Average Co-Inventor Count = 2.82
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. Unicharm Corporation (4 from 1,645 patents)
4 patents:
1. 8133212 - Disposable diaper
2. 7396350 - Disposable diaper
3. 7316675 - Disposable pants-type wearing article
4. 7226438 - Disposable wearing article