Inventor

HATTORI YOSHIO

JP71 patents

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

HATTORI YOSHIO

RICOH KK

Toner container and image forming apparatus using the same

Toner supply unit and image forming apparatus

Image forming apparatus and toner container therefor

Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor

Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner

Image formation device and agent supplying device including absorber conveying by negative pressure

Image forming apparatus with improved capabilities for toner supply

Container, its support structure, and image formation apparatus

Toner supply unit and image forming apparatus

Toner container and image forming apparatus using the same

Toner container and image forming apparatus using the same

Toner container, toner replenishing device, developing device, process cartridge and image forming apparatus

Charging device having a first and second pressure with a cleaning member, and process cartridge and image forming apparatus including the charging device

Toner container and image forming apparatus using the same

Toner container and image forming apparatus using the same

Toner supply unit and image forming apparatus

Toner container and image forming apparatus using the same

Toner container and image forming apparatus using the same

Toner container and image forming apparatus using the same

Toner supply unit and image forming apparatus

Toner conveying device and image forming apparatus including the toner conveying device

Developer bearing member, developing device, process cartridge and image forming apparatus

Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner

Developing device, and image forming apparatus and process cartridge comprising the same

Image forming apparatus having a developer conveying system and associated methodology

Toner supply unit and image forming apparatus

Method and apparatus for image forming capable of effectively transporting toner

Toner agitating device and toner conveying device for an image forming apparatus

Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge

Toner supply unit and image forming apparatus

NILES PARTS CO LTD

Lever switch apparatus

Mounting construction of a combination switch

Fitting structure of rotary connector and switch

Canceling mechanism for a vehicular turn signal switch

Combination switch apparatus equipped with rotary connector

Rear window washer wiper operating switch

Turn signal switching device

SEIKO INSTR INC

Semiconductor device with thin film resistor

Semiconductor variable capacitance element

Circuit oscillator

RICOH CO LTD

Development device, process cartridge, and image forming apparatus

Image forming apparatus and image forming method

OKAMOTO JUN

Fixing device and image forming apparatus including fixing device with lubricant movement restrictors

Pressure and pressure relief device, fixing device, and image forming apparatus

KOETSUKA KYOHTA

Developing unit, image forming apparatus incorporating same, and process cartridge including same

SEIKO INSTR & ELECTRONICS

Semiconductor variable capacitance element

ARAI YUJI

Fixing device and image forming apparatus

YAMAGUCHI YOSHIKI

Fixing device and image forming apparatus

TOYO ELECTRIC CO LTD

Driving circuit for brushless D.C. motor

IMADA TAKAHIRO

Fixing device including a cleaner to clean a surface of a cleaning target and image forming apparatus incorporating same