Average Co-Inventor Count = 5.00
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. Pharmacia Aktiebolag (3 from 34 patents)
3 patents:
1. 6326371 - Pyrudyl and pyrimidylpiperazine derivatives
2. 5652240 - Pyridyl-and pyrimidylpiperazine derivatives
3. 5574031 - Piperazine carboxamides