Albert Friedes
14Patents
13h-index
38Co-inventors
74Inventor score
Filing activity: Aug 3, 1983 → Feb 25, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5003584A | Method and apparatus for the billing of value-added communication calls | Emerging Cross-Sectional Technologies | 298 | Expired |
| US5444774A | Interactive queuing sytem for call centers | Electricity | 260 | Expired |
| US5311572A | Cooperative databases call processing system | Electricity | 226 | Expired |
| US5521966A | Method and system for mediating transactions that use portable smart cards | Physics | 168 | Expired |
| US5633922A | Process and apparatus for restarting call routing in a telephone network | Electricity | 159 | Expired |
| US5311583A | International priority calling system with callback features | Electricity | 146 | Expired |
| US5675607A | Method and apparatus for facilitating the making of card calls | Electricity | 128 | Expired |
| US4555594A | Telephone interexchange signaling protocol | Emerging Cross-Sectional Technologies | 128 | Expired |
| US5894595A | Personal mobile communication system | Electricity | 96 | Expired |
| US5450479A | Method and apparatus for facilitating the making of card calls | Electricity | 93 | Expired |
| US5771282A | Method for billing multiple services on a single account | Electricity | 92 | Expired |
| US5282243A | Recording of automatic number identification to identify lost customers | Electricity | 57 | Expired |
| US5329581A | Target area calling system | Electricity | 31 | Expired |
| US6148071A | Method and apparatus for providing calling features independent of the numbering plan | Electricity | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.