Validity Sensors, Inc.
32Patents
29Active
32Granted
57Portfolio score
Filing activity: Dec 5, 2001 → Sep 13, 2012 · 21 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7146024B2 | Swiped aperture capacitive fingerprint sensing systems and methods | Physics | 113 | Expired |
| US7099496B2 | Swiped aperture capacitive fingerprint sensing systems and methods | Physics | 109 | Expired |
| US8116540B2 | Apparatus and method for reducing noise in fingerprint sensing circuits | Physics | 104 | Active |
| US7463756B2 | Finger position sensing methods and apparatus | Physics | 96 | Active |
| US8290150B2 | Method and system for electronically securing an electronic device using physically unclonable functions | Electricity | 90 | Active |
| US7643950B1 | System and method for minimizing power consumption for an object sensor | Physics | 88 | Expired |
| US7751601B2 | Fingerprint sensing assemblies and methods of making | Emerging Cross-Sectional Technologies | 85 | Active |
| US8131026B2 | Method and apparatus for fingerprint image reconstruction | Physics | 83 | Active |
| US7460697B2 | Electronic fingerprint sensor with differential noise cancellation | Physics | 81 | Active |
| US7953258B2 | Fingerprint sensing circuit having programmable sensing patterns | Physics | 73 | Active |
| US8005276B2 | Apparatus and method for reducing parasitic capacitive coupling and noise in fingerprint sensing circuits | Physics | 72 | Active |
| US8107212B2 | Apparatus and method for protecting fingerprint sensing circuitry from electrostatic discharge | Physics | 71 | Active |
| US8077935B2 | Methods and apparatus for acquiring a swiped fingerprint image | Physics | 67 | Active |
| US8276816B2 | Smart card system with ergonomic fingerprint sensor and method of using | Physics | 58 | Active |
| US8358815B2 | Method and apparatus for two-dimensional finger motion tracking and control | Physics | 57 | Active |
| US8229184B2 | Method and algorithm for accurate finger motion tracking | Physics | 57 | Active |
| US8165355B2 | Method and apparatus for fingerprint motion tracking using an in-line array for use in navigation applications | Physics | 52 | Active |
| US8520913B2 | Apparatus and method for reducing noise in fingerprint sensing circuits | Physics | 48 | Active |
| US8175345B2 | Unitized ergonomic two-dimensional fingerprint motion tracking device and method | Physics | 46 | Active |
| US8204281B2 | System and method to remove artifacts from fingerprint sensor scans | Physics | 39 | Active |
| US8315444B2 | Unitized ergonomic two-dimensional fingerprint motion tracking device and method | Physics | 37 | Active |
| US8224044B2 | Fingerprint sensing assemblies and methods of making | Emerging Cross-Sectional Technologies | 35 | Active |
| US8374407B2 | Live finger detection | Physics | 32 | Active |
| US8278946B2 | Apparatus and method for detecting finger activity on a fingerprint sensor | Physics | 31 | Active |
| US8391568B2 | System and method for improved scanning of fingerprint edges | Physics | 29 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.