Average Co-Inventor Count = 4.44
ph-index = 1
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 patents:
1. 6048854 - 2,3-diaminopropionic acid derivative
2. 5607948 - Dipiperidine derivatives