Average Co-Inventor Count = 4.00
ph-index = 2
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. Tohoku Ricoh Co., Ltd. (2 from 234 patents)
2 patents:
1. 7651090 - Paper conveyance apparatus
2. 7308853 - Bulk paper feeding device with intermediate conveyor for image forming device