Average Co-Inventor Count = 1.33
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. Hoffmann-la Roche Inc. (1 from 4,942 patents)
2. Hafslund Nycomed Pharma Aktiengesellschaft (1 from 9 patents)
2 patents:
1. 5138072 - Process for the preparation of
2. 4051174 - Isomerization process