Average Co-Inventor Count = 1.64
ph-index = 2
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. 10994643 - Headrest with speakers
2. 10721554 - Audio directing loudspeaker grill
3. 10609488 - Dual-coil (differential drive) tactile transducer