Patent assignee · US · COMPANY

LogicVision, Inc.

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56Patents
3Active
56Granted
39Portfolio score

Filing activity: Jun 14, 1996 → May 24, 2006 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6829730B2 Method of designing circuit having multiple test access ports, circuit produced thereby and method of using same Physics 141 Expired
US6442722B1 Method and apparatus for testing circuits with multiple clocks Physics 115 Expired
US5923676A Bist architecture for measurement of integrated circuit delays Physics 95 Expired
US6000051A Method and apparatus for high-speed interconnect testing Physics 83 Expired
US6327684A Method of testing at-speed circuits having asynchronous clocks and controller for use therewith Physics 61 Expired
US6204694A Programmable clock signal generation circuits and methods for generating accurate, high frequency, clock signals Physics 58 Expired
US6671839B1 Scan test method for providing real time identification of failing test patterns and test bist controller for use therewith Physics 56 Expired
US6586921B1 Method and circuit for testing DC parameters of circuit input and output nodes Physics 56 Expired
US5659312A Method and apparatus for testing digital to analog and analog to digital converters Electricity 55 Expired
US6363520B1 Method for testability analysis and test point insertion at the RT-level of a hardware development language (HDL) specification Physics 52 Expired
US5900753A Asynchronous interface Physics 50 Expired
US6510534B1 Method and apparatus for testing high performance circuits Physics 45 Expired
US6396889B1 Method and circuit for built in self test of phase locked loops Electricity 38 Expired
US6760874B2 Test access circuit and method of accessing embedded test controllers in integrated circuit modules Physics 36 Expired
US6330681A Method and apparatus for controlling power level during BIST Physics 36 Expired
US7370251B2 Method and circuit for collecting memory failure information Physics 35 Expired
US6536008B1 Fault insertion method, boundary scan cells, and integrated circuit for use therewith Physics 35 Expired
US6492798B2 Method and circuit for testing high frequency mixed signal circuits with low frequency signals Physics 34 Expired
US6115827A Clock skew management method and apparatus Physics 34 Expired
US5812469A Method and apparatus for testing multi-port memory Physics 30 Expired
US6745359B2 Method of masking corrupt bits during signature analysis and circuit for use therewith Physics 30 Expired
US6211803A Test circuit and method for measuring switching point voltages and integral non-linearity (INL) of analog to digital converters Electricity 25 Expired
US6615392B1 Hierarchical design and test method and system, program product embodying the method and integrated circuit produced thereby Physics 25 Expired
US6834361B2 Method of testing embedded memory array and embedded memory controller for use therewith Physics 24 Expired
US6678875B2 Self-contained embedded test design environment and environment setup utility Physics 24 Expired

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