Average Co-Inventor Count = 3.96
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. Schering Aktiengesellschaft (7 from 1,384 patents)
2. Other (3 from 832,718 patents)
3. Hoffmann-la Roche Inc. (2 from 4,943 patents)
12 patents:
1. 4272630 - D-Homosteroids
2. 4247635 - Microbiological reduction of 15-ketoprostaglandin intermediates
3. 4237220 - Process for preparing 9.alpha.-hydroxy-4-androstene-3,17-dione
4. 4202841 - D-Homopregnanes
5. 4196203 - Novel corticoids
6. 4137269 - D-homosteroids
7. 4056633 - D-homo-20-ketopregnanes and method for inducing anesthesia or narcosis
8. 4045574 - D-Homo-20-ketopregnanes
9. 4029692 - Steroid carboxylic acids and derivatives
10. 4026921 - D-homosteroids
11. 4012510 - Novel methylene steroids
12. 4008312 - Pregnane-21-oic acid derivatives