Average Co-Inventor Count = 2.57
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. Pfizer Corporation (3 from 4,455 patents)
3 patents:
1. 7132549 - Process
2. 7005520 - Process for the preparation of pyrazolopyrimidinones
3. 6667398 - Process for the preparation of pyrazolopyrimidinones