Average Co-Inventor Count = 2.25
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. Kao Corporation (3 from 3,601 patents)
3 patents:
1. D936923 - Cleaning sheet for skin
2. D919915 - Cleaning sheet for skin
3. D897493 - Fluid emitting device