Average Co-Inventor Count = 5.22
ph-index = 4
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 (4 from 3,600 patents)
4 patents:
1. 7569264 - Topsheet for absorbent article
2. 7534928 - Topsheet for absorbent article
3. 7473817 - Absorbent article
4. 6888046 - Topsheet for absorbent article