{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9612762","patent":{"patent_number":"US-9612762","title":"Nonvolatile semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2016-05-27T00:00:00.000Z","publication_date":"2017-04-04T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":19,"abstract":"A nonvolatile semiconductor memory device comprises a cell unit including a first and a second selection gate transistor and a memory string provided between the first and second selection gate transistors and composed of a plurality of serially connected electrically erasable programmable memory cells operative to store effective data; and a data write circuit operative to write data into the memory cell, wherein the number of program stages for at least one of memory cells on both ends of the memory string is lower than the number of program stages for other memory cells, and the data write circuit executes the first stage program to the memory cell having the number of program stages lower than the number of program stages for the other memory cells after the first stage program to the other memory cells."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Nonvolatile semiconductor memory device","description":"A nonvolatile semiconductor memory device comprises a cell unit including a first and a second selection gate transistor and a memory string provided between the first and second selection gate transi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9612762","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-9612762","citation_suggestion":"Patentable. \"Nonvolatile semiconductor memory device\" (US-9612762). https://patentable.app/patents/US-9612762","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9612762","json":"https://patentable.app/api/llm-context/US-9612762","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:23:41.478Z"}