Naruhito Yoshida

Image forming apparatus with a humidity detector

Image forming apparatus using an electrode matrix to form a latent image

Optical deflector device for deflecting laser beam

Developing apparatus having one-component developing agent

Developing apparatus including means for collecting used developing agent

Developing device using developing roller having specific structure

Image forming apparatus having a disordering device for disordering a developing agent remaining on an image bearing member

Optical unit for use in laser beam printer or the like with temperature expansion compensation

Optische Einheit für einen Laserdrucker. Optical unit for a laser printer.

A developing apparatus for electrophotographic image