Average Co-Inventor Count = 2.77
ph-index = 1
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)
3 patents:
1. 11325798 - Feeding device and sheet processing device with the same
2. 11052630 - Sheet processor and sheet processing apparatus
3. 10272583 - Slitter, sheet cutting device, and sheet processing apparatus