Average Co-Inventor Count = 5.36
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. 7048726 - Absorbent article
2. 6551297 - Absorbent article
3. 6326525 - Absorbent article with free edge portions