{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11520694","patent":{"patent_number":"US-11520694","title":"Data storage device and operating method thereof","assignee":null,"inventors":[],"filing_date":"2019-09-27T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F"],"num_claims":17,"abstract":"A data storage device includes a nonvolatile memory including a plurality of memory blocks and page buffers for data input/output, the page buffers being electrically connected to the plurality of memory blocks, respectively, and a controller configured to, when a number of free memory blocks among the plurality of memory blocks is equal to or less than a predetermined threshold number, select, as a candidate source memory block group, memory blocks each having a number of valid pages equal to or less than a predetermined number within the nonvolatile memory, select, as a source memory block, a memory block having a minimum amount of time required to read valid data from the valid page within the candidate source memory block group and perform a garbage collection operation to the source memory block."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Data storage device and operating method thereof","description":"A data storage device includes a nonvolatile memory including a plurality of memory blocks and page buffers for data input/output, the page buffers being electrically connected to the plurality of mem","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11520694","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-11520694","citation_suggestion":"Patentable. \"Data storage device and operating method thereof\" (US-11520694). https://patentable.app/patents/US-11520694","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11520694","json":"https://patentable.app/api/llm-context/US-11520694","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:14:46.561Z"}