Average Co-Inventor Count = 3.75
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. Wirtgen Gmbh (2 from 499 patents)
2 patents:
1. 6655869 - Device for inserting dowels into freshly laid road surfaces
2. 6471442 - Slip form paver