Average Co-Inventor Count = 3.33
ph-index = 2
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. Duplo Seiko Corporation (3 from 46 patents)
2. Dupo Seiko Corporation (1 from 1 patent)
4 patents:
1. 10442653 - Sheet processing apparatus
2. 10406708 - Paper sheet processing apparatus
3. 10273109 - Processing apparatus and stacker device
4. 8916028 - Processing machine and paper sheet processing device