Average Co-Inventor Count = 1.75
ph-index = 1
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. Harley-davidson Motor Company Group, LLC (1 from 273 patents)
2. Radio Sound, Inc. (1 from 5 patents)
3. Andover Audio LLC (1 from 1 patent)
2 patents:
1. 12035119 - Base speaker system for use with turntable that eliminates feedback, resonance, and other audio-disruptive noise
2. 8139810 - Motorcycle speaker system