Average Co-Inventor Count = 5.08
ph-index = 3
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. Merck Frosst Canada & Co. (2 from 80 patents)
2. Merck Frosst Canada, Inc. (1 from 212 patents)
3 patents:
1. 6316472 - Heterosubstituted pyridine derivatives as PDE 4 inhibitors
2. 6200993 - Heterosubstituted pyridine derivatives as PDE4 inhibitors
3. 5817700 - Bisaryl cyclobutenes derivatives as cyclooxygenase inhibitors