Assignee
ALTERA CORP
US·3,312 granted patents·205 pending applications·71,617 citations·filing 1984–2025
Top patents by PatentIndex Score
3,517 records- 0199US10476505B2Apparatus for flexible electronic interfaces and associated methodsALTERA CORP·Filed 2018·Granted Nov 12, 2019·34 cites·20 claims
- 0299US9279850B1Physically unclonable functions with enhanced margin testingALTERA CORP·Filed 2015·Granted Mar 8, 2016·54 cites·20 claims
- 0399US7996749B2Signal loss detector for high-speed serial interface of a programmable logic deviceALTERA CORP·Filed 2007·Granted Aug 9, 2011·414 cites·20 claims
- 0499US7675317B2Integrated circuits with adjustable body bias and power supply circuitryALTERA CORP·Filed 2007·Granted Mar 9, 2010·128 cites·18 claims
- 0599US7525360B1I/O duty cycle and skew controlALTERA CORP·Filed 2007·Granted Apr 28, 2009·117 cites·20 claims
- 0699US6798240B1Logic circuitry with shared lookup tableALTERA CORP·Filed 2003·Granted Sep 28, 2004·175 cites·35 claims
- 0799US6704889B2Enhanced embedded logic analyzerALTERA CORP·Filed 2002·Granted Mar 9, 2004·211 cites·18 claims
- 0899US6525678B1Configuring a programmable logic deviceALTERA CORP·Filed 2001·Granted Feb 25, 2003·165 cites·19 claims
- 0999US6215326B1Programmable logic device architecture with super-regions having logic regions and a memory regionALTERA CORP·Filed 1999·Granted Apr 10, 2001·331 cites·20 claims
- 1099US5949710AProgrammable interconnect junctionALTERA CORP·Filed 1996·Granted Sep 7, 1999·191 cites·48 claims
- 1199US5815726ACoarse-grained look-up table architectureALTERA CORP·Filed 1995·Granted Sep 29, 1998·287 cites·32 claims
- 1299US5744991ASystem for distributing clocks using a delay lock loop in a programmable logic circuitALTERA CORP·Filed 1995·Granted Apr 28, 1998·216 cites·6 claims
- 1399US5689195AProgrammable logic array integrated circuit devicesALTERA CORP·Filed 1995·Granted Nov 18, 1997·454 cites·19 claims
- 1499US5550782AProgrammable logic array integrated circuitsALTERA CORP·Filed 1994·Granted Aug 27, 1996·369 cites·21 claims
- 1599US5537057AProgrammable logic array device with grouped logic regions and three types of conductorsALTERA CORP·Filed 1995·Granted Jul 16, 1996·326 cites·43 claims
- 1699US5487143AComputer user interface having tiled and overlapped window areasALTERA CORP·Filed 1994·Granted Jan 23, 1996·323 cites·12 claims
- 1799US5485103AProgrammable logic array with local and global conductorsALTERA CORP·Filed 1994·Granted Jan 16, 1996·285 cites·17 claims
- 1899US5371422AProgrammable logic device having multiplexers and demultiplexers randomly connected to global conductors for interconnections between logic elementsALTERA CORP·Filed 1993·Granted Dec 6, 1994·302 cites·32 claims
- 1999US5260611AProgrammable logic array having local and long distance conductorsALTERA CORP·Filed 1992·Granted Nov 9, 1993·496 cites·11 claims
- 2099US5260610AProgrammable logic element interconnections for programmable logic array integrated circuitsALTERA CORP·Filed 1991·Granted Nov 9, 1993·486 cites·26 claims
- 2199US5258668AProgrammable logic array integrated circuits with cascade connections between logic modulesALTERA CORP·Filed 1992·Granted Nov 2, 1993·273 cites·8 claims
- 2299US5121006ARegistered logic macrocell with product term allocation and adjacent product term stealingALTERA CORP·Filed 1991·Granted Jun 9, 1992·265 cites·12 claims
- 2399US4899067AProgrammable logic devices with spare circuits for use in replacing defective circuitsALTERA CORP·Filed 1988·Granted Feb 6, 1990·258 cites·15 claims
- 2499US4677318AProgrammable logic storage element for programmable logic devicesALTERA CORP·Filed 1985·Granted Jun 30, 1987·258 cites·15 claims
- 2598US9331062B1Integrated circuits with backside power deliveryALTERA CORP·Filed 2013·Granted May 3, 2016·57 cites·16 claims
- 2698US9106229B1Programmable interposer circuitryALTERA CORP·Filed 2013·Granted Aug 11, 2015·187 cites·21 claims
- 2798US9059696B1Interposer with programmable power gating granularityALTERA CORP·Filed 2013·Granted Jun 16, 2015·61 cites·17 claims
- 2898US9030244B1Clock duty cycle calibration circuitryALTERA CORP·Filed 2014·Granted May 12, 2015·32 cites·17 claims
- 2998US7586322B1Test structure and method for measuring mismatch and well proximity effectsALTERA CORP·Filed 2007·Granted Sep 8, 2009·102 cites·13 claims
- 3098US7550994B1Programmable logic device with on-chip nonvolatile user memoryALTERA CORP·Filed 2007·Granted Jun 23, 2009·76 cites·28 claims
- 3198US7420390B1Method and apparatus for implementing additional registers in field programmable gate arrays to reduce design sizeALTERA CORP·Filed 2006·Granted Sep 2, 2008·61 cites·37 claims
- 3298US7346644B1Devices and methods with programmable logic and digital signal processing regionsALTERA CORP·Filed 2006·Granted Mar 18, 2008·101 cites·4 claims
- 3398US7190190B1Programmable logic device with on-chip nonvolatile user memoryALTERA CORP·Filed 2004·Granted Mar 13, 2007·117 cites·27 claims
- 3498US7135888B1Programmable routing structures providing shorter timing delays for input/output signalsALTERA CORP·Filed 2004·Granted Nov 14, 2006·179 cites·19 claims
- 3598US6943579B1Variable fixed multipliers using memory blocksALTERA CORP·Filed 2003·Granted Sep 13, 2005·418 cites·39 claims
- 3698US6943580B2Fracturable lookup table and logic elementALTERA CORP·Filed 2003·Granted Sep 13, 2005·105 cites·35 claims
- 3798US6750675B2Programmable logic devices with multi-standard byte synchronization and channel alignment for communicationALTERA CORP·Filed 2002·Granted Jun 15, 2004·108 cites·20 claims
- 3898US6686769B1Programmable I/O element circuit for high speed logic devicesALTERA CORP·Filed 2001·Granted Feb 3, 2004·146 cites·29 claims
- 3998US6556044B2Programmable logic device including multipliers and configurations thereof to reduce resource utilizationALTERA CORP·Filed 2001·Granted Apr 29, 2003·233 cites·72 claims
- 4098US6538470B1Devices and methods with programmable logic and digital signal processing regionsALTERA CORP·Filed 2001·Granted Mar 25, 2003·318 cites·56 claims
- 4198US6433579B1Programmable logic integrated circuit devices with differential signaling capabilitiesALTERA CORP·Filed 2001·Granted Aug 13, 2002·136 cites·50 claims
- 4298US6407576B1Interconnection and input/output resources for programmable logic integrated circuit devicesALTERA CORP·Filed 2000·Granted Jun 18, 2002·183 cites·41 claims
- 4398US6292016B1Programmable logic with on-chip DLL or PLL to distribute clockALTERA CORP·Filed 2000·Granted Sep 18, 2001·93 cites·38 claims
- 4498US6275065B1Programmable logic integrated circuit architecture incorporating a lonely registerALTERA CORP·Filed 2000·Granted Aug 14, 2001·123 cites·38 claims
- 4598US6271679B1I/O cell configuration for multiple I/O standardsALTERA CORP·Filed 2000·Granted Aug 7, 2001·103 cites·15 claims
- 4698US6205579B1Method for providing remote software technical supportALTERA CORP·Filed 1997·Granted Mar 20, 2001·164 cites·56 claims
- 4798US6134173AProgrammable logic array integrated circuitsALTERA CORP·Filed 1998·Granted Oct 17, 2000·143 cites·108 claims
- 4898US6020760AI/O buffer circuit with pin multiplexingALTERA CORP·Filed 1997·Granted Feb 1, 2000·202 cites·23 claims
- 4998US6020758APartially reconfigurable programmable logic deviceALTERA CORP·Filed 1996·Granted Feb 1, 2000·201 cites·7 claims
- 5098US6020759AProgrammable logic array device with random access memory configurable as product termsALTERA CORP·Filed 1998·Granted Feb 1, 2000·144 cites·27 claims
Showing the top 50 of 3,517 patent records by PatentIndex Score.
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