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. Koken Company, Limited (2 from 54 patents)
2 patents:
1. 5164139 - Method for drying wetted molded product
2. 4849141 - Method for producing sustained release formulation