Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12402380 | Nondestructive characterization for crystalline wafers | Matthew David Conrad, Edward Robert Van Brunt | 2025-08-26 |
| 12125701 | Large dimension silicon carbide single crystalline materials with reduced crystallographic stress | Yuri Khlebnikov, Varad R. Sakhalkar, Caleb A. Kent, Valeri F. Tsvetkov, Michael James Paisley +12 more | 2024-10-22 |
| 12054850 | Large diameter silicon carbide wafers | Yuri Khlebnikov, Varad R. Sakhalkar, Caleb A. Kent, Valeri F. Tsvetkov, Michael James Paisley +8 more | 2024-08-06 |
| 12040355 | Nondestructive characterization for crystalline wafers | Matthew David Conrad, Edward Robert Van Brunt | 2024-07-16 |
| 12024794 | Reduced optical absorption for silicon carbide crystalline materials | Elif Balkas, Valeri F. Tsvetkov, Yuri Khlebnikov, Kathryn A. O'Hara, Simon Bubel +1 more | 2024-07-02 |
| 11519098 | Dislocation distribution for silicon carbide crystalline materials | Yuri Khlebnikov, Elif Balkas, Steven Griffiths, Valeri F. Tsvetkov, Michael James Paisley | 2022-12-06 |
| 11361454 | Alignment for wafer images | Matthew David Conrad, Edward Robert Van Brunt | 2022-06-14 |
| 10867797 | Methods and apparatuses related to shaping wafers fabricated by ion implantation | Alexander V. Suvorov, Edward Robert Van Brunt | 2020-12-15 |
| 9790619 | Method of producing high quality silicon carbide crystal in a seeded growth system | Adrian Powell, Valeri F. Tsvetkov | 2017-10-17 |
| 9200381 | Producing high quality bulk silicon carbide single crystal by managing thermal stresses at a seed interface | Adrian Powell, Valeri F. Tsvetkov | 2015-12-01 |
| 9099377 | Micropipe-free silicon carbide and related method of manufacture | Cem Basceri, Yuri Khlebnikov, Igor Khlebnikov, Cengiz Balkas, Murat N. Silan +6 more | 2015-08-04 |
| 9048166 | Method for controlled growth of silicon carbide and structures produced by same | Hudson M. Hobgood, William A. Thore | 2015-06-02 |
| 8980445 | One hundred millimeter SiC crystal grown on off-axis seed | Mark Brady, Adrian Powell | 2015-03-17 |
| 8866159 | Low micropipe 100 mm silicon carbide wafer | Adrian Powell, Mark Brady | 2014-10-21 |
| 8785946 | Low 1C screw dislocation 3 inch silicon carbide wafer | Adrian Powell, Mark Brady, Stephan Mueller, Valeri F. Tsvetkov | 2014-07-22 |
| 8618552 | Low micropipe 100 mm silicon carbide wafer | Adrian Powell, Mark Brady | 2013-12-31 |
| 8410488 | Micropipe-free silicon carbide and related method of manufacture | Cem Basceri, Yuri Khlebnikov, Igor Khlebnikov, Cengiz Balkas, Murat N. Silan +6 more | 2013-04-02 |
| 8384090 | Low 1C screw dislocation 3 inch silicon carbide wafer | Adrian Powell, Mark Brady, Stephan Mueller, Valeri F. Tsvetkov | 2013-02-26 |
| 8377806 | Method for controlled growth of silicon carbide and structures produced by same | Hudson M. Hobgood, William A. Thore | 2013-02-19 |
| 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 |
| 7601441 | One hundred millimeter high purity semi-insulating single crystal silicon carbide wafer | Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Stephan Mueller, Mark Brady +2 more | 2009-10-13 |
| 7563321 | Process for producing high quality large size silicon carbide crystals | Adrian Powell, Valeri F. Tsvetkov, Mark Brady | 2009-07-21 |
| 7422634 | Three inch silicon carbide wafer with low warp, bow, and TTV | Adrian Powell, William H. Brixius, Davis Andrew McClure, Michael P. Laughner | 2008-09-09 |
| 7351286 | One hundred millimeter single crystal silicon carbide wafer | Adrian Powell, Stephan Mueller, Valeri F. Tsvetkov | 2008-04-01 |
| 7323051 | One hundred millimeter single crystal silicon carbide wafer | Hudson M. Hobgood, Jason Jenny, David Phillip Malta, Valeri F. Tsvetkov, Calvin H. Carter, Jr. +1 more | 2008-01-29 |