Average Co-Inventor Count = 4.29
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. Duskin Franchise Kabushiki Kaisha (2 from 15 patents)
2. Duskin Franchise Co. Ltd. (1 from 15 patents)
3 patents:
1. 4423532 - Duster
2. 4373224 - Method for manufacturing a duster and the duster manufactured therefrom
3. 4267220 - Dust-controlling mat having good flame-proofness