Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12024794 | Reduced optical absorption for silicon carbide crystalline materials | Robert Tyler Leonard, Elif Balkas, Valeri F. Tsvetkov, Yuri Khlebnikov, Kathryn A. O'Hara +1 more | 2024-07-02 |
| 9059118 | Method for producing semi-insulating resistivity in high purity silicon carbide crystals | Jason Jenny, Hudson M. Hobgood, Stephan Mueller, Valeri F. Tsvetkov | 2015-06-16 |
| 8618553 | Process for producing silicon carbide crystals having increased minority carrier lifetimes | Calvin H. Carter, Jr., Jason Jenny, Hudson M. Hobgood, Valeri F. Tsvetkov, Mrinal K. Das | 2013-12-31 |
| 8147991 | One hundred millimeter single crystal silicon carbide wafer | Jason Jenny, Hudson M. Hobgood, Stephan Mueller, Mark Brady, Robert Tyler Leonard +2 more | 2012-04-03 |
| 7811943 | Process for producing silicon carbide crystals having increased minority carrier lifetimes | Calvin H. Carter, Jr., Jason Jenny, Hudson M. Hobgood, Valeri F. Tsvetkov, Mrinal K. Das | 2010-10-12 |
| 7601441 | One hundred millimeter high purity semi-insulating single crystal silicon carbide wafer | Jason Jenny, Hudson M. Hobgood, Stephan Mueller, Mark Brady, Robert Tyler Leonard +2 more | 2009-10-13 |
| 7387680 | Method and apparatus for the production of silicon carbide crystals | Valeri F. Tsvetkov | 2008-06-17 |
| 7323051 | One hundred millimeter single crystal silicon carbide wafer | Hudson M. Hobgood, Jason Jenny, Valeri F. Tsvetkov, Calvin H. Carter, Jr., Robert Tyler Leonard +1 more | 2008-01-29 |
| 7323052 | Apparatus and method for the production of bulk silicon carbide single crystals | Valeri F. Tsvetkov, Jason Jenny | 2008-01-29 |
| 7316747 | Seeded single crystal silicon carbide growth and resulting crystals | Jason Jenny, Hudson M. Hobgood, Stephan Mueller, Mark Brady, Robert Tyler Leonard +4 more | 2008-01-08 |
| 7147715 | Growth of ultra-high purity silicon carbide crystals in an ambient containing hydrogen | Jason Jenny, Hudson M. Hobgood, Valeri F. Tsvetkov | 2006-12-12 |
| 6814801 | Method for producing semi-insulating resistivity in high purity silicon carbide crystals | Jason Jenny, Hudson M. Hobgood, Stephan Mueller, Valeri F. Tsvetokov | 2004-11-09 |