Average Co-Inventor Count = 2.40
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 1,936 patents)
2 patents:
1. 8712091 - Loudspeaker grille
2. 8135162 - Multiple magnet loudspeaker