Average Co-Inventor Count = 2.40
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)
2. Btg International Limited (1 from 250 patents)
4 patents:
1. 6037285 - Infrared transmitting optical fiber materials
2. 5867515 - Halide glass compositions
3. 5772915 - Glass compositions
4. 5560868 - Halide glass compositions and optical circuits and methods employing same