Average Co-Inventor Count = 2.40
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. Du Pont-mitsui Polychemicals Co., Ltd. (2 from 43 patents)
2 patents:
1. 4968752 - Ionomer composition
2. 4677163 - Vinyl chloride resin composition and process for production thereof