Inventor · disambiguated record
Xiaobao Wang
Also filed as: WANG XIAOBAO
89 granted patents·3 pending applications·2,209 citations·filing 1998–2023
99Inventor score
Top patents by PatentIndex Score
92 records- 0199US7525360B1I/O duty cycle and skew controlALTERA CORP·Filed 2007·Granted Apr 28, 2009·117 cites·20 claims
- 0298US6686769B1Programmable I/O element circuit for high speed logic devicesALTERA CORP·Filed 2001·Granted Feb 3, 2004·146 cites·29 claims
- 0398US6433579B1Programmable logic integrated circuit devices with differential signaling capabilitiesALTERA CORP·Filed 2001·Granted Aug 13, 2002·136 cites·50 claims
- 0497US7221193B1On-chip termination with calibrated driver strengthALTERA CORP·Filed 2005·Granted May 22, 2007·67 cites·24 claims
- 0597US6292116B1Techniques and circuitry for accurately sampling high frequency data signals input to an integrated circuitALTERA CORP·Filed 2000·Granted Sep 18, 2001·115 cites·20 claims
- 0696US9711189B1On-die input reference voltage with self-calibrating duty cycle correctionWANG BONNIE I·Filed 2011·Granted Jul 18, 2017·37 cites·12 claims
- 0796US9628082B1Strength-adjustable driverXILINX INC·Filed 2014·Granted Apr 18, 2017·23 cites·20 claims
- 0896US7417452B1Techniques for providing adjustable on-chip termination impedanceALTERA CORP·Filed 2006·Granted Aug 26, 2008·32 cites·25 claims
- 0996US6667641B1Programmable phase shift circuitryALTERA CORP·Filed 2002·Granted Dec 23, 2003·73 cites·27 claims
- 1096US6236231B1Programmable logic integrated circuit devices with low voltage differential signaling capabilitiesALTERA CORP·Filed 1999·Granted May 22, 2001·111 cites·16 claims
- 1195US8610462B1Input-output circuit and method of improving input-output signalsWANG XIAOBAO·Filed 2011·Granted Dec 17, 2013·20 cites·22 claims
- 1295US7994821B1Level shifter circuits and methodsALTERA CORP·Filed 2010·Granted Aug 9, 2011·19 cites·20 claims
- 1395US7973553B1Techniques for on-chip terminationALTERA CORP·Filed 2010·Granted Jul 5, 2011·32 cites·21 claims
- 1494US7218155B1Techniques for controlling on-chip termination resistance using voltage range detectionALTERA CORP·Filed 2005·Granted May 15, 2007·32 cites·23 claims
- 1594US6911860B1On/off reference voltage switch for multiple I/O standardsALTERA CORP·Filed 2001·Granted Jun 28, 2005·59 cites·26 claims
- 1694US6114915AProgrammable wide-range frequency synthesizerALTERA CORP·Filed 1999·Granted Sep 5, 2000·100 cites·17 claims
- 1793US10659215B1Training and tracking of DDR memory interface strobe timingXILINX INC·Filed 2018·Granted May 19, 2020·15 cites·20 claims
- 1893US9111603B1Systems and methods for memory controller reference voltage calibrationWANG XIAOBAO·Filed 2012·Granted Aug 18, 2015·17 cites·20 claims
- 1993US8400186B1Techniques for buffering single-ended and differential signalsWANG XIAOBAO·Filed 2012·Granted Mar 19, 2013·15 cites·20 claims
- 2093US8390315B1Configurable input-output (I/O) circuitry with pre-emphasis circuitryWANG XIAOBAO·Filed 2012·Granted Mar 5, 2013·16 cites·12 claims
- 2193US7420386B2Techniques for providing flexible on-chip termination control on integrated circuitsALTERA CORP·Filed 2006·Granted Sep 2, 2008·30 cites·20 claims
- 2293US6369624B1Programmable phase shift circuitryALTERA CORP·Filed 1999·Granted Apr 9, 2002·78 cites·26 claims
- 2392US6825692B1Input buffer for multiple differential I/O standardsALTERA CORP·Filed 2002·Granted Nov 30, 2004·38 cites·25 claims
- 2491US7425844B1Input buffer for multiple differential I/O standardsALTERA CORP·Filed 2007·Granted Sep 16, 2008·14 cites·24 claims
- 2591US6870413B1Schmitt trigger circuit with adjustable trip point voltagesALTERA CORP·Filed 2001·Granted Mar 22, 2005·47 cites·25 claims
- 2691US6314550B1Cascaded programming with multiple-purpose pinsALTERA CORP·Filed 1998·Granted Nov 6, 2001·57 cites·50 claims
- 2790US10063232B1Digitally controlled impedance calibration for a driver using an on-die reference resistorXILINX INC·Filed 2017·Granted Aug 28, 2018·9 cites·20 claims
- 2890US9500700B1Circuits for and methods of testing the operation of an input/output portXILINX INC·Filed 2013·Granted Nov 22, 2016·10 cites·19 claims
- 2990US6630844B1Supply voltage detection circuitALTERA CORP·Filed 2001·Granted Oct 7, 2003·33 cites·37 claims
- 3089US8531205B1Programmable output bufferWANG BONNIE I·Filed 2012·Granted Sep 10, 2013·10 cites·8 claims
- 3189US6766505B1Parallel programming of programmable logic using register chainsALTERA CORP·Filed 2002·Granted Jul 20, 2004·39 cites·29 claims
- 3289US6661733B1Dual-port SRAM in a programmable logic deviceALTERA CORP·Filed 2001·Granted Dec 9, 2003·39 cites·33 claims
- 3389US6603329B1Systems and methods for on-chip impedance terminationALTERA CORP·Filed 2002·Granted Aug 5, 2003·61 cites·21 claims
- 3488US8149038B1Techniques for phase adjustmentSUNG CHIAKANG·Filed 2010·Granted Apr 3, 2012·11 cites·33 claims
- 3588US6970024B1Over-voltage protection of integrated circuit I/O pinsALTERA CORP·Filed 2004·Granted Nov 29, 2005·34 cites·21 claims
- 3687US10756019B1Systems providing interposer structuresXILINX INC·Filed 2018·Granted Aug 25, 2020·9 cites·20 claims
- 3786US6642758B1Voltage, temperature, and process independent programmable phase shift for PLLALTERA CORP·Filed 2000·Granted Nov 4, 2003·26 cites·24 claims
- 3885US7215143B1Input buffer for multiple differential I/O standardsALTERA CORP·Filed 2004·Granted May 8, 2007·20 cites·30 claims
- 3985US6972593B1Method and apparatus for protecting a circuit during a hot socket conditionALTERA CORP·Filed 2003·Granted Dec 6, 2005·24 cites·19 claims
- 4085US6535031B1Programmable logic integrated circuit devices with low voltage differential signaling capabilitiesALTERA CORP·Filed 2002·Granted Mar 18, 2003·22 cites·22 claims
- 4184US6448820B1Fast locking phase frequency detectorALTERA CORP·Filed 1999·Granted Sep 10, 2002·39 cites·43 claims
- 4283US8022723B1Dynamic termination-impedance control for bidirectional I/O pinsALTERA CORP·Filed 2006·Granted Sep 20, 2011·9 cites·9 claims
- 4381US10656202B1Electronic device including integrated circuit with debug capabilitiesXILINX INC·Filed 2018·Granted May 19, 2020·2 cites·20 claims
- 4481US9054645B1Programmable receivers implemented in an integrated circuit deviceXILINX INC·Filed 2013·Granted Jun 9, 2015·8 cites·18 claims
- 4578US6549045B1Circuit for providing clock signals with low skewALTERA CORP·Filed 2002·Granted Apr 15, 2003·22 cites·31 claims
- 4677US7825682B1Techniques for providing adjustable on-chip termination impedanceALTERA CORP·Filed 2008·Granted Nov 2, 2010·7 cites·20 claims
- 4777US7200769B1Self-compensating delay chain for multiple-date-rate interfacesALTERA CORP·Filed 2002·Granted Apr 3, 2007·17 cites·35 claims
- 4877US7026847B2Programmable current booster for faster edge-rate output in high speed applicationsALTERA CORP·Filed 2003·Granted Apr 11, 2006·19 cites·27 claims
- 4976US6992947B1Dual-port SRAM in a programmable logic deviceALTERA CORP·Filed 2003·Granted Jan 31, 2006·13 cites·20 claims
- 5076US6400598B1Programmable logic integrated circuit devices with low voltage differential signaling capabilitiesALTERA CORP·Filed 2001·Granted Jun 4, 2002·14 cites·19 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →