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 patentsUS7885554B2Feb 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 patentsUS8081911B2Dec 20, 2011
Development roller, development device, and image forming apparatus
YAMADA YOICHI1 citations52
US8401443B2Mar 19, 2013
Toner-particle bearing roller, developing device, and image forming apparatus
YAMADA YOICHI0 citations51
US8170454B2May 1, 2012
Image forming apparatus and image forming method
YAMADA YOICHI0 citations42
US8086152B2Dec 27, 2011
Developing device, image forming apparatus, image forming system, developing method, and toner bearing member
YAMADA YOICHI0 citations42
US8081910B2Dec 20, 2011
Image forming apparatus and image forming method
YAMADA YOICHI0 citations41
MITA INDUSTRIAL CO LTD
4 patentsUS5272034ADec 21, 1993
Process for producing electrophotographic toner
MITA INDUSTRIAL CO LTD28 citations92
US5258253ANov 2, 1993
Magnetic carrier for electronic reproduction coated with a nitrogen containing silicone resin
MITA INDUSTRIAL CO LTD7 citations72
US5310617AMay 10, 1994
Magnetic brush developing process and developer
MITA INDUSTRIAL CO LTD2 citations59
US5168027ADec 1, 1992
Carrier of developer, process for preparation thereof, and developing method using same
MITA INDUSTRIAL CO LTD6 citations59
KOBASHI MASARU
3 patentsUS8295723B2Oct 23, 2012
Image forming apparatus and image forming method with improved protective agent properties
KOBASHI MASARU2 citations61
US8175497B2May 8, 2012
Image forming apparatus applying protective agent
KOBASHI MASARU2 citations61
US8526855B2Sep 3, 2013
Image forming apparatus and image forming method
KOBASHI MASARU0 citations40