John M. Case
5Patents
3h-index
4Co-inventors
50Inventor score
Filing activity: May 20, 1976 → Jun 26, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4270042A | Electronic funds transfer system | Physics | 180 | Expired |
| US4172552A | Credit card processing system | Physics | 36 | Expired |
| US4358671A | Check processing system | Physics | 21 | Expired |
| US4017101A | Letter of credit device | Performing Operations; Transporting | 3 | Expired |
| US11361335B2 | Machine learning engine for demand-based pricing | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.