Patent assignee · US · COMPANY

Spansion LLC.

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1,078Patents
816Active
1,078Granted
61Portfolio score

Filing activity: Jun 9, 2000 → Aug 14, 2014 · 644 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7945792B2 Tamper reactive memory device to secure data from tamper attacks Physics 1,151 Active
US7414281B1 Flash memory with high-K dielectric material between substrate and gate Electricity 531 Expired
US7979667B2 Memory array search engine Physics 414 Active
US7440333B2 Method of determining voltage compensation for flash memory devices Physics 226 Active
US8117521B2 Implementation of recycling unused ECC parity bits during flash memory programming Physics 167 Active
US8650399B2 Memory device and chip set processor pairing Electricity 153 Active
US7344912B1 Method for patterning electrically conducting poly(phenyl acetylene) and poly(diphenyl acetylene) Electricity 152 Expired
US7038950B1 Multi bit program algorithm Physics 121 Expired
US7130210B2 Multi-level ONO flash program algorithm for threshold width control Physics 98 Expired
US7042766B1 Method of programming a flash memory device using multilevel charge storage Physics 97 Expired
US7115469B1 Integrated ONO processing for semiconductor devices using in-situ steam generation (ISSG) process Electricity 95 Expired
US7391064B1 Memory device with a selection element and a control line in a substantially similar layer Electricity 94 Expired
US7289353B2 Systems and methods for adjusting programming thresholds of polymer memory cells Physics 89 Expired
US7221599B1 Polymer memory cell operation Physics 88 Expired
US7035141B1 Diode array architecture for addressing nanoscale resistive memory arrays Physics 85 Expired
US7365389B1 Memory cell having enhanced high-K dielectric Electricity 76 Expired
US7696017B1 Memory device with a selection element and a control line in a substantially similar layer Electricity 76 Active
US7184338B2 Semiconductor device, semiconductor device testing method, and programming method Physics 72 Expired
US8190919B2 Multiple stakeholder secure memory partitioning and access control Physics 50 Active
US7743203B2 Managing flash memory based upon usage history Physics 45 Active
US7116154B2 Low power charge pump Electricity 42 Expired
US7253046B2 Semiconductor memory device and manufacturing method thereof Electricity 40 Expired
US7739559B2 Semiconductor device and program data redundancy method therefor Physics 39 Active
US7262422B2 Use of supercritical fluid to dry wafer and clean lens in immersion lithography Physics 36 Expired
US7196372B1 Flash memory device Electricity 35 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.