Average Co-Inventor Count = 3.47
ph-index = 2
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. At+t Corp. (1 from 4,208 patents)
2. British Telecommunications Public Limited Company (1 from 1,874 patents)
3. British Telecommunications Public (1 from 4 patents)
2 patents:
1. 7310613 - Data management system
2. 5867498 - Intelligent telecommunications network