Average Co-Inventor Count = 3.83
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. Harman International Industries, Inc. (3 from 1,933 patents)
3 patents:
1. D1073642 - Loudspeaker
2. D1045823 - Loudspeaker
3. 11820295 - Detachable mixed-source portable speakers