Average Co-Inventor Count = 4.57
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. Astrazeneca Ab (2 from 1,500 patents)
2. Astra Zeneca U.k. Limited (1 from 107 patents)
3. Astra Pharmaceuticals Limited (1 from 24 patents)
4 patents:
1. 6300352 - Pyridine derivatives and pharmaceutical compositions containing them
2. 6265409 - Pyridine derivatives and pharmaceutical compositions containing them
3. 6143751 - Pyridine derivatives and pharmaceutical compositions containing them
4. 5935956 - Pyridazine compounds