Kazumasa Makino

Development unit and toner cartridge for use in an image formation apparatus

Developing device, image forming apparatus, and toner fillable cartridge that includes an agitator having a first medium and a second medium

Sheet feeder capable of eliminating overlapping sheet feed

Developing cartridge, photosensitive member cartridge, process unit, and image forming apparatus

Developing device for image forming apparatus and toner cartridge for use in the developing device

Toner fillable cartridge having protrusions engageable with a development case shutter

Development unit for use in an image formation apparatus

Blow-moled toner fillable cartridge and a method for forming same

Image forming device regulating sheet conveying timings

Paper sheet discharge apparatus