Average Co-Inventor Count = 7.00
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. Nitto-Denko Corporation (1 from 3,872 patents)
1 patent:
1. 8519559 - Spiral type membrane element, and spiral type membrane filtering device having the same