Average Co-Inventor Count = 1.71
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. Lucent Technologies Inc. (6 from 9,364 patents)
2. At+t Corp. (1 from 4,208 patents)
3. Alcatel-Lucent USA Inc. (1 from 1,310 patents)
8 patents:
1. 7840807 - Authentication of computing device through employment of determination that current location of authentication device matches initial location
2. 7366198 - Method and system for packet and circuit telephony in a distributed telecommunications switching system
3. 6396829 - Communications channel synchronous micro-cell for integrating circuit and packet data transmissions
4. 6298065 - Method for multi-mode operation of a subscriber line card in a telecommunications system
5. 6131718 - System and method for the detection of counterfeit currency
6. 6125117 - Hybrid packet-circuit telephone network configuration
7. 6009100 - Asynchronous transfer mode switching system
8. 5736932 - Security for controlled access systems