Average Co-Inventor Count = 3.56
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. Ricoh Company, Ltd. (3 from 28,584 patents)
3 patents:
1. 8157093 - Packing unit
2. 7813669 - Image forming apparatus
3. 7511238 - Switch actuation device, interlock mechanism, and image forming apparatus