Average Co-Inventor Count = 3.60
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 28,544 patents)
3 patents:
1. 8149424 - Image processing device and information processing device
2. 7523073 - Charging method and charging apparatus
3. 7286782 - Charge method, charge apparatus, and charge program for charging usage fee including print fee and format fee of an image forming apparatus