Average Co-Inventor Count = 5.00
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 1,876 patents)
2. John Mellis (0 patent)
1 patent:
1. 5058124 - Semiconductor device and piezoelectric stack optical mounting assembly