Average Co-Inventor Count = 1.88
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. (2 from 28,546 patents)
2 patents:
1. 8998371 - Image forming apparatus
2. 5579126 - Facsimile apparatus serving as LAN server on local area network