Inventor

ARAI YUJI

JP206 patents

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

ARAI YUJI

RICOH KK

Developer container, developer supplying device, and image forming apparatus

Developer container, developer supplying device, and image forming apparatus

Image forming apparatus and image forming unit

Developer container, developer supplying device, and image forming apparatus

Developer container, developer supplying device, and image forming apparatus

Waste toner collecting device, and image forming apparatus including the waste toner collecting device

Method and apparatus of image forming and process cartridge included in the apparatus

Powder conveying device and image forming apparatus using the same

Image forming apparatus, process cartridge, and waste toner recovery device

Image forming apparatus using a toner container and a process cartridge

Image forming apparatus and process cartridge removably mounted thereto

Image forming apparatus, process cartridge, and waste toner recovery device

Image forming apparatus and image forming unit

Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder

Recovered toner classifier capable of effectively removing foreign substance and crushing aggregation of toner

Powder classifying device and image forming apparatus having the powder classifying device

Method and apparatus for image forming and effectively applying lubricant to an image bearing member

Cleaning device, process cartridge, image forming apparatus and toner

Image forming apparatus, process cartridge, and waste toner recovery device

Cleaning unit, process cartridge, image forming apparatus, and toner

Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself

Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself

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

TAIYO YUDEN KK

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical disk

Method for fabricating an optical information medium

Optical information medium

Optical information recording method and medium

Optical information recording medium having a protective film which can be stripped

Method of manufacturing an optical information recorded disc

Optical information recording medium having protective layer

RICOH CO LTD

Developer container, developer supplying device, and image forming apparatus

Developer container, developer supplying device, and image forming apparatus

Charging device, process cartridge, image forming apparatus, and toner

Lubricant applicator and image forming apparatus including same

SONY CORP

Optical information medium and method for printing on the surface of the medium

Optical information medium and method for printing on the surface of the medium

ARAI YUJI

Seamless steel pipe and method for manufacturing the same

Fixing device and image forming apparatus

NEC CORP

Method of treating waste water to remove harmful ion by coagulating sedimentation

Method of treating waste water to remove harmful ion by coagulating sedimentation

HOSOKAWA HIROSHI

Developer container, developer supplying device, and image forming apparatus

NANAO CORP

Apparatus for selectively operating a plurality of computers

TAIYU YUDEN CO LTD

Optical information medium and method for fabricating the same

HITACHI LTD

Single in-line high power resin-packaged semiconductor device having an improved heat dissipator

IKEBUCHI YUTAKA

Image forming apparatus and image forming method

YAMAGUCHI YOSHIKI

Belt assembly, fixing device, and image forming apparatus incorporating same

NAGASHIMA HIROYUKI

Waste toner storage unit and image forming apparatus using same