David Usher
23Patents
9h-index
31Co-inventors
75Inventor score
Filing activity: Nov 2, 2000 → Dec 9, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8121356B2 | Long distance multimodal biometric system and method | Physics | 45 | Active |
| US8170293B2 | Multimodal ocular biometric system and methods | Physics | 29 | Active |
| US8644562B2 | Multimodal ocular biometric system and methods | Physics | 25 | Active |
| US6453057B1 | Method for generating a unique consistent signal pattern for identification of an individual | Physics | 19 | Expired |
| US6757409B2 | Method for generating a unique and consistent signal pattern for identification of an individual | Physics | 16 | Expired |
| US8577093B2 | Long distance multimodal biometric system and method | Physics | 13 | Active |
| US8433103B2 | Long distance multimodal biometric system and method | Physics | 11 | Active |
| US9020580B2 | Systems and methods for monitoring time based photo active agent delivery or photo active marker presence | Human Necessities | 10 | Active |
| US7248720B2 | Method and system for generating a combined retina/iris pattern biometric | Physics | 9 | Expired |
| US10137239B2 | Systems and methods for monitoring time based photo active agent delivery or photo active marker presence | Human Necessities | 8 | Active |
| US8391567B2 | Multimodal ocular biometric system | Physics | 5 | Active |
| US8014571B2 | Multimodal ocular biometric system | Physics | 5 | Active |
| US6993161B2 | Method for generating a unique and consistent signal pattern for identification of an individual | Physics | 3 | Expired |
| US10631726B2 | Systems and methods for determining cross-linking distribution in a cornea and/or structural characteristics of a cornea | Human Necessities | 2 | Active |
| US11529050B2 | Systems and methods for determining cross-linking distribution in a cornea and/or structural characteristics of a cornea | Human Necessities | 1 | Active |
| US8983146B2 | Multimodal ocular biometric system | Physics | 1 | Active |
| US11642244B2 | Photoactivation systems and methods for corneal cross-linking treatments | Human Necessities | 1 | Active |
| US12004811B2 | Systems and methods for determining cross-linking distribution in a cornea and/or structural characteristics of a cornea | Human Necessities | 0 | Active |
| US12016794B2 | Photoactivation systems and methods for corneal cross-linking treatments | Human Necessities | 0 | Active |
| US12293513B2 | Systems and methods for generating patient-specific corneal cross-linking treatment patterns | Physics | 0 | Active |
| US11864990B2 | Bioresorbable corneal implants | Human Necessities | 0 | Active |
| US12042433B2 | Systems and methods for eye tracking during eye treatment | Human Necessities | 0 | Active |
| US12144546B2 | Systems and methods for eye tracking during eye treatment | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.