Average Co-Inventor Count = 3.16
ph-index = 5
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. (4 from 28,584 patents)
2. Ricoh Corporation (4 from 233 patents)
3. Other (1 from 832,912 patents)
5 patents:
1. 7624045 - System and method for transmitting information regarding supplies and suppliers for image forming equipment
2. 7599864 - System and method for transmitting information regarding supplies and suppliers for image forming equipment
3. 7321867 - System and method for transmitting information regarding supplies and suppliers for image forming equipment
4. 7227655 - Utilizing otherwise unused space on cover or partition sheets
5. 6317570 - Field service system for image forming devices