Inventor · disambiguated record
Robert Tyler Leonard
Also filed as: LEONARD ROBERT · LEONARD ROBERT T · LEONARD ROBERT TYLER
30 granted patents·5 pending applications·485 citations·filing 2004–2025
97Inventor score
Top patents by PatentIndex Score
35 records- 0198US11519098B2Dislocation distribution for silicon carbide crystalline materialsWOLFSPEED INC·Filed 2020·Granted Dec 6, 2022·9 cites·46 claims
- 0298US8785946B2Low 1C screw dislocation 3 inch silicon carbide waferCREE INC·Filed 2013·Granted Jul 22, 2014·13 cites·21 claims
- 0397US8384090B2Low 1C screw dislocation 3 inch silicon carbide waferCREE INC·Filed 2007·Granted Feb 26, 2013·24 cites·16 claims
- 0495US9790619B2Method of producing high quality silicon carbide crystal in a seeded growth systemLEONARD ROBERT TYLER·Filed 2011·Granted Oct 17, 2017·25 cites·10 claims
- 0595US9200381B2Producing high quality bulk silicon carbide single crystal by managing thermal stresses at a seed interfaceLEONARD ROBERT TYLER·Filed 2005·Granted Dec 1, 2015·28 cites·40 claims
- 0695US7422634B2Three inch silicon carbide wafer with low warp, bow, and TTVCREE INC·Filed 2005·Granted Sep 9, 2008·59 cites·17 claims
- 0795US7351286B2One hundred millimeter single crystal silicon carbide waferCREE INC·Filed 2005·Granted Apr 1, 2008·20 cites·6 claims
- 0895US7323051B2One hundred millimeter single crystal silicon carbide waferCREE INC·Filed 2005·Granted Jan 29, 2008·30 cites·27 claims
- 0995US7316747B2Seeded single crystal silicon carbide growth and resulting crystalsCREE INC·Filed 2005·Granted Jan 8, 2008·34 cites·68 claims
- 1094US12054850B2Large diameter silicon carbide wafersWOLFSPEED INC·Filed 2020·Granted Aug 6, 2024·5 cites·33 claims
- 1194US10867797B2Methods and apparatuses related to shaping wafers fabricated by ion implantationCREE INC·Filed 2019·Granted Dec 15, 2020·12 cites·16 claims
- 1294US8147991B2One hundred millimeter single crystal silicon carbide waferJENNY JASON RONALD·Filed 2010·Granted Apr 3, 2012·16 cites·25 claims
- 1394US7314520B2Low 1c screw dislocation 3 inch silicon carbide waferCREE INC·Filed 2004·Granted Jan 1, 2008·51 cites·35 claims
- 1492US12402380B2Nondestructive characterization for crystalline wafersWOLFSPEED INC·Filed 2024·Granted Aug 26, 2025·1 cites·29 claims
- 1592US8980445B2One hundred millimeter SiC crystal grown on off-axis seedLEONARD ROBERT T·Filed 2006·Granted Mar 17, 2015·23 cites·11 claims
- 1689US8377806B2Method for controlled growth of silicon carbide and structures produced by sameCREE INC·Filed 2010·Granted Feb 19, 2013·5 cites·14 claims
- 1789US7601441B2One hundred millimeter high purity semi-insulating single crystal silicon carbide waferCREE INC·Filed 2004·Granted Oct 13, 2009·27 cites·30 claims
- 1888US7314521B2Low micropipe 100 mm silicon carbide waferCREE INC·Filed 2004·Granted Jan 1, 2008·34 cites·35 claims
- 1987US12125701B2Large dimension silicon carbide single crystalline materials with reduced crystallographic stressWOLFSPEED INC·Filed 2020·Granted Oct 22, 2024·2 cites·10 claims
- 2087US9099377B2Micropipe-free silicon carbide and related method of manufactureBASCERI CEM·Filed 2007·Granted Aug 4, 2015·13 cites·31 claims
- 2187US8866159B1Low micropipe 100 mm silicon carbide waferCREE INC·Filed 2013·Granted Oct 21, 2014·6 cites·23 claims
- 2286US8410488B2Micropipe-free silicon carbide and related method of manufactureBASCERI CEM·Filed 2007·Granted Apr 2, 2013·11 cites·25 claims
- 2385US12473661B2Large diameter silicon carbide wafersWOLFSPEED INC·Filed 2024·Granted Nov 18, 2025·0 cites·20 claims
- 2485US12024794B2Reduced optical absorption for silicon carbide crystalline materialsWOLFSPEED INC·Filed 2021·Granted Jul 2, 2024·1 cites·19 claims
- 2585US11361454B2Alignment for wafer imagesWOLFSPEED INC·Filed 2020·Granted Jun 14, 2022·2 cites·42 claims
- 2684US9048166B2Method for controlled growth of silicon carbide and structures produced by sameCREE INC·Filed 2013·Granted Jun 2, 2015·2 cites·12 claims
- 2784US2025351495A1Nondestructive characterization for crystalline wafersWOLFSPEED INC·Filed 2025·Application pending·0 cites
- 2883US8618552B2Low micropipe 100 mm silicon carbide waferPOWELL ADRIAN·Filed 2007·Granted Dec 31, 2013·10 cites·23 claims
- 2981US12040355B2Nondestructive characterization for crystalline wafersWOLFSPEED INC·Filed 2020·Granted Jul 16, 2024·1 cites·43 claims
- 3080US7563321B2Process for producing high quality large size silicon carbide crystalsCREE INC·Filed 2004·Granted Jul 21, 2009·15 cites·23 claims
- 3180US7319518B2Double side polished wafer scratch inspection toolCREE INC·Filed 2005·Granted Jan 15, 2008·6 cites·51 claims
- 3277US2024344239A1Reduced optical absorption for silicon carbide crystalline materialsWOLFSPEED INC·Filed 2024·Application pending·0 cites
- 3371US2025006491A1Large dimension silicon carbide single crystalline materials with reduced crystallographic stressWOLFSPEED INC·Filed 2024·Application pending·0 cites
- 3459US2021066081A1Methods and apparatuses related to shaping wafers fabricated by ion implantationCREE INC·Filed 2020·Application pending·0 cites
- 3550US2013181231A1Micropipe-free silicon carbide and related method of manufactureCREE INC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →