Average Co-Inventor Count = 2.67
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 1,873 patents)
2. British Telecommunications Public (1 from 4 patents)
2 patents:
1. 7967530 - Sub-ducting apparatus
2. 7866022 - Method and system of subduct and cable installation