Joseph Sumakeris
24Patents
13h-index
19Co-inventors
74Inventor score
Filing activity: Mar 24, 1997 → Nov 20, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8052794B2 | Directed reagents to improve material uniformity | Chemistry; Metallurgy | 347 | Active |
| US6217662A | Susceptor designs for silicon carbide thin films | Chemistry; Metallurgy | 330 | Expired |
| US7226805B2 | Sequential lithographic methods to reduce stacking fault nucleation sites | Emerging Cross-Sectional Technologies | 226 | Active |
| US6653659B2 | Silicon carbide inversion channel mosfets | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6429041B1 | Methods of fabricating silicon carbide inversion channel devices without the need to utilize P-type implantation | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6530990B2 | Susceptor designs for silicon carbide thin films | Chemistry; Metallurgy | 49 | Expired |
| US7279115B1 | Method to reduce stacking fault nucleation sites and reduce Vf drift in bipolar devices | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7230274B2 | Reduction of carrot defects in silicon carbide epitaxy | Electricity | 22 | Expired |
| US7118781B1 | Methods for controlling formation of deposits in a deposition system and deposition methods including the same | Chemistry; Metallurgy | 18 | Expired |
| US7109521B2 | Silicon carbide semiconductor structures including multiple epitaxial layers having sidewalls | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6797069B2 | Gas driven planetary rotation apparatus and methods for forming silicon carbide layers | Electricity | 16 | Expired |
| US6974720B2 | Methods of forming power semiconductor devices using boule-grown silicon carbide drift layers and power semiconductor devices formed thereby | Electricity | 15 | Expired |
| US6569250B2 | Gas-driven rotation apparatus and method for forming silicon carbide layers | Chemistry; Metallurgy | 14 | Expired |
| US6849874B2 | Minimizing degradation of SiC bipolar semiconductor devices | Electricity | 13 | Expired |
| US7018554B2 | Method to reduce stacking fault nucleation sites and reduce forward voltage drift in bipolar devices | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8430960B2 | Deposition systems and susceptor assemblies for depositing a film on a substrate | Chemistry; Metallurgy | 10 | Active |
| US6896738B2 | Induction heating devices and methods for controllably heating an article | Chemistry; Metallurgy | 7 | Expired |
| US7427326B2 | Minimizing degradation of SiC bipolar semiconductor devices | Electricity | 4 | Active |
| US8536582B2 | Stable power devices on low-angle off-cut silicon carbide crystals | Electricity | 3 | Active |
| US7390367B1 | Housing assembly for an induction heating device including liner or susceptor coating | Chemistry; Metallurgy | 2 | Expired |
| US9903046B2 | Reduction of carrot defects in silicon carbide epitaxy | Electricity | 1 | Active |
| US9455356B2 | High power silicon carbide (SiC) PiN diodes having low forward voltage drops | Electricity | 0 | Expired |
| US7880171B2 | Minimizing degradation of SiC bipolar semiconductor devices | Electricity | 0 | Expired |
| US9155131B2 | Methods for controllably induction heating an article | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.