Average Co-Inventor Count = 4.61
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 (3 from 174 patents)
3 patents:
1. 6495587 - Tricyclic indole-2-carboxylic acid compound used as NMDA receptor antagonist
2. 6048854 - 2,3-diaminopropionic acid derivative
3. 5707994 - 2,3-diaminopropionic acid derivative