Average Co-Inventor Count = 2.00
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. Merck Serono S. A. (3 from 145 patents)
3 patents:
1. 9175284 - Puro-DHFR quadrifunctional marker and its use in protein production
2. 8841106 - Puro-DHFR quadrifunctional marker and its use in protein production
3. 8357535 - PURO-DHFR quadrifunctional marker and its use in protein production