Average Co-Inventor Count = 1.95
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 28,584 patents)
8 patents:
1. D1013774 - Printer
2. D972008 - Printer
3. D956137 - Image forming unit for printer
4. D955470 - Image forming unit for printer
5. D916959 - Ink cartridge
6. D915508 - Ink cartridge
7. D895003 - Printer
8. D723100 - Printer