Average Co-Inventor Count = 8.57
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. Sanwa Kagaku Kenkyusho Co., Ltd. (2 from 108 patents)
2 patents:
1. 5376637 - Pharmaceutical preparation containing vasoactive intestinal polypeptide
2. 5356880 - Glycyrrhetinic acid derivatives