Average Co-Inventor Count = 2.57
ph-index = 2
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)
3 patents:
1. 5867515 - Halide glass compositions
2. 5772915 - Glass compositions
3. 5560868 - Halide glass compositions and optical circuits and methods employing same