Average Co-Inventor Count = 4.20
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. Daiichi Pharmaceutical Co., Ltd. (2 from 200 patents)
2 patents:
1. 5849757 - Pyridonecarboxylic acid derivatives substituted by a bicyclic amino
2. 5654318 - Bicyclic amine derivatives