Average Co-Inventor Count = 2.00
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. Nifco Inc. (2 from 1,193 patents)
2 patents:
1. 9181968 - Grommet
2. D686487 - Grommet