Average Co-Inventor Count = 2.67
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. At+t Corp. (1 from 4,208 patents)
2 patents:
1. 5751795 - Broadcasting of information through telephone switching system display
2. 5392346 - Mobile log-in capability featuring fixed physical (terminal-dependent)