Average Co-Inventor Count = 2.00
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. Ammann Verdichtung Ag (1 from 1 patent)
1 patent:
1. 6431790 - Method of measuring mechanical data of a soil, and of compacting the soil, and measuring or soil-compaction device