Average Co-Inventor Count = 4.86
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 3,601 patents)
3 patents:
1. 6955667 - Absorbent article
2. 6293935 - Absorbent article with liquid shrinkable elements
3. 6159190 - Absorbent article