Average Co-Inventor Count = 7.20
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. Otsuka Pharmaceutical Company, Limited (2 from 846 patents)
2 patents:
1. 6511995 - Pyridine derivative and pharmaceutical containing the same
2. 6197774 - Pyrimidine derivative