Average Co-Inventor Count = 5.00
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. Ricoh Company, Ltd. (1 from 28,584 patents)
1 patent:
1. 9665046 - Belt driving roller including electroviscous force developing member, and belt driving device using same