Average Co-Inventor Count = 1.71
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. British Telecommunications Public Limited Company (2 from 1,874 patents)
2. British Telecommunications Corporation (1 from 445 patents)
3 patents:
1. 8842982 - Communications network
2. 8711883 - Multiple carrier compression scheme
3. 8433194 - Communications network