Average Co-Inventor Count = 3.33
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. Astrazeneca Ab (4 from 1,500 patents)
4 patents:
1. 7348340 - N-type calcium channel antagonists for the treatment of pain
2. 7189714 - N-type calcium channel antagonists for the treatment of pain
3. 6841680 - N-type calcium channel antagonists for the treatment of pain
4. 6815447 - N-type calcium channel antagonists for the treatment of pain