Average Co-Inventor Count = 6.86
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. Japat Limited (1 from 6 patents)
2. Ciba Geigy Japan Limited (1 from 4 patents)
2 patents:
1. 5780498 - Endothelin receptor antagonists
2. 5703106 - Antagonists of endothelin receptors