Average Co-Inventor Count = 1.86
ph-index = 9
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. Canon Kabushiki Kaisha (12 from 90,594 patents)
2. Ricoh Company, Ltd. (6 from 28,544 patents)
18 patents:
1. D344750 - Paper feeding device for printer
2. D343637 - Printer for electronic computer
3. D339156 - Printer for electronic computer
4. D332112 - Printer for electronic computer
5. D331775 - Printing head for printer
6. D330385 - Paper feeder for printer
7. D329871 - Printing head for printer
8. D323344 - Printer for electronic computer
9. D322274 - Laser beam printer
10. D321001 - Laser beam printer
11. D303544 - Pressure plate for copying machine
12. D300328 - Electrophotographic copier
13. D286889 - Electrophotographic copying machine
14. D283512 - Electrostatic copying machine
15. D280629 - Electrostatic copying machine