David Herbert Roach
17Patents
3h-index
11Co-inventors
53Inventor score
Filing activity: Jul 15, 1997 → Nov 19, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5879596A | Low temperature process for making polyurethaneureas | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7276844B2 | Process for improving the emission of electron field emitters | Electricity | 9 | Expired |
| US7449081B2 | Process for improving the emission of electron field emitters | Electricity | 5 | Expired |
| US7449082B2 | Process for improving the emissions of electron field emitters | Electricity | 3 | Active |
| US9236161B2 | Conductive paste composition and semiconductor devices made therewith | Emerging Cross-Sectional Technologies | 2 | Active |
| US7317277B2 | Electron field emitter and compositions related thereto | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8070906B2 | Process for improving the emission of electron field emitters | Electricity | 2 | Active |
| US8529798B2 | Process for improving the emission of electron field emitters | Electricity | 2 | Active |
| US6475412B1 | Process for making polyurethaneurea powder | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8900488B2 | Conductive paste composition and semiconductor devices made therewith | Emerging Cross-Sectional Technologies | 1 | Active |
| US8309223B2 | Polyimide based purge media and methods relating thereto | Emerging Cross-Sectional Technologies | 0 | Active |
| US8076834B2 | Field emission device with protecting vapor | Electricity | 0 | Active |
| US8011990B2 | Process for improving the emission of electron field emitters | Electricity | 0 | Active |
| US7750544B2 | Electron emitter composition made of an electron emitting substance and an expansion material for expansion of the electron emitting substance | Emerging Cross-Sectional Technologies | 0 | Active |
| US9284459B2 | Process for forming an electrically conductive structure on a substrate | Emerging Cross-Sectional Technologies | 0 | Active |
| US8298449B2 | Dielectric composition with reduced resistance | Electricity | 0 | Active |
| US7476340B2 | Composition containing alloyed nanophene moieties | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.