Average Co-Inventor Count = 2.40
ph-index = 1
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 (1 from 1,874 patents)
2. University of York (1 from 56 patents)
2 patents:
1. 7822193 - Estimation method and apparatus
2. 5416623 - Optical communications system