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 (2 from 1,873 patents)
2 patents:
1. 9611842 - Air compressor
2. 8550435 - Optical fibre installation apparatus