Average Co-Inventor Count = 3.43
ph-index = 3
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 1,874 patents)
2. Bt&d Technologies Limited (2 from 19 patents)
4 patents:
1. 5412464 - Apparatus and method for monitoring losses in a branched optical fibre
2. 5342425 - Fabrication of fused fibre devices
3. 5343286 - OTDR having optically switched amplified output onto test fibre to
4. 5288301 - Method for fabrication of fused fibre devices