Average Co-Inventor Count = 4.00
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. Harman International Industries, Inc. (2 from 1,933 patents)
2. Ossic Corporation (1 from 5 patents)
3 patents:
1. 11706582 - Calibrating listening devices
2. 10993065 - Systems and methods of calibrating earphones
3. 9955279 - Systems and methods of calibrating earphones