Average Co-Inventor Count = 7.00
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 28,544 patents)
1 patent:
1. 7898709 - Optical scan apparatus, image formation apparatus, optical deflector manufacturing method, polygon mirror processing method, and polygon mirror processing apparatus