Michael Buhrmann
38Patents
17h-index
25Co-inventors
81Inventor score
Filing activity: Jun 23, 1994 → Mar 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5933778A | Method and apparatus for providing telecommunication services based on a subscriber profile updated by a personal information manager | Electricity | 457 | Expired |
| US5903845A | Personal information manager for updating a telecommunication subscriber profile | Electricity | 412 | Expired |
| US5950125A | Location-dependent cellular service profile | Electricity | 145 | Expired |
| US5845207A | Service transfer to a wireless telephone | Electricity | 140 | Expired |
| US6035193A | Telephone system having land-line-supported private base station switchable into cellular network | Electricity | 125 | Expired |
| US8116731B2 | System and method for mobile identity protection of a user of multiple computer applications, networks or devices | Electricity | 99 | Active |
| US8374634B2 | System and method for automated analysis comparing a wireless device location with another geographic location | Electricity | 79 | Active |
| US6169895A | Landline-supported private base station for collecting data and switchable into a cellular network | Electricity | 67 | Expired |
| US6587700B1 | Personal communicator with flip element display | Electricity | 60 | Expired |
| US5854984A | Radio telephone with detachable pager | Electricity | 44 | Expired |
| US6256518A | System for providing power to a wireless system | Electricity | 43 | Expired |
| US6630883B1 | Method and system for delivering a short-message notification | Electricity | 42 | Expired |
| US9185123B2 | System and method for mobile identity protection for online user authentication | Electricity | 38 | Active |
| US7099707B2 | Method and system for providing power to a communications device | Electricity | 36 | Expired |
| US9420448B2 | System and method for automated analysis comparing a wireless device location with another geographic location | Electricity | 32 | Active |
| US6373931B1 | Method for allowing a called party to allocate call payment responsibility | Electricity | 27 | Expired |
| USD363281S | Wireless communications terminal | General | 26 | Expired |
| US9922323B2 | System and method for automated analysis comparing a wireless device location with another geographic location | Electricity | 10 | Active |
| US5875187A | TDMA messaging service microcell | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9838872B2 | System and method for mobile identity protection for online user authentication | Electricity | 5 | Active |
| US6405032B1 | System and method for retrieving messages from a voice message system | Electricity | 5 | Expired |
| US6229885A | Method for providing remote emulation of the functionality of a private exchange | Electricity | 4 | Expired |
| US11048879B2 | Systems and methods to determine and utilize semantic relatedness between multiple natural language sources to determine strengths and weaknesses | Physics | 4 | Active |
| USD389140S | Arrangement of displays for a wireless communications terminal | General | 4 | Expired |
| US7149553B2 | Method and system for providing power to a communications device | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.