Average Co-Inventor Count = 1.67
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 (1 from 1,879 patents)
2. University of Strathclyde (1 from 150 patents)
2 patents:
1. 6134037 - Reduction of interferometer noise in an optical network
2. 5390178 - Communications switching network