Inventor

KOYAMA SHIGEO

JP28 patents

⚠️ This page may combine multiple inventors who share the name “KOYAMA SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOYAMA SHIGEO

MITA INDUSTRIAL CO LTD

Image-forming machine

Image-forming machine with improved process and optional unit assemblies

Drum unit exchange time indicating device for image forming apparatus

Copying paper conveying device in electrostatic copying apparatus

Image-forming machine with improved developer agitating means, developer regulating blade means, cleaning device, and toner recovery system

Ink jet printing apparatus

Image-forming machine

Copying apparatus provided with a cassette-type paper feeding mechanism

Image-forming machine

Variable magnification electrostatic copying apparatus

Paper supply system of copying machine

Electrostatic photographic copying machine provided with a movable sorter

Shell-type electrostatic copying apparatus

Toner replenishing device for an electrostatic copying apparatus

Copying apparatus equipped with an original-support device, and an original-holding mechanism therefor

Photosensitive drum for electrostatic copying apparatus

Developing device for use on an electrostatic copying apparatus

Cleaning device for use on an electrostatic copying apparatus

Apparatus for developing latent electrostatic image

Image forming apparatus

Electrostatic copying apparatus

Copying apparatus equipped with an original-support device, and an original-holding mechanism therefor

Process unit for copying machine

AMADA CO LTD

Bending press system

Bending machine and a die changing system for such bending machine

Bending machine and a die changing system for such bending machine

Bending press system

GENKI CO LTD

Storage medium for storing an application program for a car racing game