Average Co-Inventor Count = 5.71
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. Pharmacia Aktiebolag (3 from 34 patents)
2. Pharmacia Ab (1 from 184 patents)
4 patents:
1. 6326371 - Pyrudyl and pyrimidylpiperazine derivatives
2. 5658910 - Nicotinic acid esters
3. 5652240 - Pyridyl-and pyrimidylpiperazine derivatives
4. 5574031 - Piperazine carboxamides