Average Co-Inventor Count = 3.00
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. Nagase Co., Ltd. (2 from 68 patents)
2 patents:
1. 6638523 - Method of treating ulcers
2. 6391344 - Method of promoting synthesis of nerve growth factor