John Michael Walker
22Patents
6h-index
25Co-inventors
69Inventor score
Filing activity: Feb 12, 1979 → Apr 30, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7296290B2 | Method and apparatus for handling user identities under single sign-on services | Physics | 65 | Expired |
| US7177642B2 | Method and system for handling multiple registration | Electricity | 44 | Expired |
| US5825431A | H-sync to pixel clock phase detection circuit | Electricity | 19 | Expired |
| US7296078B2 | User selector proxy, method and system for authentication, authorization and accounting | Electricity | 14 | Expired |
| US8332912B2 | Method and apparatus for determining an authentication procedure | Electricity | 10 | Active |
| US5265856A | Sheet feeding and flattening apparatus | Performing Operations; Transporting | 7 | Expired |
| US8532673B2 | Method and apparatus for inter network retrieval of user related data | Electricity | 6 | Active |
| US8462710B2 | Mechanism to uniquely identify and unify a user's set of packet bearer contexts in a mobile telecommunications network | Electricity | 6 | Active |
| US5748293A | Adjustable document handler for reproduction apparatus | Physics | 4 | Expired |
| US8249562B2 | Methods, apparatuses and software for providing the service control node with filter criteria | Electricity | 4 | Active |
| US8185104B2 | Apparatus and method for differentiating services in multimedia networks to roaming subscribers | Electricity | 3 | Active |
| US8578456B2 | Authentication in an IP multimedia subsystem network where an in-use line identifier (LID) does not match a registered LID | Electricity | 3 | Active |
| US8442517B2 | Method and apparatus for controlling communications | Electricity | 3 | Active |
| US10455379B1 | Message processing and delivery | Physics | 2 | Active |
| US8483211B2 | Method and system for global anchor registration | Electricity | 2 | Active |
| US9467431B2 | Application specific master key selection in evolved networks | Electricity | 2 | Active |
| US8180878B2 | Methods and apparatuses for terminating an IP multimedia subsystem service when IP address is no longer allocated to the user | Electricity | 1 | Active |
| US9288780B2 | Method for controlling a communication network, servers and system including servers, and computer programs | Electricity | 1 | Active |
| USD263464S | Boat | General | 1 | Expired |
| US8213932B2 | Apparatus and method for differentiating services in multimedia networks to roaming subscribers | Electricity | 1 | Active |
| US8745182B2 | Provision of public service identities | Electricity | 0 | Active |
| US8949950B2 | Selection of successive authentication methods | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.