Inventor · disambiguated record
Prabhat Kumar
Also filed as: KUMAR PRABHAT
61 granted patents·33 pending applications·1,124 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
94 records- 0199US5242481AMethod of making powders and products of tantalum and niobiumCABOT CORP·Filed 1990·Granted Sep 7, 1993·140 cites·6 claims
- 0298US9580773B2Niobium based alloy that is resistant to aqueous corrosionAIMONE PAUL R·Filed 2015·Granted Feb 28, 2017·14 cites·15 claims
- 0398US9076860B1Residue removal from singulated die sidewallLEI WEI-SHENG·Filed 2014·Granted Jul 7, 2015·49 cites·22 claims
- 0497US9130057B1Hybrid dicing process using a blade and laserKUMAR PRABHAT·Filed 2014·Granted Sep 8, 2015·49 cites·20 claims
- 0597US8883250B2Methods of rejuvenating sputtering targetsSTARCK H C INC·Filed 2013·Granted Nov 11, 2014·13 cites·15 claims
- 0696US9142459B1Wafer dicing using hybrid laser scribing and plasma etch approach with mask application by vacuum laminationKUMAR PRABHAT·Filed 2014·Granted Sep 22, 2015·27 cites·15 claims
- 0796US9040409B2Methods of forming solar cells and solar cell modulesAPPLIED MATERIALS INC·Filed 2014·Granted May 26, 2015·34 cites·20 claims
- 0896US8491959B2Methods of rejuvenating sputtering targetsMILLER STEVEN A·Filed 2012·Granted Jul 23, 2013·14 cites·15 claims
- 0996US8197894B2Methods of forming sputtering targetsMILLER STEVEN A·Filed 2007·Granted Jun 12, 2012·23 cites·15 claims
- 1095US9355907B1Hybrid wafer dicing approach using a line shaped laser beam profile laser scribing process and plasma etch processLEI WEI-SHENG·Filed 2015·Granted May 31, 2016·14 cites·17 claims
- 1195US8991329B1Wafer coatingAPPLIED MATERIALS INC·Filed 2014·Granted Mar 31, 2015·19 cites·20 claims
- 1294US7910051B2Low-energy method for fabrication of large-area sputtering targetsSTARCK H C GMBH·Filed 2007·Granted Mar 22, 2011·40 cites·9 claims
- 1394US5171379ATantalum base alloysCABOT CORP·Filed 1991·Granted Dec 15, 1992·82 cites·27 claims
- 1493US9783882B2Fine grained, non banded, refractory metal sputtering targets with a uniformly random crystallographic orientation, method for making such film, and thin film based devices and products made therefromSTARCK H C INC·Filed 2014·Granted Oct 10, 2017·5 cites·24 claims
- 1593US9601375B2UV-cure pre-treatment of carrier film for wafer dicing using hybrid laser scribing and plasma etch approachLEI WEI-SHENG·Filed 2015·Granted Mar 21, 2017·9 cites·17 claims
- 1693US9159624B1Vacuum lamination of polymeric dry films for wafer dicing using hybrid laser scribing and plasma etch approachLEI WEI-SHENG·Filed 2015·Granted Oct 13, 2015·9 cites·16 claims
- 1793US5580516APowders and products of tantalum, niobium and their alloysCABOT CORP·Filed 1995·Granted Dec 3, 1996·53 cites·12 claims
- 1892US8043655B2Low-energy method of manufacturing bulk metallic structures with submicron grain sizesSTARCK H C INC·Filed 2008·Granted Oct 25, 2011·20 cites·21 claims
- 1991US6521173B2Low oxygen refractory metal powder for powder metallurgySTARCK H C INC·Filed 2001·Granted Feb 18, 2003·100 cites·20 claims
- 2091US5245514AExtruded capacitor electrode and method of making the sameCABOT CORP·Filed 1992·Granted Sep 14, 1993·89 cites·29 claims
- 2190US9187802B2Niobium based alloy that is resistant to aqueous corrosionAIMONE PAUL R·Filed 2010·Granted Nov 17, 2015·4 cites·19 claims
- 2289US7837929B2Methods of making molybdenum titanium sputtering plates and targetsSTARCK H C INC·Filed 2005·Granted Nov 23, 2010·16 cites·22 claims
- 2388US6261337B1Low oxygen refractory metal powder for powder metallurgyFiled 1999·Granted Jul 17, 2001·75 cites·15 claims
- 2487US12282337B2Dual agent reinforcement learning based system for autonomous operation of aircraftBOEING CO·Filed 2022·Granted Apr 22, 2025·1 cites·20 claims
- 2587US9349648B2Hybrid wafer dicing approach using a rectangular shaped two-dimensional top hat laser beam profile or a linear shaped one-dimensional top hat laser beam profile laser scribing process and plasma etch processLEI WEI-SHENG·Filed 2014·Granted May 24, 2016·7 cites·13 claims
- 2687US7651658B2Refractory metal and alloy refining by laser forming and meltingSTARCK H C INC·Filed 2003·Granted Jan 26, 2010·31 cites·13 claims
- 2786US8425833B2Methods of forming molybdenum sputtering targetsLEMON BRAD·Filed 2011·Granted Apr 23, 2013·5 cites·18 claims
- 2885US9112050B1Dicing tape thermal management by wafer frame support ring cooling during plasma dicingLEI WEI-SHENG·Filed 2014·Granted Aug 18, 2015·6 cites·17 claims
- 2985US8088232B2Molybdenum tubular sputtering targets with uniform grain size and textureLEMON BRAD·Filed 2005·Granted Jan 3, 2012·10 cites·10 claims
- 3083US8927393B1Water soluble mask formation by dry film vacuum lamination for laser and plasma dicingLEI WEI-SHENG·Filed 2014·Granted Jan 6, 2015·5 cites·6 claims
- 3182US7794554B2Rejuvenation of refractory metal productsSTARCK H C INC·Filed 2005·Granted Sep 14, 2010·7 cites·16 claims
- 3282US7754185B2Method of making MoO2 powders, products made from MoO2 powders, deposition of MoO2 thin films, and methods of using such materialsSTARCK H C INC·Filed 2006·Granted Jul 13, 2010·5 cites·6 claims
- 3381US9412619B2Method of outgassing a mask material deposited over a workpiece in a process toolAPPLIED MATERIALS INC·Filed 2014·Granted Aug 9, 2016·4 cites·14 claims
- 3479US8859324B2Methods of manufacturing solar cell devicesSTEWART MICHAEL P·Filed 2013·Granted Oct 14, 2014·2 cites·17 claims
- 3575US9309591B2Methods of depositing thin films using molybdenum sputtering targetsLEMON BRAD·Filed 2015·Granted Apr 12, 2016·1 cites·33 claims
- 3675US4464206AWrought P/M processing for prealloyed powderCABOT CORP·Filed 1983·Granted Aug 7, 1984·28 cites·10 claims
- 3774US9017600B2Methods of forming molybdenum sputtering targetsLEMON BRAD·Filed 2013·Granted Apr 28, 2015·1 cites·28 claims
- 3873US10884586B2Method and system for managing and displaying applicationSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Jan 5, 2021·2 cites·15 claims
- 3973US6912113B2Thin film capacitor using conductive polymersSTARCK H C INC·Filed 2004·Granted Jun 28, 2005·15 cites·11 claims
- 4071US6358625B1Refractory metals with improved adhesion strengthSTARCK H C INC·Filed 2000·Granted Mar 19, 2002·18 cites·8 claims
- 4168US9793132B1Etch mask for hybrid laser scribing and plasma etch wafer singulation processAPPLIED MATERIALS INC·Filed 2016·Granted Oct 17, 2017·1 cites·27 claims
- 4267US8911528B2Methods of making molybdenum titanium sputtering plates and targetsGAYDOS MARK E·Filed 2010·Granted Dec 16, 2014·1 cites·2 claims
- 4367US7850876B2Tin oxide-based sputtering target, transparent and conductive films, method for producing such films and composition for use thereinSTARCK H C INC·Filed 2008·Granted Dec 14, 2010·0 cites·16 claims
- 4466US7452488B2Tin oxide-based sputtering target, low resistivity, transparent conductive film, method for producing such film and composition for use thereinSTARCK H C INC·Filed 2006·Granted Nov 18, 2008·1 cites·9 claims
- 4566US2011008201A1Niobium based alloy that is resistant to aqueous corrosionSTARCK H C INC·Filed 2009·Application pending·0 cites
- 4665US9443765B2Water soluble mask formation by dry film vacuum lamination for laser and plasma dicingLEI WEI-SHENG·Filed 2015·Granted Sep 13, 2016·1 cites·20 claims
- 4764US7416789B2Refractory metal substrate with improved thermal conductivitySTARCK H C INC·Filed 2004·Granted Aug 26, 2008·10 cites·33 claims
- 4864US6731495B2Thin film capacitor using conductive polymersSTARCK H C INC·Filed 2002·Granted May 4, 2004·11 cites·8 claims
- 4963US9926623B2Methods of forming molybdenum sputtering targetsLEMON BRAD·Filed 2016·Granted Mar 27, 2018·0 cites·25 claims
- 5061US5846287AConsumable electrode method for forming micro-alloyed productsCABOT CORP·Filed 1997·Granted Dec 8, 1998·15 cites·5 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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