Inventor

YOSHIKAWA TAKAHIRO

JP60 patents

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

YOSHIKAWA TAKAHIRO

RICOH KK

Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit

Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit

Image forming apparatus having an improved web type cleaning device for a fixing roller

Heated fixing roller with selectively heatable portions

Tandem color image forming apparatus with an image transfer belt and backup roller

Fixing apparatus and image forming apparatus for fixing a toner image on a recording medium

Image forming apparatus with variable speed transferring and fixing devices

Image forming apparatus

Jam detector for an image fixing apparatus

Image forming apparatus capable of switching a sheet interval mode during an image forming cycle

Image forming apparatus, fixing device, and image forming method

Belt type fixing device including a contact and a non-contact temperature sensor and a reflection type sheet sensor

Fixing apparatus and image forming apparatus

Fixing device, fixing method, image forming apparatus, image forming method

Fixing device to reduce warm-up time and apparatus using same

YOSHIKAWA TAKAHIRO

Lighting device, display device, and television receiver

Lighting device, display device and television receiver

Fixing device and image forming apparatus incorporating same

Lighting device, display device and television receiver

Lighting device for use with display apparatus and display apparatus

Lighting device, display device and television receiver

Fixing device and image forming apparatus in which a height difference is circumferentially provided to a pressing member

Fixing device and image forming apparatus incorporating same

Backlight unit and display device

Fluorescent tube, illuminating apparatus for display device, and display device

Image forming apparatus including pre-heating unit

Method of converting ethylbenzene and process for producing p-xylene

NITTO DENKO CORP

Optical sheet for light guide plate type liquid crystal display, backlight unit for light guide plate type liquid crystal display, and light guide plate type liquid crystal display

Desktop illumination device

Backlight unit and image display device

Optical member, and backlight unit and image display device using said optical member

Illumination device

Lighting device

Optical laminate with double-sided adhesive layer, and optical device

SAKAI DISPLAY PRODUCTS CORP

Light source unit and display apparatus

Display apparatus

Connector, connector mounting board, illumination device, and display device

Light source device and display apparatus

KAO CORP

Water-based ink

Water-based ink

Method for producing resin particle dispersion, and method for producing toner for electrostatic charge image development use

Toners for electrophotography

RICOH CO LTD

Image fixing apparatus and an image formation apparatus including a magnetic flux adjuster

Fixing device using induction heating and image forming apparatus using the fixing device

Fixing device and image forming apparatus incorporating same

SHARP KK

Display device with touch panel

Diffusion sheet, diffusion unit, illuminating unit, and display device

GLORY KOGYO KK

Device for detecting properties of sheets of paper of the like

YAMAMOTO SHUKI

Lighting device, display device and television receiver

FUJITSU LTD

Color printer having apparatus for shifting ink ribbon