory management unit, coupled to the core. The memory management unit includes a storage unit to store a page table entry including one or more identifiers of memory frames, a protection key, and an access mode bit indicating whether the one or more memory frames are accessible according to a user mode or according to a supervisor mode, a first permission register including a plurality of fields, each field comprising a set of bits reflecting a set of memory access permissions under the user mode, and a second permission register storing a plurality of fields, each field comprising a set of bits reflecting a set of memory access permissions under the supervisor mode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Memory protection key architecture with independent user and supervisor domains","description":"A processing system includes a processing core to execute a task and a memory management unit, coupled to the core. The memory management unit includes a storage unit to store a page table entry inclu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10489309","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-10489309","citation_suggestion":"Patentable. \"Memory protection key architecture with independent user and supervisor domains\" (US-10489309). https://patentable.app/patents/US-10489309","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10489309","json":"https://patentable.app/api/llm-context/US-10489309","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:16:12.776Z"}