Average Co-Inventor Count = 2.86
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. Nortel Networks Corporation (2 from 4,171 patents)
2 patents:
1. 7190896 - Supervisory control plane over wavelength routed networks
2. 6901048 - Link-level protection of traffic in a packet-switched network