Average Co-Inventor Count = 1.58
ph-index = 5
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. (5 from 1,930 patents)
5 patents:
1. D852777 - Headphone
2. D849718 - Loudspeaker
3. D839855 - Loudspeaker
4. D811364 - Headphone
5. D806685 - Headphone