Average Co-Inventor Count = 2.90
ph-index = 3
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 3,600 patents)
3 patents:
1. 5980924 - Skin cleansing sheet
2. 5767059 - Cleanser composition comprising an alkali metal salt of a secondary
3. 4885109 - Quick-drying pack-type face-cleansing composition