Average Co-Inventor Count = 7.89
ph-index = 3
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 (8 from 677 patents)
2. General Director of the Agency of Industrial Science and Technology (3 from 11 patents)
3. Agency of Industrial Science and Technology (1 from 1,037 patents)
4. Director-general of the Agency of Industrial Science and Technology (1 from 77 patents)
8 patents:
1. 4709079 - Polyprenyl compounds, process for the production thereof and medicines
2. 4576963 - Polyprenyl compounds, process for the production thereof and medicines
3. 4468458 - Two-functional-group-containing terpenoids, processes for the
4. 4455316 - Polyprenyl esters of acemethacins and anti-inflammatory method of use
5. 4454330 - Two-functional-group-containing terpenoids, processes for the
6. 4435423 - Anti-ulcer composition comprising terpenoid containing two functional
7. 4386227 - Two-functional-group-containing terpenoids
8. 4338251 - Two-functional-group-containing terpenoids, processes for the