Average Co-Inventor Count = 3.60
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. Sonics Associates, Inc. (2 from 15 patents)
2. At&t Bell Laboratories (1 from 3,345 patents)
3 patents:
1. D358151 - 3-D audio headset
2. D358150 - Combined 3D audio headset and glasses
3. D342261 - Telephone handset