Average Co-Inventor Count = 3.16
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 (3 from 677 patents)
3 patents:
1. 5304381 - Stabilization of polyprenyl compound
2. 5139740 - Polyprenyl compound composition for soft capsules
3. 4994279 - Multi-layer granule