Average Co-Inventor Count = 3.65
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 Kabushiki Kaisha (5 from 15 patents)
2. Duskin Franchise Kabushiki Kaisha (duskin Franchise Co., Ltd.) (2 from 2 patents)
7 patents:
1. 4479280 - Mat base plate
2. D272877 - Door mat base plate or similar article
3. 4415620 - Mat base plate
4. D267535 - Doormat support plate or similar article
5. D265705 - Door mat base plate or similar article
6. D265704 - Door mat base plate or similar article
7. D263541 - Door mat base plate or similar article