Average Co-Inventor Count = 3.27
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. Lucent Technologies Inc. (1 from 9,364 patents)
2. American Telephone & Telegraph Co., At&t Bell Laboratories (1 from 745 patents)
3. At&t Information Systems Inc. (1 from 243 patents)
2 patents:
1. 5684869 - Telephone station remote access device and method
2. 4741026 - Message signaling arrangement between a switching system and user