Average Co-Inventor Count = 1.25
ph-index = 5
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 (5 from 1,876 patents)
5 patents:
1. 6529601 - Method and apparatus for polarization-insensitive quantum cryptography
2. 5953421 - Quantum cryptography
3. 5850441 - System and method for key distribution using quantum cryptography
4. 5768378 - Key distribution in a multiple access network using quantum cryptography
5. 5675648 - System and method for key distribution using quantum cryptography