Average Co-Inventor Count = 3.27
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. 6706030 - Absorbent article
2. 5449353 - Disposable diaper
3. 5415649 - Disposable diapers