Timothy Drummond
6Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: Aug 31, 1987 → Aug 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5479033A | Complementary junction heterostructure field-effect transistor | Electricity | 223 | Expired |
| US5132248A | Direct write with microelectronic circuit fabrication | Electricity | 158 | Expired |
| US5825049A | Resonant tunneling device with two-dimensional quantum well emitter and base layers | Electricity | 88 | Expired |
| US4947223A | Semiconductor devices incorporating multilayer interference regions | Electricity | 26 | Expired |
| US4829020A | Substrate solder barriers for semiconductor epilayer growth | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11745831B2 | Bar gripping assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.