Average Co-Inventor Count = 4.80
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 28,584 patents)
2 patents:
1. 12346062 - Toner, toner storage unit, image forming apparatus and method of forming image
2. 11687013 - Toner for electrostatic charge image development, toner stored unit, image forming apparatus, and image forming method