Inventor
HAGIWARA TOMOE
JP6 patents
Patents
6 patentsUS5519316AMay 21, 1996
Method and apparatus for measuring a toner concentration of a two-component developer
RICOH KK26 citations92
US5474869ADec 12, 1995
Toner and method of developing
RICOH KK43 citations92
US5244765ASep 14, 1993
Toner for developing latent electrostatic images
RICOH KK36 citations92
US5164774ANov 17, 1992
Developing device of the type forming thin layer of toner on toner conveying member, and dry color toner of one component type used therein
RICOH KK37 citations92
US5482807AJan 9, 1996
Positively-chargeable toner
RICOH KK14 citations73
US5370959ADec 6, 1994
Image formation method
RICOH KK14 citations73