Average Co-Inventor Count = 4.09
ph-index = 3
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. At+t Corp. (2 from 4,208 patents)
2. Lucent Technologies Inc. (1 from 9,364 patents)
3 patents:
1. 5550911 - Adjunct call handling for accessing adjunct-based capabilities platform
2. 5394463 - Telephone call processing arrangement based on calling and called party
3. 5367566 - Common channel signaling message intercept system