Average Co-Inventor Count = 3.00
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. Schering Corporation (2 from 1,829 patents)
2 patents:
1. 4847377 - Substituted-2,3-dihydro-6-substituted-pyrimido[2,1-F]-purine-
2. 4666914 - Anti-inflammatory and anti-allergic