{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11281590","patent":{"patent_number":"US-11281590","title":"Controller, operating method thereof and storage device including the same","assignee":null,"inventors":[],"filing_date":"2019-11-26T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F"],"num_claims":19,"abstract":"A controller may include a memory configured to store a map update list in which information of map segments whose mapping information is to be updated is registered The controller may also include an unmap module. The unmap module may, in response to receiving an unmap command, generate a list information bitmap indicating map segments which are already registered in the map update list, check, using the generate list information bitmap, whether one or more unmap target map segments corresponding to the unmap command overlap the map segments registered in the map update list, using the generate list information bitmap, and selectively register the one or more unmap target map segments into the map update list according to the check result."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Controller, operating method thereof and storage device including the same","description":"A controller may include a memory configured to store a map update list in which information of map segments whose mapping information is to be updated is registered The controller may also include an","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11281590","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-11281590","citation_suggestion":"Patentable. \"Controller, operating method thereof and storage device including the same\" (US-11281590). https://patentable.app/patents/US-11281590","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11281590","json":"https://patentable.app/api/llm-context/US-11281590","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:44:49.329Z"}