Average Co-Inventor Count = 6.67
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 Ab (1 from 184 patents)
2. Pharmacia Aktiebolag (1 from 34 patents)
2 patents:
1. 5658910 - Nicotinic acid esters
2. 5652240 - Pyridyl-and pyrimidylpiperazine derivatives