Average Co-Inventor Count = 3.75
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. Takemoto Yushi Kabushiki Kaisha (2 from 124 patents)
2 patents:
1. 5919881 - Agents for and method of reducing the fluidity drop of hydraulic cement
2. 5362829 - Cement dispersion agents