Average Co-Inventor Count = 3.33
ph-index = 4
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 1,930 patents)
4 patents:
1. 8477966 - In-wall sub-woofer with high-volume displacement
2. 7840018 - In-wall sub-woofer system with high-volume displacement
3. 7454022 - Multi-mode ambient soundstage system
4. D476641 - Portion of a speaker