Average Co-Inventor Count = 1.09
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. Duskin Franchise Co. Ltd. (6 from 15 patents)
6 patents:
1. 4075375 - Cleaning material and process for preparation thereof
2. 4015305 - Mop holder
3. 4010511 - Mop having sleeve type detachable mop head
4. 4010508 - Mop suited for dusting curved surfaces
5. 3986225 - Mop holder
6. 3971093 - Mop having a washing resistance