Average Co-Inventor Count = 4.00
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. Basf Aktiengesellschaft (1 from 10,754 patents)
1 patent:
1. 4333418 - Apparatus for the production of magnetic recording media in tape form