Average Co-Inventor Count = 2.40
ph-index = 1
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. Otto Engineering, Inc. (2 from 25 patents)
2 patents:
1. D997114 - Speaker microphone
2. D941459 - Ear tip