Average Co-Inventor Count = 4.71
ph-index = 1
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. 5102895 - Novel vitamin E derivatives and process for the production thereof
2. 4415559 - Anticoagulant