Average Co-Inventor Count = 3.00
ph-index = 1
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 (1 from 4,456 patents)
2. Osaka City University (1 from 57 patents)
1 patent:
1. 4245053 - Macroreticular itaconic acid ion exchange resin and process for its