Average Co-Inventor Count = 4.55
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 (5 from 1,645 patents)
5 patents:
1. 8438690 - Cleaning tool and cleaning element holder
2. 8156603 - Cleaning tool
3. 7966688 - Cleaning tool and cleaning element
4. 7930794 - Cleaning tool
5. D608965 - Handle for a cleaning device