Average Co-Inventor Count = 4.80
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. Taiheiyo Cement Corporation (2 from 90 patents)
2 patents:
1. 7722717 - Hydraulic composition
2. 6997984 - Cement admixture