Average Co-Inventor Count = 3.27
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. Nipro Corporation (3 from 374 patents)
3 patents:
1. D567125 - Stress meter
2. D475461 - Filter for medical purpose
3. 6491669 - Protector for liquid drug administration needle