Average Co-Inventor Count = 4.09
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. (6 from 28,577 patents)
6 patents:
1. 7404615 - Maintenance and recovery device of a liquid discharge apparatus and an image forming apparatus
2. 5484143 - Sheet sorting and storing apparatus
3. 5330170 - Finisher for an image forming apparatus which rotates about a stapling
4. 5186446 - Recycling automatic document feeder
5. 5096177 - Recycling automatic document feeder for feeding documents of various
6. 4872659 - Cassette with turn cover and feed roller control