Average Co-Inventor Count = 3.27
ph-index = 2
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. (3 from 28,566 patents)
3 patents:
1. 9455970 - Information processing system, information processing apparatus, and authentication method
2. 9294484 - System, service providing device, and service providing method
3. 9288213 - System and service providing apparatus