Alan G. Knapp
55Patents
19h-index
41Co-inventors
84Inventor score
Filing activity: Dec 11, 1975 → Aug 26, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6373454B1 | Active matrix electroluminescent display devices | Physics | 403 | Expired |
| US5325442A | Fingerprint sensing device and recognition system having predetermined electrode activation | Physics | 395 | Expired |
| US6542138B1 | Active matrix electroluminescent display device | Physics | 307 | Expired |
| US6693610B2 | Active matrix electroluminescent display device | Physics | 229 | Expired |
| US7129914B2 | Active matrix electroluminescent display device | Electricity | 218 | Expired |
| US5838308A | Optical touch input device | Physics | 200 | Expired |
| US5270711A | Touch sensor array systems and display systems incorporating such | Physics | 156 | Expired |
| US6359605B1 | Active matrix electroluminescent display devices | Physics | 109 | Expired |
| US5349174A | Image sensor with transparent capacitive regions | Electricity | 107 | Expired |
| US5684501A | Active matrix display device and method of driving such | Physics | 93 | Expired |
| US5892504A | Matrix display device and its method of operation | Physics | 69 | Expired |
| US6370965B1 | Capacitive sensing array devices | Physics | 65 | Expired |
| US5485177A | Matrix display device with write-in facility | Physics | 59 | Expired |
| US5495265A | Fast response electro-optic display device | Physics | 57 | Expired |
| US5237314A | Addressing a matrix device using electro-optical switching | Physics | 47 | Expired |
| US5852425A | Active matrix display devices for digital video signals and method for driving such | Physics | 27 | Expired |
| US5159325A | Method of driving a display device | Physics | 26 | Expired |
| US5428370A | Matrix display device and its method of operation | Physics | 21 | Expired |
| US5379050A | Method of driving a matrix display device and a matrix display device operable by such a method | Physics | 20 | Expired |
| US6357302B1 | Capacitive sensing array device including electrostatic damage prevention means | Physics | 18 | Expired |
| US5014048A | Matrix display systems | Physics | 17 | Expired |
| US4099079A | Secondary-emissive layers | Electricity | 17 | Expired |
| US6700562B1 | Active matrix liquid crystal display devices | Physics | 17 | Expired |
| US4422005A | Channel plate electron multiplier | Electricity | 12 | Expired |
| US4560898A | Color picture display tube | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.