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. Nitto-denko Corporation (2 from 3,871 patents)
2 patents:
1. 5000987 - Membrane containing a liquid active substance and process for the
2. 4923607 - Membrane containing a liquid active substance and process for the