Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187617 | Method and apparatus for removal of surface carbon from polysilicon | James J. Mueller, Brian S. Cichowski, James C. Mundell, Christopher S. Robinson, Vasgen A. Shamamian | 2025-01-07 |
| 11131038 | Furnace for seeded sublimation of wide band gap crystals | — | 2021-09-28 |
| 10435810 | Graphite crucible for sublimation growth of SiC crystal | Roman V. Drachev, Darren Hansen, Edward Sanchez | 2019-10-08 |
| 10344396 | Furnace for seeded sublimation of wide band gap crystals | — | 2019-07-09 |
| 10106912 | Reaction cell for growing SiC crystal with low dislocation density | — | 2018-10-23 |
| 10002760 | Method for manufacturing SiC wafer fit for integration with power device manufacturing technology | Darren Hansen, Ian Manning, Kevin Moeggenborg, Stephan Mueller, Christopher Parfeniuk +3 more | 2018-06-19 |
| 9797064 | Method for growing a SiC crystal by vapor deposition onto a seed crystal provided on a support shelf which permits thermal expansion | Roman V. Drachev, Darren Hansen, Edward Sanchez | 2017-10-24 |
| 9738991 | Method for growing a SiC crystal by vapor deposition onto a seed crystal provided on a supporting shelf which permits thermal expansion | — | 2017-08-22 |
| 9337027 | Method of manufacturing substrates having improved carrier lifetimes | Gilyong Chung | 2016-05-10 |
| 9337277 | High voltage power semiconductor device on SiC | Gilyong Chung | 2016-05-10 |
| 9279192 | Method for manufacturing SiC wafer fit for integration with power device manufacturing technology | Darren Hansen, Ian Manning, Kevin Moeggenborg, Stephan Mueller, Christopher Parfeniuk +3 more | 2016-03-08 |
| 9187602 | Heteroelement siloxane compounds and polymers | Dimitris Katsoulis, Elizabeth McQuiston, Luisel Rodriguez | 2015-11-17 |
| 9165779 | Flat SiC semiconductor substrate | Christopher Parfeniuk | 2015-10-20 |
| 9017804 | Method to reduce dislocations in SiC crystal growth | — | 2015-04-28 |
| 9018639 | Flat SiC semiconductor substrate | Christopher Parfeniuk | 2015-04-28 |
| 8940614 | SiC substrate with SiC epitaxial film | Jie Zhang | 2015-01-27 |
| 8860040 | High voltage power semiconductor devices on SiC | Gilyong Chung | 2014-10-14 |
| 8765091 | Method to manufacture large uniform ingots of silicon carbide by sublimation/condensation processes | Seung Ho Park, Victor Torres | 2014-07-01 |
| 8343854 | Method of reducing memory effects in semiconductor epitaxy | — | 2013-01-01 |
| 7736728 | Coated substrates and methods for their preparation | Steven A. Snow, William Weidner, Ludmil Zambov | 2010-06-15 |
| 7622193 | Coated substrates and methods for their preparation | Steven A. Snow, William Weidner, Ludmil Zambov | 2009-11-24 |
| 7189664 | Method for producing hydrogenated silicon-oxycarbide films | Byung Keun Hwang | 2007-03-13 |
| 6667553 | H:SiOC coated substrates | Glenn A. Cerny, Byung Keun Hwang | 2003-12-23 |
| 6593248 | Method for producing hydrogenated silicon oxycarbide films having low dielectric constant | Byung Keun Hwang | 2003-07-15 |
| 6593655 | Method for producing hydrogenated silicon oxycarbide films having low dielectric constant | Jeffrey A. Seifferly | 2003-07-15 |