Average Co-Inventor Count = 4.00
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. (3 from 1,925 patents)
3 patents:
1. 8672088 - Phase plug and acoustic lens for direct radiating loudspeaker
2. 8418802 - Phase plug and acoustic lens for direct radiating loudspeaker
3. 8181736 - Phase plug and acoustic lens for direct radiating loudspeaker