P

Inventor

FUKUMOTO TAKATOMO

JP37 patents
⚠️ This page may combine multiple inventors who share the name “FUKUMOTO TAKATOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

22 patents
US7885554B2Feb 8, 2011

Developing device, image forming apparatus, image forming system, cartridge, developing unit and photoconductor unit

SEIKO EPSON CORP46 citations92
US6686112B2Feb 3, 2004

Electrophotographing dry-type toner and production method therefor

SEIKO EPSON CORP15 citations84
US7555252B2Jun 30, 2009

Image forming apparatus that prevents conspicuous unevenness in image density

SEIKO EPSON CORP8 citations83
US7907879B2Mar 15, 2011

Development roller, development device, image forming apparatus, and method of manufacturing development roller

SEIKO EPSON CORP4 citations63
US7609990B2Oct 27, 2009

Image forming apparatus that prevents toner from being jetted when cleaner blade or sealing member is separated from image carrier

SEIKO EPSON CORP5 citations63
US7536126B2May 19, 2009

Apparatus for forming image-quality evaluation image

SEIKO EPSON CORP2 citations63
US7065310B2Jun 20, 2006

Image forming apparatus that quickly removes ozone present in the vicinity of a corona charger

SEIKO EPSON CORP3 citations63
US6806011B2Oct 19, 2004

Dry toner for electrophotography, and its production process

SEIKO EPSON CORP3 citations63
US7965965B2Jun 21, 2011

Development device and image forming apparatus

SEIKO EPSON CORP2 citations62
US7787003B2Aug 31, 2010

Image forming apparatus

SEIKO EPSON CORP4 citations62
US7783234B2Aug 24, 2010

Developer cartridge, image forming apparatus, and shutter device

SEIKO EPSON CORP6 citations62
US7609993B2Oct 27, 2009

Image forming apparatus that prevents developer from spilling

SEIKO EPSON CORP3 citations59
US8032064B2Oct 4, 2011

Developer apparatus, image forming apparatus and developing method

SEIKO EPSON CORP0 citations52
US8027624B2Sep 27, 2011

Developer apparatus, an image forming apparatus and an image forming method

SEIKO EPSON CORP1 citations52
US8023868B2Sep 20, 2011

Development roller, development device, and image forming apparatus

SEIKO EPSON CORP0 citations52
US8010024B2Aug 30, 2011

Developer apparatus with restriction member removing toner from convex sections of toner carrier roller

SEIKO EPSON CORP0 citations42
US7991329B2Aug 2, 2011

Developer apparatus, image forming apparatus and developing method

SEIKO EPSON CORP0 citations42
US7974549B2Jul 5, 2011

Developing device and image forming apparatus

SEIKO EPSON CORP0 citations42
US7945194B2May 17, 2011

Image forming apparatus and image forming system reducing electrical discharge

SEIKO EPSON CORP0 citations42
US7899376B2Mar 1, 2011

Developing device, image forming apparatus, and image forming system

SEIKO EPSON CORP0 citations42
US7899375B2Mar 1, 2011

Developing apparatus, image forming apparatus, image forming system and image forming method

SEIKO EPSON CORP0 citations42
US7639977B2Dec 29, 2009

Image forming apparatus that performs charge elimination after secondary transfer to prevent winding of recording medium on intermediate transfer member

SEIKO EPSON CORP0 citations41

YAMADA YOICHI

5 patents

MITA INDUSTRIAL CO LTD

4 patents

KOBASHI MASARU

3 patents

KYOCERA MITA CORP

1 patent

MAEDA MASAHIRO

1 patent

YAMAZAKI SOICHI

1 patent