Inventor
LEONARD ROBERT TYLER
US21 patents
⚠️ This page may combine multiple inventors who share the name “LEONARD ROBERT TYLER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CREE INC
10 patentsUS7601441B2Oct 13, 2009
One hundred millimeter high purity semi-insulating single crystal silicon carbide wafer
CREE INC27 citations96
US7323051B2Jan 29, 2008
One hundred millimeter single crystal silicon carbide wafer
CREE INC30 citations95
US7422634B2Sep 9, 2008
Three inch silicon carbide wafer with low warp, bow, and TTV
CREE INC59 citations94
US7351286B2Apr 1, 2008
One hundred millimeter single crystal silicon carbide wafer
CREE INC20 citations92
US7316747B2Jan 8, 2008
Seeded single crystal silicon carbide growth and resulting crystals
CREE INC34 citations92
US7314521B2Jan 1, 2008
Low micropipe 100 mm silicon carbide wafer
CREE INC34 citations92
US8866159B1Oct 21, 2014
Low micropipe 100 mm silicon carbide wafer
CREE INC6 citations84
US8377806B2Feb 19, 2013
Method for controlled growth of silicon carbide and structures produced by same
CREE INC5 citations80
US7319518B2Jan 15, 2008
Double side polished wafer scratch inspection tool
CREE INC6 citations62
US9048166B2Jun 2, 2015
Method for controlled growth of silicon carbide and structures produced by same
CREE INC2 citations59
WOLFSPEED INC
7 patentsUS12054850B2Aug 6, 2024
Large diameter silicon carbide wafers
WOLFSPEED INC5 citations81
US11361454B2Jun 14, 2022
Alignment for wafer images
WOLFSPEED INC2 citations71
US12125701B2Oct 22, 2024
Large dimension silicon carbide single crystalline materials with reduced crystallographic stress
WOLFSPEED INC2 citations67
US12402380B2Aug 26, 2025
Nondestructive characterization for crystalline wafers
WOLFSPEED INC1 citations62
US12040355B2Jul 16, 2024
Nondestructive characterization for crystalline wafers
WOLFSPEED INC1 citations61
US12473661B2Nov 18, 2025
Large diameter silicon carbide wafers
WOLFSPEED INC0 citations58
US12024794B2Jul 2, 2024
Reduced optical absorption for silicon carbide crystalline materials
WOLFSPEED INC1 citations58
LEONARD ROBERT TYLER
2 patentsUS9790619B2Oct 17, 2017
Method of producing high quality silicon carbide crystal in a seeded growth system
LEONARD ROBERT TYLER25 citations93
US9200381B2Dec 1, 2015
Producing high quality bulk silicon carbide single crystal by managing thermal stresses at a seed interface
LEONARD ROBERT TYLER28 citations93