Average Co-Inventor Count = 10.00
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 (3 from 677 patents)
3 patents:
1. 6020505 - Process for the preparation of .alpha.-tocopherol
2. 5886197 - Process for the preparation of .alpha.-tocopherol
3. 5663376 - Process for the preparation of .alpha.-tocopherol