Average Co-Inventor Count = 5.00
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. Ebara Corporation (2 from 2,512 patents)
2 patents:
1. 12510081 - Pump casing and pump
2. D1053220 - Impeller for pumps