Inventor

ISHIZUKA YUSUKE

JP22 patents

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

ISHIZUKA YUSUKE

ISHIZUKA YUSUKE

Cleaning device for cleaning a discharge wire, charger, and image forming apparatus

Image forming apparatus

Developer conveyance device and image forming apparatus incorporating same

Toner conveyance device and image forming apparatus

Image forming apparatus

MAEHATA YASUHIRO

Image forming apparatus

Image forming apparatus which controls the rotation speed of a lubricant supply roller

RICOH CO LTD

Waste-toner conveyance device and image forming apparatus

Developing device with a developer regulator and a stopper

GOTO YUTAKA

Biasing force adjusting device, transfer device, and image forming apparatus

Image forming apparatus

FUJIKOKI CORP

Electric valve control device, electric valve device, and method for controlling electric valve

Electric valve control device and electric valve device

ASAOKA AKIRA

Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating same

KIMURA HIDEKI

Image forming apparatus and coating-film adjusting method

SHINTANI TAKESHI

Process cartridge and image forming apparatus

AOKI YUUKI

Transfer bias and pressure in an image forming apparatus

HONJOH KENJI

Lubricant supplying device, process cartridge and image forming apparatus

UENISHI HIROYUKI

Charger positioning adjuster and image forming apparatus incorporating same

SHIMADA KAZUHIRO

Powder conveying device and image forming apparatus incorporating same

KOJIMA TAKESHI

Image forming apparatus including first and second bias voltage supply devices

TOMITA DAISUKE

Device including roller, and image forming apparatus and process cartridge incorporating same