Average Co-Inventor Count = 3.69
ph-index = 4
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. Lucent Technologies Inc. (4 from 9,364 patents)
4 patents:
1. 5721780 - User-transparent security method and apparatus for authenticating user
2. 5706334 - Apparatus for providing a graphical control interface
3. 5623537 - Telephone message center
4. 5550900 - Apparatus and method for routing messages in a telephone message center