Average Co-Inventor Count = 5.54
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 1,876 patents)
2 patents:
1. 7409381 - Index to a semi-structured database
2. 7007067 - Apparatus for processing communications