Average Co-Inventor Count = 4.00
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. At+t Corp. (4 from 4,208 patents)
2. At&t Intellectual Property I, L.p. (1 from 16,478 patents)
5 patents:
1. 7809277 - Methods and systems for polarization mode dispersion compensation
2. 7333728 - Methods and systems for polarization mode dispersion compensation
3. 7203423 - Methods and systems for polarization mode dispersion compensation
4. 6980744 - Methods and systems for polarization mode dispersion compensation
5. 6674972 - Methods and systems for polarization mode dispersion compensation