Average Co-Inventor Count = 1.00
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. Rieter Automotive (international) Ag (2 from 18 patents)
2 patents:
1. 6167985 - &lgr;/4 absorber with an adjustable band width
2. 5959265 - Lambda/4-wave sound absorber