Average Co-Inventor Count = 2.40
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. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)
2. University of Tsukuba (1 from 177 patents)
2 patents:
1. 9815787 - Sulfonamide derivative or pharmaceutically acceptable acid addition salt thereof
2. 4952365 - Process for molding of a foamed article