Average Co-Inventor Count = 11.82
ph-index = 1
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 28,546 patents)
2. Otsuka Corporation (1 from 2 patents)
3. Osk Co., Ltd. (1 from 1 patent)
3 patents:
1. 8498912 - Charge managing system, image forming apparatus, charge managing server, and image forming method
2. 8156020 - Charge managing system, image forming apparatus, charge managing server, and image forming method
3. 8004703 - Image data obtaining system, digital compound machine and system management server