Average Co-Inventor Count = 4.91
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. Chugai Seiyaku Kabushiki Kaisha (3 from 950 patents)
3 patents:
1. 9163051 - Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives
2. 9133174 - Method for producing coumarin derivative
3. 8569520 - Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives