Average Co-Inventor Count = 2.40
ph-index = 2
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 28,566 patents)
2 patents:
1. 7919221 - Electrophotographic printing toner, electrophotographic printing method and liquid developer for electrophotographic printing
2. 7670742 - Recording material, toner, liquid developer and image forming method using the same