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. Hitachi Chemical Company, Ltd. (2 from 1,641 patents)
2 patents:
1. 4973624 - Coating resin composition
2. 4295947 - Photo-curable coating compositions for building materials