Average Co-Inventor Count = 1.71
ph-index = 3
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. (4 from 1,942 patents)
4 patents:
1. D1031690 - Loudspeaker
2. D991209 - Loudspeaker
3. D808922 - Turntable
4. D802033 - Bushing