Average Co-Inventor Count = 10.47
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. Kyowa Hakko Kogyo Co., Ltd. (2 from 730 patents)
2 patents:
1. 5138059 - DC-89 compounds and process for their preparation
2. 4923990 - Pyrindamycins A and B and duocarmycin A antibiotics derived from certain