Average Co-Inventor Count = 10.91
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. Kowa Company Limited (2 from 591 patents)
2 patents:
1. 6403586 - Pyridazine derivatives and drugs containing the same as the active ingredient
2. 6348468 - Pyridazine compounds and compositions containing the same