Average Co-Inventor Count = 9.00
ph-index = 3
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)
3 patents:
1. 5774232 - Image recording apparatus
2. 5717843 - Image recording apparatus
3. 5602651 - Image recording apparatus