Average Co-Inventor Count = 3.00
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. Mitsui Chemicals, Inc. (2 from 1,788 patents)
2 patents:
1. 6646093 - Water-soluble polyurethane having comb-shaped hydrophobic group and application thereof
2. 6515050 - Comb-shaped diol, water-soluble polyurethane, and application thereof