Average Co-Inventor Count = 3.16
ph-index = 1
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. 11051993 - Tampon applicator
2. 9918882 - Tampon applicator and sanitary tampon
3. 8834438 - Sanitary tampon