Inventor

MIYAWAKI KATSUAKI

JP59 patents

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

MIYAWAKI KATSUAKI

RICOH KK

Belt device and unit device including belt device and image forming apparatus using the belt device and unit device

Wet process image forming apparatus and carrier vapor collecting device therefor

Abnormality determining method, abnormality determining apparatus, and image forming apparatus

Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same

Belt device and unit device including belt device and image forming apparatus using the belt device and unit device

Image forming apparatus using wet type developing device

Image forming apparatus having a mounting/dismounting mechanism

Abnormal state occurrence predicting method, state deciding apparatus, and image forming system

Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method

Abnormality determining method, abnormality determining apparatus, and image forming apparatus

Detecting device for an image forming apparatus

Image forming apparatus including a transfer belt having image forming units disposed thereabout

Tandem image forming device having a side-by-side arrangement of image forming sections

Belt device and unit device including belt device and image forming apparatus using the belt device and unit device

Belt device and unit device including belt device and image forming apparatus using the belt device and unit device

Belt device and unit device including belt device and image forming apparatus using the belt device and unit device

Tandem image forming device, image forming apparatus and method for using the same

Recording apparatus using a thermosensitive recording medium

Thermal image forming equipment forms image directly on image carrier or paper sheet

Image forming apparatus capable of smooth transmission of recording medium

Process, toner, process cartridge and apparatus for developing a toner image

Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method

Device for driving rotary body with mechanism for dampening fluctuation in rotation velocity

Corona charger having two charging regions

Image forming apparatus

Image transfer device for image forming apparatus

Method for arranging image forming sections

Transfer-fixing unit and image forming apparatus for enhanced image quality

Image forming apparatus equipping improved transfer fixing apparatus

Electrophotographic image forming apparatus having residual toner collection

Reversible image recording method using reversible thermosensitive recording material

Apparatus for erasing and recording data in a thermosensitive recording medium

Resistive sheet thermal transfer printer

Air-conditioned electrophotographic image forming apparatus

Filling-rate lowering and rolling rate adjusting image forming apparatus

MATSUDA HIROMICHI

Drive transmission unit and image forming apparatus including same

Rotary drive device with a planetary gear mechanism to drive a rotary body, and image forming apparatus including the same

Sheet conveying device and image forming apparatus incorporating the sheet conveying device

Sheet conveying device and image forming apparatus incorporating the sheet conveying device

Sheet conveying device and image forming apparatus incorporating the sheet conveying device

Rotating-body driving device and image forming apparatus

YAMANE JUN

Sheet conveying device and image forming apparatus incorporating the sheet conveying device

Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device

Sheet conveying device and image forming apparatus incorporating the sheet conveying device

Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device

Sheet conveying device and image forming apparatus incorporating the sheet conveying device

RICOH CO LTD

Abnormality determining apparatus, image forming apparatus including the abnormality determining apparatus, and abnormality determining method

WATANABE TAKESHI

Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device

IWATA NOBUO

Decelerator, drive device including same, and image forming apparatus incorporating the drive device

YAMAZAKI KIMIHARU

Power transmission device and image forming apparatus including the same