Average Co-Inventor Count = 5.87
ph-index = 1
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. Johnson Matthey Public Limited Company (3 from 835 patents)
2. Johnson Matthey Inc. (268 patents)
3. Macfarlan Smith Limited (7 patents)
3 patents:
1. 10208054 - Method of preparing buprenorphine
2. 9624231 - Method of preparing buprenorphine
3. 8916707 - Process