Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9582410 | Testing software on a computer system | Aled A. Griffiths, Joel M. Keeble, Michael B. O'Connor | 2017-02-28 |
| 8980445 | One hundred millimeter SiC crystal grown on off-axis seed | Robert Tyler Leonard, Adrian Powell | 2015-03-17 |
| 8866159 | Low micropipe 100 mm silicon carbide wafer | Adrian Powell, Robert Tyler Leonard | 2014-10-21 |
| 8785946 | Low 1C screw dislocation 3 inch silicon carbide wafer | Adrian Powell, Stephan Mueller, Valeri F. Tsvetkov, Robert Tyler Leonard | 2014-07-22 |
| 8618552 | Low micropipe 100 mm silicon carbide wafer | Adrian Powell, Robert Tyler Leonard | 2013-12-31 |
| 8384090 | Low 1C screw dislocation 3 inch silicon carbide wafer | Adrian Powell, Stephan Mueller, Valeri F. Tsvetkov, Robert Tyler Leonard | 2013-02-26 |
| 8147991 | One hundred millimeter single crystal silicon carbide wafer | Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Stephan Mueller, Robert Tyler Leonard +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, Robert Tyler Leonard +2 more | 2009-10-13 |
| 7563321 | Process for producing high quality large size silicon carbide crystals | Adrian Powell, Valeri F. Tsvetkov, Robert Tyler Leonard | 2009-07-21 |
| 7316747 | Seeded single crystal silicon carbide growth and resulting crystals | Jason Jenny, David Phillip Malta, Hudson M. Hobgood, Stephan Mueller, Robert Tyler Leonard +4 more | 2008-01-08 |
| 7314521 | Low micropipe 100 mm silicon carbide wafer | Adrian Powell, Robert Tyler Leonard | 2008-01-01 |
| 7314520 | Low 1c screw dislocation 3 inch silicon carbide wafer | Adrian Powell, Stephen G. Mueller, Valeri F. Tsvetkov, Robert Tyler Leonard | 2008-01-01 |
| 7294324 | Low basal plane dislocation bulk grown SiC wafers | Adrian Powell, Valeri F. Tsvetkov | 2007-11-13 |
| 6639247 | Semi-insulating silicon carbide without vanadium domination | Calvin H. Carter, Jr., Valeri F. Tsvetkov | 2003-10-28 |
| 6403982 | Semi-insulating silicon carbide without vanadium domination | Calvin H. Carter, Jr., Valeri F. Tsvetkov | 2002-06-11 |
| 6396080 | Semi-insulating silicon carbide without vanadium domination | Calvin H. Carter, Jr., Valeri F. Tsvetkov | 2002-05-28 |
| 6218680 | Semi-insulating silicon carbide without vanadium domination | Calvin H. Carter, Jr., Valeri F. Tsvetkov | 2001-04-17 |
| D321908 | Support base for a desk set or similar article | — | 1991-11-26 |
| D321909 | Support base for a desk set or similar article | — | 1991-11-26 |
| D321910 | Support base for a desk set or similar article | — | 1991-11-26 |
| D321911 | Support base for a desk set or similar article | — | 1991-11-26 |