Average Co-Inventor Count = 3.43
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 (2 from 3,602 patents)
2 patents:
1. 7427407 - Cosmetics
2. 5183601 - Detergent composition containing polyethylenimine co-polymer