Average Co-Inventor Count = 3.27
ph-index = 4
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 (3 from 1,879 patents)
2. British Telecommunications Corporation (3 from 445 patents)
6 patents:
1. 5323474 - Lossless optical signal splitter including remotely pumped amplifier
2. 5321777 - Fibre modulators
3. 5127724 - Optical power meter
4. 5042943 - Endface assessment
5. 4983007 - Optical coupling device
6. 4923278 - Temperature desensitization of delay in optical fibres