Average Co-Inventor Count = 3.32
ph-index = 4
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. (5 from 28,544 patents)
5 patents:
1. 5100119 - Paper handling apparatus
2. 5064181 - Paper handling apparatus
3. 5054766 - Paper positioning device
4. 5031890 - Paper handling apparatus
5. 4693590 - Electronic copier with automatic document feeder and sorter