Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209306 | Optically-finished thin diamond substrate or window of high aspect ratio and a method of production thereof | Wen-Qing Xu, Giovanni Barbarossa, Elgin E. Eissler, Chao Liu, Charles D. Tanner | 2025-01-28 |
| 11891691 | Method of forming a multilayer substrate comprising a layer of silicon and a layer of diamond having an optically finished (or a dense) silicon-diamond interface | Wen-Qing Xu, Chao Liu, Giovanni Barbarossa, Elgin E. Eissler | 2024-02-06 |
| 11618945 | Methods of producing optically-finished thin diamond substrates or windows of high aspect ratio | Wen-Qing Xu, Giovanni Barbarossa, Elgin E. Eissler, Chao Liu, Charles D. Tanner | 2023-04-04 |
| 11313037 | Method of forming a multilayer substrate comprising a layer of silicon and a layer of diamond having an optically finished (or a dense) silicon-diamond interface | Wen-Qing Xu, Chao Liu, Giovanni Barbarossa, Elgin E. Eissler | 2022-04-26 |
| 10910127 | Highly twinned, oriented polycrystalline diamond film and method of manufacture thereof | Wen-Qing Xu, Chao Liu, Charles J. Kraisinger, Charles D. Tanner, Ian Currier +2 more | 2021-02-02 |
| RE48378 | Vanadium compensated, SI SiC single crystals of NU and PI type and the crystal growth process thereof | Ilya Zwieback, Ping Wu, Varatharajan Rengarajan, Avinash Gupta, Gary E. Ruland +2 more | 2021-01-05 |
| 10584412 | Substrate comprising a layer of silicon and a layer of diamond having an optically finished (or a dense) silicon-diamond interface | Wen-Qing Xu, Chao Liu, Giovanni Barbarossa, Elgin E. Eissler | 2020-03-10 |
| 10494713 | Method of forming an optically-finished thin diamond film, diamond substrate, or diamond window of high aspect ratio | Wen-Qing Xu, Giovanni Barbarossa, Elgin E. Eissler, Chao Liu, Charles D. Tanner | 2019-12-03 |
| 10373725 | Highly twinned, oriented polycrystalline diamond film and method of manufacture thereof | Wen-Qing Xu, Chao Liu, Charles J. Kraisinger, Charles D. Tanner, Ian Currier +2 more | 2019-08-06 |
| 9812375 | Composite substrate with alternating pattern of diamond and metal or metal alloy | Wen-Qing Xu, Chao Liu, Giovanni Barbarossa, Elgin E. Eissler, Charles J. Kraisinger +1 more | 2017-11-07 |
| 9580837 | Method for silicon carbide crystal growth by reacting elemental silicon vapor with a porous carbon solid source material | Ilya Zwieback, Varatharajan Rengarajan, Bryan K. Brouhard, Michael C. Nolan | 2017-02-28 |
| RE46315 | Large diameter, high quality SiC single crystals, method and apparatus | Ilya Zwieback, Andrew E. Souzis, Gary E. Ruland, Avinash Gupta, Varatharajan Rengarajan +2 more | 2017-02-21 |
| 9388509 | Method for synthesizing ultrahigh-purity silicon carbide | Ilya Zwieback, Avinash Gupta, Ping Wu, Donovan L. Barrett, Gary E. Ruland | 2016-07-12 |
| 9322110 | Vanadium doped SiC single crystals and method thereof | Ilya Zwieback, Avinash Gupta, Michael C. Nolan, Bryan K. Brouhard, Gary E. Ruland | 2016-04-26 |
| 9090989 | Vanadium compensated, SI SiC single crystals of NU and PI type and the crystal growth process thereof | Ilya Zwieback, Ping Wu, Varatharajan Rengarajan, Avinash Gupta, Gary E. Ruland +2 more | 2015-07-28 |
| 8741413 | Large diameter, high quality SiC single crystals, method and apparatus | Ilya Zwieback, Andrew E. Souzis, Gary E. Ruland, Avinash Gupta, Varatharajan Rengarajan +2 more | 2014-06-03 |
| 8512471 | Halosilane assisted PVT growth of SiC | Ilya Zwieback, Avinash Gupta | 2013-08-20 |
| 8509086 | Detecting network misuse | David Wetherall, Stefan Savage | 2013-08-13 |
| 8361227 | Silicon carbide single crystals with low boron content | Ilya Zwieback, Avinash Gupta | 2013-01-29 |
| 8313720 | Guided diameter SiC sublimation growth with multi-layer growth guide | Ilya Zwieback, Avinash Gupta, Edward Semenas | 2012-11-20 |
| 8271678 | Independent detection and filtering of undesirable packets | David Wetherall, Stefan Savage | 2012-09-18 |
| 7970886 | Detecting and preventing undesirable network traffic from being sourced out of a network domain | David Wetherall, Stefan Savage | 2011-06-28 |
| 7475141 | Distributed service level management for network traffic | Stefan Savage, David Wetherall | 2009-01-06 |
| 7444404 | Network traffic regulation including consistency based detection and filtering of packets with spoof source addresses | David Wetherall, Stefan Savage | 2008-10-28 |
| 7058015 | Distributed solution for regulating network traffic | David Wetherall, Stefan Savage | 2006-06-06 |