Average Co-Inventor Count = 6.00
ph-index = 3
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. Sumitomo Pharmaceuticals Company Limited (2 from 174 patents)
2. Sumitomo Manufacturing Company Limited (1 from 1 patent)
3 patents:
1. 6936736 - Amide derivative
2. 6384033 - Amide derivative
3. 6194461 - Nitrone derivatives