Average Co-Inventor Count = 4.00
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. Eisai Company, Limited (2 from 677 patents)
2 patents:
1. 4985245 - tPA-containing medical composition
2. 4837022 - Composition containing tissue plasminogen activator