Average Co-Inventor Count = 8.00
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. Taiho Pharmaceutical Company Limited (2 from 319 patents)
2 patents:
1. 4866069 - Substance 4181-2 and its derivatives having anti-leukemia activity
2. 4814449 - Substance 4181-2