Average Co-Inventor Count = 3.00
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. Nortel Networks Corporation (4 from 4,171 patents)
2. Rockstar Consortium US LP (1 from 254 patents)
5 patents:
1. 8451835 - Voice optimization in a network having voice over internet protocol communication devices
2. 7787447 - Voice optimization in a network having voice over the internet protocol communication devices
3. 7519047 - Method and apparatus for cloning terminals in a communications network
4. 6937572 - Call trace on a packet switched network
5. 6661883 - Method and apparatus allowing remote key system units to interoperate