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. Sanyo Chemical Industries, Ltd. (2 from 353 patents)
2 patents:
1. 9109078 - Polymer polyol, method for producing the same, and method for producing polyurethane resin
2. 8772405 - Polymer polyol, method for producing the same, and method for producing polyurethane resin