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. Smithkline Beecham Corporation (4 from 2,198 patents)
4 patents:
1. 6051599 - Endothelin receptor antagonists
2. 6017952 - Endothelin receptor antagonists
3. 5929106 - Endothelin receptor antagonists
4. 5736564 - Endothelin receptor antagonists