Average Co-Inventor Count = 11.00
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. Pfizer Corporation (3 from 4,455 patents)
2. Pfizer Products Inc. (47 patents)
3 patents:
1. 8633204 - 4-methylpyridopyrimidinone compounds
2. 8273755 - 4-methylpyridopyrimidinone compounds
3. 7696213 - 4-methylpyridopyrimidinone compounds