ELO TouchSystems, Inc.
33Patents
0Active
33Granted
40Portfolio score
Filing activity: Jan 24, 1995 → Apr 20, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6856259B1 | Touch sensor system to detect multiple touch events | Physics | 510 | Expired |
| US6492979B1 | Dual sensor touchscreen utilizing projective-capacitive and force touch sensors | Physics | 468 | Expired |
| US6504530B1 | Touch confirming touchscreen utilizing plural touch sensors | Physics | 450 | Expired |
| US6297811A | Projective capacitive touchscreen | Physics | 418 | Expired |
| US5854450A | Acoustic condition sensor employing a plurality of mutually non-orthogonal waves | Emerging Cross-Sectional Technologies | 235 | Expired |
| US6091406A | Grating transducer for acoustic touchscreens | Physics | 223 | Expired |
| US6429857B1 | Apparatus and method to improve resolution of infrared touch systems | Physics | 203 | Expired |
| US5591945A | Acoustic touch position sensor using higher order horizontally polarized shear wave propagation | Emerging Cross-Sectional Technologies | 200 | Expired |
| US5815141A | Resistive touchscreen having multiple selectable regions for pressure discrimination | Physics | 198 | Expired |
| US5694150A | Multiuser/multi pointing device graphical user interface system | Physics | 195 | Expired |
| US6948371B2 | Acoustic wave touch detecting apparatus | Electricity | 189 | Expired |
| US6254105A | Sealing system for acoustic wave touchscreens | Physics | 175 | Expired |
| US5940065A | Algorithmic compensation system and method therefor for a touch sensor panel | Physics | 172 | Expired |
| US6650319B1 | Touch screen based topological mapping with resistance framing design | Physics | 146 | Expired |
| US6411287B1 | Stress seal for acoustic wave touchscreens | Physics | 139 | Expired |
| US6723929B2 | Acoustic condition sensor employing a plurality of mutually non-orthogonal waves | Emerging Cross-Sectional Technologies | 122 | Expired |
| US5986224A | Acoustic condition sensor employing a plurality of mutually non-orthogonal waves | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5739479A | Gentle-bevel flat acoustic wave touch sensor | Physics | 109 | Expired |
| US6506983B1 | Algorithmic compensation system and method therefor for a touch sensor panel | Physics | 108 | Expired |
| US6630929B1 | Adaptive frequency touchscreen controller | Physics | 79 | Expired |
| US6473075B1 | Adaptive frequency touchscreen controller employing digital signal processing | Physics | 72 | Expired |
| US6236391A | Acoustic touch position sensor using a low acoustic loss transparent substrate | Physics | 71 | Expired |
| US6636201B1 | Acoustic touchscreen having waveguided reflector arrays | Physics | 69 | Expired |
| US7006081B2 | Acoustic touch sensor with laminated substrate | Physics | 62 | Expired |
| US7000474B2 | Acoustic device using higher order harmonic piezoelectric element | Performing Operations; Transporting | 58 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.