David Barrington Everett
25Patents
13h-index
11Co-inventors
74Inventor score
Filing activity: Nov 29, 1994 → Oct 26, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5857152A | Electronic toll payment | Physics | 187 | Expired |
| US6220510A | Multi-application IC card with delegation feature | Physics | 181 | Expired |
| US6237848A | Reading data from a smart card | Physics | 155 | Expired |
| US6439455B1 | Value transfer system | Physics | 93 | Expired |
| US5982293A | Transaction recovery in a value transfer system | Physics | 80 | Expired |
| US6230267A | IC card transportation key set | Physics | 75 | Expired |
| US6366894B1 | Value transfer system | Physics | 41 | Expired |
| US5715431A | Tamper proof security measure in data writing to non-volatile memory | Physics | 40 | Expired |
| US6317832A | Secure multiple application card system and process | Electricity | 32 | Expired |
| US6575372B1 | Secure multi-application IC card system having selective loading and deleting capability | Physics | 32 | Expired |
| US6328217A | Integrated circuit card with application history list | Physics | 24 | Expired |
| US6488211B1 | System and method for flexibly loading in IC card | Physics | 18 | Expired |
| US6659354B2 | Secure multi-application IC card system having selective loading and deleting capability | Physics | 17 | Expired |
| US6742715B2 | System and method for flexibly loading an IC card | Physics | 12 | Expired |
| US7730312B2 | Tamper resistant module certification authority | Electricity | 9 | Active |
| US7734923B2 | Key transformation unit for a tamper resistant module | Electricity | 6 | Active |
| US7469339B2 | Secure multiple application card system and process | Electricity | 5 | Expired |
| US7669055B2 | Key transformation unit for a tamper resistant module | Electricity | 5 | Active |
| US7730311B2 | Key transformation unit for a tamper resistant module | Electricity | 5 | Active |
| US7730310B2 | Key transformation unit for a tamper resistant module | Electricity | 4 | Active |
| US7707408B2 | Key transformation unit for a tamper resistant module | Electricity | 4 | Active |
| US7702908B2 | Tamper resistant module certification authority | Electricity | 3 | Active |
| US7584358B2 | Tamper resistant module certification authority | Electricity | 3 | Active |
| US7689826B2 | Flexibly loading a tamper resistant module | Electricity | 3 | Active |
| US7917760B2 | Tamper resistant module having separate control of issuance and content delivery | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.