Average Co-Inventor Count = 3.00
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. Arakawa Chemical Industries, Ltd. (1 from 63 patents)
1 patent:
1. 6034183 - Polymer having quaternary ammonium groups and process for the production