Average Co-Inventor Count = 8.00
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. 4130659 - Polyprenyl carboxylic acid compound and hypotensive agent containing it
2. 4107193 - Polyprenyl carboxylic acid compound