Patent assignee · US · COMPANY

UNITY SEMICONDUCTOR

297Patents
253Active
297Granted
59Portfolio score

Filing activity: Dec 26, 2002 → Jul 12, 2024 · 112 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6753561B1 Cross point memory array using multiple thin films Physics 260 Expired
US7719876B2 Preservation circuit and methods to maintain values representing data in one or more layers of memory Physics 229 Active
US7020006B2 Discharge of conductive array lines in fast memory Physics 160 Expired
US6834008B2 Cross point memory array using multiple modes of operation Physics 117 Expired
US6836421B2 Line drivers that fit within a specified line pitch Physics 114 Expired
US8045364B2 Non-volatile memory device ion barrier Physics 113 Active
US7538338B2 Memory using variable tunnel barrier widths Physics 111 Expired
US7067862B2 Conductive memory device with conductive oxide electrodes Physics 106 Expired
US6965137B2 Multi-layer conductive memory device Physics 105 Expired
US6970375B2 Providing a reference voltage to a cross point memory array Physics 103 Expired
US6917539B2 High-density NVRAM Physics 99 Expired
US6856536B2 Non-volatile memory with a single transistor and resistive memory element Physics 96 Expired
US6859382B2 Memory array of a non-volatile ram Electricity 93 Expired
US7372753B1 Two-cycle sensing in a two-terminal memory array having leakage current Physics 91 Active
US6870755B2 Re-writable memory with non-linear memory element Physics 85 Expired
US7379364B2 Sensing a signal in a two-terminal memory array having leakage current Physics 85 Active
US7054183B2 Adaptive programming technique for a re-writable conductive memory device Physics 85 Expired
US6940744B2 Adaptive programming technique for a re-writable conductive memory device Physics 79 Expired
US6850455B2 Multiplexor having a reference voltage on unselected lines Physics 73 Expired
US7884349B2 Selection device for re-writable memory Electricity 67 Active
US7701791B2 Low read current architecture for memory Physics 64 Active
US7149108B2 Memory array of a non-volatile RAM Electricity 64 Expired
US7057914B2 Cross point memory array with fast access time Physics 63 Expired
US7079442B2 Layout of driver sets in a cross point memory array Physics 63 Expired
US7009909B2 Line drivers that use minimal metal layers Physics 60 Expired

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