David Michael Claus
11Patents
9h-index
13Co-inventors
69Inventor score
Filing activity: Nov 9, 1989 → Sep 19, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5857079A | Smart card for automatic financial records | Physics | 437 | Expired |
| US5461217A | Secure money transfer techniques using smart cards | Physics | 368 | Expired |
| US5559313A | Categorization of purchased items for each transaction by a smart card | Physics | 252 | Expired |
| US5310999A | Secure toll collection system for moving vehicles | Physics | 225 | Expired |
| US5120939A | Databaseless security system | Physics | 129 | Expired |
| US6421425B1 | Automated communications assistant for the sound-impaired | Electricity | 118 | Expired |
| USH1794H | Secure money transfer techniques using hierarchical arrangement of smart | General | 112 | Active |
| US8294958B2 | Scanner system and method for scanning providing combined geometric and photometric information | Physics | 19 | Active |
| US8867532B2 | Method and system of voice carry over for instant messaging relay services | Electricity | 16 | Active |
| US8385329B2 | Method and system of voice carry over for instant messaging relay services | Electricity | 0 | Active |
| US9154620B2 | Method and system of voice carry over for instant messaging relay services | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.