Average Co-Inventor Count = 2.00
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. Boehringer Ingelheim Chemicals, Inc. (4 from 7 patents)
4 patents:
1. 6469170 - Method for preparing oxycodone
2. 6403798 - Method for preparing oxycodone
3. 6262266 - Method for preparing oxycodone
4. 6177567 - Method for preparing oxycodone