Robert D. Hillhouse
24Patents
12h-index
2Co-inventors
67Inventor score
Filing activity: Jan 15, 1998 → Aug 31, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6160903A | Method of providing secure user access | Physics | 216 | Expired |
| US6434259B1 | Method of providing secure user access | Physics | 126 | Expired |
| US6052468A | Method of securing a cryptographic key | Electricity | 122 | Expired |
| US7191466B1 | Flexible system and method of user authentication for password based system | Physics | 77 | Expired |
| US7137008B1 | Flexible method of user authentication | Physics | 74 | Expired |
| US7093282B2 | Method for supporting dynamic password | Physics | 57 | Expired |
| US7114646B2 | Method and apparatus for biometric verification with data packet transmission prioritization | Physics | 30 | Expired |
| US7274807B2 | Method and apparatus for supporting a biometric registration performed on a card | Physics | 30 | Expired |
| US7400749B2 | Method and apparatus for supporting a biometric registration performed on an authentication server | Physics | 27 | Expired |
| US7391891B2 | Method and apparatus for supporting a biometric registration performed on an authentication server | Physics | 20 | Active |
| US7251828B1 | Flexible method of security data backup | Electricity | 18 | Expired |
| US7103200B2 | Method and system for adaptively varying templates to accommodate changes in biometric information | Physics | 16 | Expired |
| US7240211B2 | Method of providing an access request to a same server based on a unique identifier | Electricity | 11 | Expired |
| US8296570B2 | Flexible method of user authentication | Physics | 11 | Active |
| US7372979B2 | Method and system for adaptively varying templates to accommodate changes in biometric information | Physics | 11 | Active |
| US6772954B2 | Method of encoding information within directory files on an integrated circuit smart card | Physics | 10 | Expired |
| US7512807B2 | Method and apparatus for biometric verification with data packet transmission prioritization | Physics | 8 | Expired |
| US8775819B2 | Flexible method of user authentication | Physics | 6 | Active |
| US7492928B2 | Method and apparatus for biometric verification with data packet transmission prioritization | Physics | 5 | Expired |
| US7711153B2 | Method and apparatus for searching biometric image data | Physics | 3 | Expired |
| US7916901B2 | Method and apparatus for searching biometric image data | Physics | 2 | Active |
| US8171304B2 | Method, system and computer program product for multiple biometric template screening | Physics | 1 | Active |
| US7673333B2 | Flexible method of security data backup | Electricity | 1 | Active |
| US8103063B2 | Method and apparatus for searching biometric image data | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.