Average Co-Inventor Count = 4.44
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. Other (1 from 832,843 patents)
2. Schering-plough Corporation (1 from 28 patents)
2 patents:
1. 5391706 - Purification of GM-CSF
2. 4751078 - Process for the purification of gamma interferon