Average Co-Inventor Count = 2.40
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. Schering Corporation (1 from 1,829 patents)
2. Pennwalt Corporation (1 from 615 patents)
2 patents:
1. 4614743 - Methods of treating pain and inflammation with
2. 4254024 - Tetrapeptides and derivatives having opiate activity