Patent assignee · KR · COMPANY

UNITEST INC

30Patents
25Active
30Granted
49Portfolio score

Filing activity: Aug 8, 2002 → May 11, 2018 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7302623B2 Algorithm pattern generator for testing a memory device and memory tester using the same Physics 8 Expired
US6883128B2 PC and ATE integrated chip test equipment Physics 7 Expired
US9171643B2 Solid state drive tester Physics 5 Active
US7459399B2 Method for manufacturing probe structure of probe card Physics 3 Active
US7327151B2 Memory application tester having vertically-mounted motherboard Physics 3 Expired
US7288949B2 Semiconductor test interface Physics 3 Expired
US9411700B2 Storage tester capable of individual control for a plurality of storage Physics 3 Active
US9378846B2 Non-mounted storage test device based on FPGA Physics 2 Active
US7652497B2 Sequential semiconductor device tester Physics 2 Active
US9159454B2 Failure detection apparatus for solid state drive tester Physics 2 Active
US7285967B2 Probe card having deeply recessed trench and method for manufacturing the same Physics 2 Expired
US7607056B2 Semiconductor test apparatus for simultaneously testing plurality of semiconductor devices Physics 2 Active
US7739572B2 Tester for testing semiconductor device Physics 2 Active
US7872488B2 Tester for testing semiconductor device Physics 2 Active
US7688099B2 Sequential semiconductor device tester Physics 1 Active
US9062842B2 Lighting device for street lamp Emerging Cross-Sectional Technologies 1 Active
US9459302B2 Device under test tester using redriver Physics 1 Active
US9245613B2 Storage interface apparatus for solid state drive tester Physics 1 Active
US9714977B2 Burn-in test system and method Physics 1 Active
US9153345B2 Error generating apparatus for solid state drive tester Physics 1 Active
US9197212B2 Apparatus and method for correcting output signal of FPGA-based memory test device Electricity 0 Active
US10060969B2 Test board unit and apparatus for testing a semiconductor chip including the same Physics 0 Active
US7656178B2 Method for calibrating semiconductor device tester Physics 0 Active
US9613718B2 Detection system for detecting fail block using logic block address and data buffer address in a storage tester Physics 0 Active
US11031091B2 Apparatus and method for measuring round-trip time of test signal using programmable logic Electricity 0 Active

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