Average Co-Inventor Count = 6.87
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. Nippon Kayaku Kabushiki Kaisha (2 from 775 patents)
2. Other (1 from 832,718 patents)
3. Japan Science and Technology Corporation (1 from 373 patents)
2 patents:
1. 7700709 - Polymeric derivative of cytidine metabolic antagonist
2. 6080396 - Anthracycline compound derivative and pharmaceutical preparation