Average Co-Inventor Count = 4.13
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. Mci Communications Corporation (3 from 473 patents)
2. Mci, Inc. (2 from 161 patents)
5 patents:
1. 5966431 - SS7 gateway
2. 5706286 - SS7 gateway
3. 5703935 - Automated telephone operator services
4. 5640446 - System and method of validating special service calls having different
5. 5638431 - Calling card validation system and method therefor