Average Co-Inventor Count = 5.00
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. (1 from 28,577 patents)
1 patent:
1. 7539599 - Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system