Average Co-Inventor Count = 19.80
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 (1 from 677 patents)
2. Eisai R&d Management Co., Ltd. (1 from 528 patents)
2 patents:
1. 7612092 - Nitrogen-containing aromatic derivatives
2. 7253286 - Nitrogen-containing aromatic derivatives