VT

Valeri F. Tsvetkov

CR Cree: 32 patents #45 of 639Top 8%
WO Wolfspeed: 4 patents #39 of 187Top 25%
CR Cree Research: 2 patents #10 of 30Top 35%
📍 Durham, NC: #88 of 4,103 inventorsTop 3%
🗺 North Carolina: #908 of 45,564 inventorsTop 2%
Overall (All Time): #85,559 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12125701 Large dimension silicon carbide single crystalline materials with reduced crystallographic stress Yuri Khlebnikov, Varad R. Sakhalkar, Caleb A. Kent, Michael James Paisley, Oleksandr Kramarenko +12 more 2024-10-22
12054850 Large diameter silicon carbide wafers Yuri Khlebnikov, Varad R. Sakhalkar, Caleb A. Kent, Michael James Paisley, Oleksandr Kramarenko +8 more 2024-08-06
12024794 Reduced optical absorption for silicon carbide crystalline materials Robert Tyler Leonard, Elif Balkas, Yuri Khlebnikov, Kathryn A. O'Hara, Simon Bubel +1 more 2024-07-02
11519098 Dislocation distribution for silicon carbide crystalline materials Yuri Khlebnikov, Robert Tyler Leonard, Elif Balkas, Steven Griffiths, Michael James Paisley 2022-12-06
9790619 Method of producing high quality silicon carbide crystal in a seeded growth system Robert Tyler Leonard, Adrian Powell 2017-10-17
9200381 Producing high quality bulk silicon carbide single crystal by managing thermal stresses at a seed interface Robert Tyler Leonard, Adrian Powell 2015-12-01
9059118 Method for producing semi-insulating resistivity in high purity silicon carbide crystals Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Stephan Mueller 2015-06-16
8785946 Low 1C screw dislocation 3 inch silicon carbide wafer Adrian Powell, Mark Brady, Stephan Mueller, Robert Tyler Leonard 2014-07-22
8618553 Process for producing silicon carbide crystals having increased minority carrier lifetimes Calvin H. Carter, Jr., Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Mrinal K. Das 2013-12-31
8384090 Low 1C screw dislocation 3 inch silicon carbide wafer Adrian Powell, Mark Brady, Stephan Mueller, Robert Tyler Leonard 2013-02-26
8163086 Halogen assisted physical vapor transport method for silicon carbide growth Stephan Mueller, Hudson M. Hobgood 2012-04-24
8147991 One hundred millimeter single crystal silicon carbide wafer Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Stephan Mueller, Mark Brady +2 more 2012-04-03
7943954 LED fabrication via ion implant isolation Yifeng Wu, Gerald H. Negley, David B. Slater, Jr., Alexander Suvorov 2011-05-17
7811943 Process for producing silicon carbide crystals having increased minority carrier lifetimes Calvin H. Carter, Jr., Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Mrinal K. Das 2010-10-12
7592634 LED fabrication via ion implant isolation Yifeng Wu, Gerald H. Negley, David B. Slater, Jr., Alexander Suvorov 2009-09-22
7563321 Process for producing high quality large size silicon carbide crystals Adrian Powell, Mark Brady, Robert Tyler Leonard 2009-07-21
7387680 Method and apparatus for the production of silicon carbide crystals David Phillip Malta 2008-06-17
7364617 Seed and seedholder combinations for high quality growth of large silicon carbide single crystals Stephan Mueller, Adrian Powell 2008-04-29
7351286 One hundred millimeter single crystal silicon carbide wafer Robert Tyler Leonard, Adrian Powell, Stephan Mueller 2008-04-01
7338822 LED fabrication via ion implant isolation Yifeng Wu, Gerald H. Negley, David B. Slater, Jr., Alexander Suvorov 2008-03-04
7323052 Apparatus and method for the production of bulk silicon carbide single crystals David Phillip Malta, Jason Jenny 2008-01-29
7323051 One hundred millimeter single crystal silicon carbide wafer Hudson M. Hobgood, Jason Jenny, David Phillip Malta, Calvin H. Carter, Jr., Robert Tyler Leonard +1 more 2008-01-29
7316747 Seeded single crystal silicon carbide growth and resulting crystals Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Stephan Mueller, Mark Brady +4 more 2008-01-08
7314520 Low 1c screw dislocation 3 inch silicon carbide wafer Adrian Powell, Mark Brady, Stephen G. Mueller, Robert Tyler Leonard 2008-01-01
7300519 Reduction of subsurface damage in the production of bulk SiC crystals Adrian Powell, Stephan Mueller 2007-11-27