Inventor · disambiguated record
Robert P. H. Chang
Also filed as: CHANG ROBERT · CHANG ROBERT P · CHANG ROBERT P H · CHANG ROBERT PANG HENG
23 granted patents·1 pending application·808 citations·filing 1976–2019
96Inventor score
Files withUNIV NORTHWESTERN8BELL TELEPHONE LABOR INC5HYDROCARBON TECHNOLOGIES INNOV4AT & T BELL LAB1DOW CORNING1
Top patents by PatentIndex Score
24 records- 0194US5916642AMethod of encapsulating a material in a carbon nanotubeUNIV NORTHWESTERN·Filed 1996·Granted Jun 29, 1999·240 cites·16 claims
- 0294US5770022AMethod of making silica nanoparticlesDOW CORNING·Filed 1997·Granted Jun 23, 1998·100 cites·9 claims
- 0393US6765949B2Carbon nanostructures and methods of preparationFiled 2002·Granted Jul 20, 2004·84 cites·33 claims
- 0491US6960325B2Apparatus for hydrocracking and/or hydrogenating fossil fuelsHYDROCARBON TECHNOLOGIES·Filed 2002·Granted Nov 1, 2005·48 cites·20 claims
- 0590US4300989AFluorine enhanced plasma growth of native layers on siliconBELL TELEPHONE LABOR INC·Filed 1979·Granted Nov 17, 1981·70 cites·11 claims
- 0687US9966198B2Solar cells with perovskite-based light sensitization layersUNIV NORTHWESTERN·Filed 2015·Granted May 8, 2018·5 cites·20 claims
- 0785US4941944AMethod for continuous countercurrent ogranosolv saccharification of comminuted lignocellulosic materialsTONACHEL PIERRE A·Filed 1990·Granted Jul 17, 1990·53 cites·14 claims
- 0883US7350962B2Liquid recycle inlet distributor assemblyHYDROCARBON TECHNOLOGIES INNOV·Filed 2005·Granted Apr 1, 2008·10 cites·20 claims
- 0983US4361461AHydrogen etching of semiconductors and oxidesBELL TELEPHONE LABOR INC·Filed 1981·Granted Nov 30, 1982·59 cites·14 claims
- 1080US5962132ASilica nanoparticles obtained from a method involving a direct current electric arc in an oxygen-containing atmosphereUNIV NORTHWESTERN·Filed 1998·Granted Oct 5, 1999·37 cites·8 claims
- 1179US10243660B2Ultrafast all-optical modulation of the visible and infrared spectrum with nanorod arraysUNIV NORTHWESTERN·Filed 2017·Granted Mar 26, 2019·4 cites·22 claims
- 1279US10115917B2Dopant-free polymeric hole-transporting materials for perovskite solar cellUNIV NORTHWESTERN·Filed 2016·Granted Oct 30, 2018·4 cites·18 claims
- 1379US4483725AReactive vapor deposition of multiconstituent materialAT & T BELL LAB·Filed 1982·Granted Nov 20, 1984·23 cites·33 claims
- 1477US4062747ANative growth of semiconductor oxide layersBELL TELEPHONE LABOR INC·Filed 1976·Granted Dec 13, 1977·30 cites·12 claims
- 1573US9803136B2Liquid electrolyte-free, solid-state solar cells with inorganic hole transport materialsUNIV NORTHWESTERN·Filed 2013·Granted Oct 31, 2017·3 cites·34 claims
- 1669US10996172B2Surface-functionalized nanostructures for molecular sensing applicationsUNIV NORTHWESTERN·Filed 2018·Granted May 4, 2021·1 cites·27 claims
- 1769US7370847B2Grid plate bubble cap for reaction vessel used in hydroconversion of fossil fuelsHYDROCARBON TECHNOLOGIES INNOV·Filed 2005·Granted May 13, 2008·3 cites·20 claims
- 1867US7449155B2Reactor cup shell-in-shell riser for reaction vessel used in hydroconversion of fossil fuelsHYDROCARBON TECHNOLOGIES INNOV·Filed 2005·Granted Nov 11, 2008·1 cites·20 claims
- 1960US4144634AFabrication of gallium arsenide MOS devicesBELL TELEPHONE LABOR INC·Filed 1977·Granted Mar 20, 1979·19 cites·5 claims
- 2053US4246296AControlling the properties of native films using selective growth chemistryBELL TELEPHONE LABOR INC·Filed 1979·Granted Jan 20, 1981·14 cites·17 claims
- 2152US7448603B2Feedstream inlet sparger for reaction vessel used in hydroconversion of fossil fuelsHYDROCARBON TECHNOLOGIES INNOV·Filed 2005·Granted Nov 11, 2008·0 cites·17 claims
- 2247US8895848B2p-Type semiconducting nickel oxide as an efficiency-enhancing anodal interfacial layer in bulk heterojunction solar cellsIRWIN MICHAEL D·Filed 2008·Granted Nov 25, 2014·0 cites·3 claims
- 2338US11658213B2Superlattice films for photonic and electronic devicesUNIV NORTHWESTERN·Filed 2019·Granted May 23, 2023·0 cites·10 claims
- 2429US2004221813A1Carbon nanostructures and methods of preparationFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →