Richard E. Thomas
19Patents
9h-index
19Co-inventors
69Inventor score
Filing activity: Jun 28, 1971 → Aug 28, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5336993A | Assembly for testing rectifiers and regulators of automotive alternators | Physics | 185 | Expired |
| US5594136A | Texaphyrin solid supports and devices | Performing Operations; Transporting | 46 | Expired |
| US4101800A | Controlled-porosity dispenser cathode | Electricity | 20 | Expired |
| US4051283A | Printed sheets containing concealed images and method and materials for preparation and visual development of same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4379979A | Controlled porosity sheet for thermionic dispenser cathode and method of manufacture | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5744302A | Method for separating molecules | Chemistry; Metallurgy | 12 | Expired |
| US4254357A | Multi-arrayed micro-patch emitter with integral control grid | Electricity | 11 | Expired |
| US5672490A | Method of cleaving DNA | Chemistry; Metallurgy | 10 | Expired |
| USD295780S | Trap for plumbing installations | General | 10 | Expired |
| US4097637A | Latent imaging master | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5808059A | Matrix-supported sapphyrins | Chemistry; Metallurgy | 6 | Expired |
| US4745326A | Method of manufacturing integral shadow gridded controlled porosity, dispenser cathodes | Electricity | 6 | Expired |
| US4242462A | Electrically powered self-heating inoculating loop | Chemistry; Metallurgy | 4 | Expired |
| US3971110A | Method for fabricating an electron-emission cathode | Electricity | 4 | Expired |
| US4371809A | Integral-shadow-grid controlled-porosity dispenser cathode | Electricity | 4 | Expired |
| US4675091A | Co-sputtered thermionic cathodes and fabrication thereof | Electricity | 3 | Expired |
| US4038761A | Element and method for teaching with liquid crystals | Human Necessities | 3 | Expired |
| US4144488A | Investigation of near-surface electronic properties in semiconductors by electron beam scanning | Physics | 2 | Expired |
| US4142145A | Method for determining conduction-band edge and electron affinity in semiconductors | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.