Inventor · disambiguated record
Chang Xu
Also filed as: XU CHANG · XU CHANG Q · XU CHANG QING
18 granted patents·7 pending applications·221 citations·filing 1996–2024
94Inventor score
Top patents by PatentIndex Score
25 records- 0192US12045615B1Processing of synchronization barrier instructionsAPPLE INC·Filed 2022·Granted Jul 23, 2024·3 cites·20 claims
- 0288US7340119B1Optical sensor and systemUNIV MCMASTER·Filed 2006·Granted Mar 4, 2008·19 cites·20 claims
- 0386US5946129AWavelength conversion apparatus with improved efficiency, easy adjustability, and polarization insensitivityOKI ELECTRIC IND CO LTD·Filed 1997·Granted Aug 31, 1999·66 cites·42 claims
- 0473US10712640B2Speckle reduced laser projection with color gamut optimizationUNIV MCMASTER·Filed 2019·Granted Jul 14, 2020·1 cites·22 claims
- 0573US7210089B2Communication system employing turbo codes and a hybrid automatic repeat request schemeOKI TECHNO CT SINGAPORE PTE·Filed 2002·Granted Apr 24, 2007·20 cites·13 claims
- 0671US2024329990A1Processing of Synchronization Barrier InstructionsAPPLE INC·Filed 2024·Application pending·0 cites
- 0770US7203894B2Method of estimating reliability of decoded message bitsOKI TECHNO CT SINGAPORE PTE·Filed 2004·Granted Apr 10, 2007·18 cites·16 claims
- 0869US5963359AWavelength conversion device employing non-diffracting beamOKI ELECTRIC IND CO LTD·Filed 1997·Granted Oct 5, 1999·39 cites·31 claims
- 0960US12159142B1Managing table accesses for tagged geometric length (TAGE) load value predictionAPPLE INC·Filed 2023·Granted Dec 3, 2024·0 cites·20 claims
- 1059US7376881B2Encoder system, a decoder system, a coding/decoding apparatus, an encoding method and a decoding methodOKI TECHNO CT SINGAPORE PTE·Filed 2005·Granted May 20, 2008·4 cites·20 claims
- 1158US7103117B2Reduced-complexity multipath interference cancellationOKI TECHNO CT SINGAPORE PTE·Filed 2002·Granted Sep 5, 2006·5 cites·14 claims
- 1257US11879866B2Measuring concentrations of mixed gases at an endpointROMET LTD·Filed 2021·Granted Jan 23, 2024·0 cites·20 claims
- 1356US7099405B2Communication systems with hybrid automatic repeat requests (HARQ) and rate matchingOKI TECHNO CT SINGAPORE PTE·Filed 2002·Granted Aug 29, 2006·5 cites·14 claims
- 1455US2023128226A1Laser apparatus and methodUNIV MCMASTER·Filed 2022·Application pending·0 cites
- 1553US5786916AOptical-wavelength interchanger element and optical-wavelength interchanger deviceOKI ELECTRIC IND CO LTD·Filed 1996·Granted Jul 28, 1998·17 cites·17 claims
- 1650US7034990B2Wavelength conversion element and method for using sameOKI ELECTRIC IND CO LTD·Filed 2004·Granted Apr 25, 2006·3 cites·6 claims
- 1748US11815783B2Mid-infrared wavelength optical transmitter and receiverUNIV MCMASTER·Filed 2020·Granted Nov 14, 2023·0 cites·10 claims
- 1848US2009294276A1Method and apparatus of forming domain inversion structures in a nonlinear ferroelectric substrateXU CHANG QING·Filed 2007·Application pending·0 cites
- 1946US11841599B2Apparatus of optical transmitters and receivers operating in long wave infrared wavelength rangesUNIV MCMASTER·Filed 2021·Granted Dec 12, 2023·0 cites·9 claims
- 2042US5943161AWavelength conversion device employing Bessel beams with parallel polarizationOKI ELECTRIC IND CO LTD·Filed 1997·Granted Aug 24, 1999·11 cites·12 claims
- 2141US5734494AWavelength conversion device and wavelength conversion methodOKI ELECTRIC IND CO LTD·Filed 1996·Granted Mar 31, 1998·10 cites·2 claims
- 2241US2006154691A1Architecture and protocol for software defined radio systemOKI TECHNO CT SINGAPORE PTE·Filed 2006·Application pending·0 cites
- 2340US2004136481A1Method of estimating fading in a pilot channelFiled 2003·Application pending·0 cites
- 2440US2005238121A1System and method for determining a modulation angle of an information bit in a complex modulated signalOKI TECHNO CT SINGAPORE PTE·Filed 2005·Application pending·0 cites
- 2539US2005190827A1Modulation/demodulation apparatus for the encoding and decoding of data and method for encoding and decoding dataFiled 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →