Average Co-Inventor Count = 3.32
ph-index = 12
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. (18 from 28,544 patents)
2. Ricoh Corporation (4 from 233 patents)
3. Other (1 from 832,680 patents)
19 patents:
1. 9111008 - Document information management system
2. 8554786 - Document information management system
3. 7624045 - System and method for transmitting information regarding supplies and suppliers for image forming equipment
4. 7599864 - System and method for transmitting information regarding supplies and suppliers for image forming equipment
5. 7512874 - Document information management system
6. 7363580 - Intermediate address table for converting position information to an address of a link structure correlated information file on a hypertext document
7. 7321867 - System and method for transmitting information regarding supplies and suppliers for image forming equipment
8. 7227655 - Utilizing otherwise unused space on cover or partition sheets
9. 6910184 - Document information management system
10. 6658408 - Document information management system
11. 6537324 - Generating and storing a link correlation table in hypertext documents at the time of storage
12. 6529788 - Recycling system and recycling method
13. 6381593 - Document information management system
14. 6356923 - Document information management system
15. 6317570 - Field service system for image forming devices