Average Co-Inventor Count = 2.37
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. British Telecommunications Public Limited Company (13 from 1,873 patents)
2. British Telecommunications Corporation (5 from 445 patents)
3. British Broadcasting Corporation (1 from 138 patents)
19 patents:
1. 11849068 - Spoof call detection in telephone network
2. 11412085 - Spoof call detection in telephone network
3. 10594997 - Method and apparatus for conversion of dynamic range of video signals
4. 10545928 - Textual analysis system for automatic content extaction
5. 10372973 - Biometric identification
6. 10296584 - Semantic textual analysis
7. 10289896 - Biometric identification
8. 9934068 - Data analysis system
9. 9576041 - User specific database querying method and apparatus
10. 9460231 - System of generating new schema based on selective HTML elements
11. 9177297 - Distributing data messages to successive different subsets of group members based on distribution rules automatically selected using feedback from a prior selected subset
12. 8825650 - Method of classifying and sorting online content
13. 8255402 - Method and system of classifying online data
14. 8213319 - Fault location
15. 8078487 - Workflow scheduler