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 Factory, Inc. (2 from 188 patents)
2. Otsuka Pharmaceutical Company, Limited (1 from 846 patents)
2 patents:
1. 5688949 - Pyrazolo�1,5-A!pyrimidine derivatives and anti-inflammatory agent
2. 5192817 - Phenanthrene derivatives