Average Co-Inventor Count = 3.00
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. American Cyanamid Company (2 from 3,580 patents)
2 patents:
1. 5438071 - Stable porfimer sodium compositions and methods for their manufacture
2. 5244914 - Stable porfimer sodium compositions and methods for their manufacture