Average Co-Inventor Count = 4.50
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 (1 from 4,171 patents)
2. Ciena Corporation (1 from 1,961 patents)
3. Oni Systems Corp. (1 from 8 patents)
3 patents:
1. 7376710 - Methods and systems for providing access to stored audio data over a network
2. 6701087 - Optical power management in an optical network
3. 6304347 - Optical power management in an optical network