Average Co-Inventor Count = 4.00
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. Astra Aktiebolag (2 from 271 patents)
2. Aktiebolaget Astra (1 from 53 patents)
3 patents:
1. 5939409 - Processes for the production of anti-inflammatory steroids
2. 5674861 - Fluorinated steroids
3. 5614514 - Steroid esters