Inventor

IKUMA KEN

JP173 patents

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

IKUMA KEN

SEIKO EPSON CORP

Light scanning apparatus and method to prevent damage to an oscillation mirror in an abnormal control condition via a detection signal outputted to a controller even though the source still emits light

Method of manufacturing bonded magnets of rare earth metal, and bonded magnet of rare earth metal

Rare-earth bonded magnet composition, rare-earth bonded magnet and process for producing said rare-earth bonded magnet

Rare earth bonded magnet and composition therefor

Method for producing rare earth bond magnet, composition for rare earth bond magnet, and rare earth bond magnet

Paper recycling device and paper recycling method

Light scanning apparatus, image forming apparatus equipped with such light scanning apparatus, and control method or image forming method for such image forming apparatus

Line head and image forming apparatus

Line head and an image forming apparatus using such a line head

Image forming apparatus and method for controlling tone characteristics based on tone-control patch image

Method of manufacturing liquid developer, liquid developer, and image forming apparatus

Liquid developer and image forming apparatus

Image forming apparatus and method of cleaning intermediate transfer belt

Apparatus for forming latent image using line head and control method for such apparatus

Line head and image forming apparatus using the same

Optical writing device and method of manufacturing the same

Fusing unit that stabilizes a contact nip region

Image forming apparatus

Image forming method and apparatus

Image forming apparatus

Fixing device for fixing an unfixed toner image formed on a sheet-shaped recording medium

Image forming method, liquid developing device, and image forming apparatus

Method and apparatus for producing resin particles using granulation-prevention agent, and resin particles produced by the method

Rare earth bonded magnet, rare earth magnetic composition, and method for manufacturing rare earth bonded magnet

Image processing system and method, printing system

Exposure head

Exposure head controller, exposure head and image formation device

Light scanning apparatus, method of controlling the same and image forming apparatus equipped with the same

Developing system that distributes carrier to developer containers in a manner to achieve stable image formation

Apparatus for and method of forming image using oscillation mirror

Image forming apparatus and control method of that apparatus

Light scanning apparatus and method to prevent damage to an oscillation mirror, reducing its amplitude, in an abnormal control condition via a detection signal outputted to a controller even though the source still emits light

Apparatus for and method of forming image using oscillation mirror

Exposure head

Exposure head controller, exposure head and image formation device

Apparatus and method for adjusting write start position of a scanning light beam of an image forming apparatus

Apparatus for forming image using liquid development

Liquid development device, image forming apparatus, and image forming system

Application roller and image forming apparatus

Image forming apparatus with rotary unit that can accommodate a plurality of development cartridges

Scanner having scan angle multiplier

Optical scanning apparatus and image forming apparatus

Methods of verifying requirement for replacement of a main unit and of a component of image formation apparatus and judging advisability of recommendation for replacement

Composition for rare earth bonded magnet use, rare earth bonded magnet and method for manufacturing rare earth bonded magnet

Paper recycling device and paper recycling method

Image forming apparatus where image write-to-transfer time is set integer times of a rotation period of idler pulley

YAMAGAMI TOSHIAKI

Paper recycling system and paper recycling method

NOMURA YUJIRO

Line head and an image forming apparatus using such a line head

MIZUSHIMA NOBUYUKI

Image forming apparatus and method of controlling image forming apparatus

CHIBA SATOSHI

Transfer device and image forming apparatus provided with the transfer device