Average Co-Inventor Count = 3.43
ph-index = 1
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. Kyowa Hakko Kogyo Co., Ltd. (2 from 730 patents)
2 patents:
1. 6197955 - Production of staurosporine derivative using acid isomerization
2. 6004801 - Method of purifying K-252a