Burns, Doane, Swecker & Mathis
Electrostatic latent image developing device
 An electrostatic latent image developing device including a developing sleeve which is so provided as to confront a support member for supporting an electrostatic latent image, a toner reservoir for accommodating toner, which is formed, at its one portion, with an opening and a rotatable toner supply roller which is provided in the opening so as to confront the developing sleeve. The toner supply roller is formed, on its outer peripheral surface, with a plurality of first minute recesses and is further formed, in the first minute recesses, with a plurality of second minute recesses finer the first minute recesses. 
Minolta Camera Kabushiki Kaisha
G G G
G03G G03G G03G
inventional inventional inventional
Hiroshi Akihito Hiroshi Kouichi
Murasaki Ikegawa Mizuno Etou