Average Co-Inventor Count = 4.80
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 28,584 patents)
2 patents:
1. 5102766 - Toner for developing latent electrostatic images
2. 5085965 - Negative toner for developing latent electrostatic images