Average Co-Inventor Count = 2.42
ph-index = 17
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. (33 from 28,544 patents)
2. Ricon Company, Ltd. (1 from 2 patents)
34 patents:
1. 9111008 - Document information management system
2. 8826151 - Information processing apparatus and computer-readable medium for virtualizing an image processing apparatus
3. 8554786 - Document information management system
4. 7512874 - Document information management system
5. 7363580 - Intermediate address table for converting position information to an address of a link structure correlated information file on a hypertext document
6. 7016058 - Network control method and system
7. 6910184 - Document information management system
8. 6658408 - Document information management system
9. 6537324 - Generating and storing a link correlation table in hypertext documents at the time of storage
10. 6381593 - Document information management system
11. 6356923 - Document information management system
12. 6198542 - Network control method and system
13. 6035308 - System and method of managing document data with linking data recorded
14. 6014668 - Document information management system and method of generating a
15. 5798844 - Duplicator having function concerning specific mark put on recording