Average Co-Inventor Count = 2.40
ph-index = 2
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. Unicharm Corporation (3 from 1,645 patents)
3 patents:
1. 9561138 - Absorbent article
2. 8998872 - Absorbent article
3. 8968263 - Absorbent article