Average Co-Inventor Count = 5.00
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. Sharp Kabushiki Kaisha Corporation (3 from 25,537 patents)
3 patents:
1. 4913416 - Automatic document transportation device
2. 4853750 - Document holder for a copier and hinge mechanism therefor
3. 4844445 - Automatic document transportation device