Average Co-Inventor Count = 6.00
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. Sumitomo Pharmaceuticals Company Limited (2 from 174 patents)
2 patents:
1. 6452008 - Pyridone derivatives and process for preparing the same
2. 6300500 - Preparation of pyridone derivatives using phthalimido containing starting material