Average Co-Inventor Count = 4.00
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. Ishigaki Company Limited (1 from 29 patents)
1 patent:
1. 10252192 - Filter medium, filtering device using filter medium, and filter medium manufacturing method