Average Co-Inventor Count = 3.43
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 (2 from 1,645 patents)
2 patents:
1. 7703602 - Easy-open encasement
2. 7475781 - Easy-open package