Joseph A. Smart
17Patents
13h-index
14Co-inventors
71Inventor score
Filing activity: Oct 2, 2000 → Aug 8, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7250360B2 | Single step, high temperature nucleation process for a lattice mismatched substrate | Electricity | 96 | Expired |
| US7033961B1 | Epitaxy/substrate release layer | Electricity | 88 | Expired |
| US8080833B2 | Thick pseudomorphic nitride epitaxial layers | Electricity | 43 | Active |
| US7052942B1 | Surface passivation of GaN devices in epitaxial growth chamber | Electricity | 40 | Expired |
| US7026665B1 | High voltage GaN-based transistor structure | Electricity | 36 | Expired |
| US7638346B2 | Nitride semiconductor heterostructures and related methods | Electricity | 35 | Active |
| US9437430B2 | Thick pseudomorphic nitride epitaxial layers | Electricity | 30 | Active |
| US8222650B2 | Nitride semiconductor heterostructures and related methods | Electricity | 28 | Active |
| US7408182B1 | Surface passivation of GaN devices in epitaxial growth chamber | Electricity | 26 | Active |
| US7459356B1 | High voltage GaN-based transistor structure | Electricity | 22 | Active |
| US6478871B1 | Single step process for epitaxial lateral overgrowth of nitride based materials | Electricity | 22 | Expired |
| US7968391B1 | High voltage GaN-based transistor structure | Electricity | 21 | Active |
| US8545629B2 | Method and apparatus for producing large, single-crystals of aluminum nitride | Emerging Cross-Sectional Technologies | 20 | Active |
| US8896020B2 | Method and apparatus for producing large, single-crystals of aluminum nitride | Emerging Cross-Sectional Technologies | 13 | Active |
| US9447521B2 | Method and apparatus for producing large, single-crystals of aluminum nitride | Emerging Cross-Sectional Technologies | 2 | Active |
| US10446391B2 | Thick pseudomorphic nitride epitaxial layers | Electricity | 1 | Active |
| US9970127B2 | Method and apparatus for producing large, single-crystals of aluminum nitride | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.