Average Co-Inventor Count = 3.00
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 Becker Automotive Systems Gmbh (2 from 614 patents)
2. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (4,049 patents)
2 patents:
1. 8340908 - Calibration of tracking device
2. 7916039 - System for conveying audio information with a spatial characteristic to a vehicle occupant