Average Co-Inventor Count = 1.76
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. (2 from 1,944 patents)
2. Other (1 from 832,966 patents)
3 patents:
1. 9661949 - Segmented french press
2. 7158648 - Loudspeaker system with extended bass response
3. D498471 - Portable loudspeaker