Average Co-Inventor Count = 2.25
ph-index = 6
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 (6 from 1,645 patents)
6 patents:
1. 6643995 - Process and apparatus for manufacturing packages
2. 6644501 - Sheet package
3. 6543643 - Sheet package
4. 6319593 - Disposable cleaning sheet
5. 6273610 - Package formed of soft sheet
6. 6109430 - Product housing stacked body of wet tissues