Average Co-Inventor Count = 5.00
ph-index = 4
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. Euro-celtique S.a. (6 from 270 patents)
6 patents:
1. 6413975 - Purine derivatives having phosphodiesterase iv inhibition activity
2. 6365606 - 6,5-fused aromatic ring systems having enhanced phosphodiesterase IV inhibitory activity
3. 6319928 - Purine derivatives having phosphodiesterase IV inhibition activity
4. 6294541 - Purine derivatives having phosphodiesterase IV inhibition activity
5. 6228859 - Purine derivatives having phosphodiesterase IV inhibition activity
6. 6075016 - 6,5-fused aromatic ring systems having enhanced phosphodiesterase IV