Average Co-Inventor Count = 3.43
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. Wyeth (6 from 1,309 patents)
6 patents:
1. 6818636 - B-ring estratrienes
2. 6693207 - B-ring estratriene diols
3. 6649779 - Estrenes
4. 6525039 - B-ring estratrienes
5. 6458778 - Estradienes
6. 6395723 - Method of providing coginition enhancement with 5&agr;-pregnan-3&bgr;-ol-20-one sulfate