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. Kaken Chemical Co., Ltd. (1 from 20 patents)
2. Kakenyaku Kako Kabushiki Kaisha (1 from 1 patent)
2 patents:
1. 5000953 - Biologically active substance
2. 4234570 - Proteinic active substances