Average Co-Inventor Count = 4.21
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 (3 from 1,874 patents)
2. British Telecommunications Corporation (1 from 445 patents)
4 patents:
1. 5410628 - Optical tapping device for use in conjunction with an optical fiber
2. 5315675 - Optical tap having a v-shaped recess within the range of from 152.degree. t
3. 5127724 - Optical power meter
4. 5069519 - Optical fibre handling apparatus and method of using same