Average Co-Inventor Count = 4.00
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. Ricoh Company, Ltd. (4 from 28,544 patents)
4 patents:
1. 6260843 - Sheet-receiving device having sorting feature
2. D358412 - Electronic copying machine
3. D350767 - Electrostatic copying machine
4. D324064 - Copying machine