Average Co-Inventor Count = 5.46
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. Nippon Kayaku Kabushiki Kaisha (2 from 778 patents)
2 patents:
1. 5342445 - Hydraulic compositions and high-strength composite materials
2. 4844321 - Method for explosive cladding