Patent assignee · US · COMPANY

Actel Corporation

467Patents
157Active
467Granted
47Portfolio score

Filing activity: Nov 4, 1985 → May 3, 2012 · 154 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4758745A User programmable integrated circuit interconnect architecture and test method Electricity 475 Expired
US4876220A Method of making programmable low impedance interconnect diode element Electricity 445 Expired
US4873459A Programmable interconnect architecture Electricity 398 Expired
US4881114A Selectively formable vertical diode circuit element Emerging Cross-Sectional Technologies 331 Expired
US5485031A Antifuse structure suitable for VLSI application Electricity 304 Expired
US4823181A Programmable low impedance anti-fuse element Electricity 304 Expired
US7459763B1 Reprogrammable metal-to-metal antifuse employing carbon-containing antifuse material Electricity 261 Expired
US7015719B1 Tileable field-programmable gate array architecture Electricity 261 Expired
US7393722B1 Reprogrammable metal-to-metal antifuse employing carbon-containing antifuse material Electricity 261 Active
US7358601B1 Architecture for face-to-face bonding between substrate and multiple daughter chips Electricity 259 Expired
US7459772B2 Face-to-face bonded I/O circuit die and functional logic circuit die system Electricity 259 Expired
US7495473B2 Non-volatile look-up table for an FPGA Electricity 259 Active
US6888375B2 Tileable field-programmable gate array architecture Electricity 257 Expired
US5070384A Electrically programmable antifuse element incorporating a dielectric and amorphous silicon interlayer Electricity 236 Expired
US4899205A Electrically-programmable low-impedance anti-fuse element Electricity 231 Expired
US4943538A Programmable low impedance anti-fuse element Electricity 213 Expired
US5132571A Programmable interconnect architecture having interconnects disposed above function modules Electricity 202 Expired
US5457644A Field programmable digital signal processing array integrated circuit Physics 191 Expired
US5821776A Field programmable gate array with mask programmed analog function circuits Electricity 184 Expired
US6211697A Integrated circuit that includes a field-programmable gate array and a hard gate array having the same underlying structure Electricity 172 Expired
US6150837A Enhanced field programmable gate array Electricity 169 Expired
US5744980A Flexible, high-performance static RAM architecture for field-programmable gate arrays Electricity 156 Expired
US4910417A Universal logic module comprising multiplexers Electricity 149 Expired
US5587603A Two-transistor zero-power electrically-alterable non-volatile latch Electricity 140 Expired
US6838902B1 Synchronous first-in/first-out block memory for a field programmable gate array Electricity 136 Expired

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