Average Co-Inventor Count = 3.75
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. Kao Corporation (1 from 3,602 patents)
2. Kao Soap Company, Ltd. (1 from 341 patents)
2 patents:
1. 7442480 - Positively chargeable toner
2. 4171970 - Method of reducing the length, moderating the tillers, advancing the