Average Co-Inventor Count = 5.00
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. Basf Aktiengesellschaft (2 from 10,754 patents)
2 patents:
1. 5227392 - Alkoxycoumarins substituted by a heterocyclic radical, their preparation
2. 5073563 - Alkoxycoumarins substituted by a heterocyclic radical, their preparation