Average Co-Inventor Count = 3.27
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. France Telecom (3 from 1,156 patents)
3 patents:
1. 6424720 - Method and device for reducing multi-channel acoustic echo and adapting sound to space conditions
2. 5848170 - Acoustic antenna for computer workstation
3. 5684882 - System for selective sound capture for reverberant and noisy environment