Average Co-Inventor Count = 2.29
ph-index = 4
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. Doppler Labs, Inc. (3 from 24 patents)
2. Dolby Laboratories Licensing Corporation (1 from 2,604 patents)
4 patents:
1. D813205 - Ear piece
2. D777710 - Ear piece
3. D772572 - Ear piece case
4. D773032 - Earplug