Average Co-Inventor Count = 2.09
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. (8 from 28,566 patents)
8 patents:
1. 8905529 - Inkjet recording device
2. 8851643 - Inkjet image forming apparatus
3. 8422040 - Image forming system and method, management apparatus, and recording medium
4. 8405852 - Image forming system using a management apparatus to manage software components
5. 5878319 - Image scanner having a single contact glass and contact-type image
6. 5734483 - Image scanner having contact-type image sensor
7. 5610731 - Image scanner having contact-type image sensor movable under automatic
8. 5126799 - Image recording apparatus having a toner supply tank and a toner