Inventor
ABE NOBUMASA
JP61 patents
⚠️ This page may combine multiple inventors who share the name “ABE NOBUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
48 patentsUS6708011B2Mar 16, 2004
System for forming color images
SEIKO EPSON CORP331 citations99
US4914562AApr 3, 1990
Thermal jet recording apparatus
SEIKO EPSON CORP368 citations98
US5367324ANov 22, 1994
Ink jet recording apparatus for ejecting droplets of ink through promotion of capillary action
SEIKO EPSON CORP166 citations97
US4727380AFeb 23, 1988
Photosensitive printing apparatus
SEIKO EPSON CORP52 citations94
US7058345B2Jun 6, 2006
Transfer belt unit and image forming apparatus using the same
SEIKO EPSON CORP19 citations93
US7020415B2Mar 28, 2006
Image forming apparatus with transfer belt
SEIKO EPSON CORP33 citations93
US6907209B2Jun 14, 2005
Tandem-type image forming apparatus with a transfer belt
SEIKO EPSON CORP27 citations93
US6865361B2Mar 8, 2005
Transfer belt unit and image forming apparatus using the same
SEIKO EPSON CORP28 citations93
US6799011B2Sep 28, 2004
Tandem-type color image forming apparatus
SEIKO EPSON CORP44 citations93
US6618065B2Sep 9, 2003
Image forming apparatus having a plurality of writing electrodes
SEIKO EPSON CORP24 citations93
US6515692B2Feb 4, 2003
Image forming apparatus having writing electrodes as a writing device
SEIKO EPSON CORP21 citations93
US5381171AJan 10, 1995
Ink-jet recording head
SEIKO EPSON CORP44 citations93
US6907215B2Jun 14, 2005
Developing device and image forming apparatus incorporating the same
SEIKO EPSON CORP26 citations92
US6185380B1Feb 6, 2001
Image forming apparatus having independent recording media discharge passages
SEIKO EPSON CORP29 citations92
US6078760AJun 20, 2000
Image forming apparatus having an inverse and re-fixing sub-mode
SEIKO EPSON CORP20 citations92
US5148185ASep 15, 1992
Ink jet recording apparatus for ejecting droplets of ink through promotion of capillary action
SEIKO EPSON CORP22 citations92
US9428859B2Aug 30, 2016
Sheet manufacturing apparatus and defibrating unit
SEIKO EPSON CORP9 citations84
US9422664B2Aug 23, 2016
Sheet manufacturing apparatus and defibration unit
SEIKO EPSON CORP8 citations84
US7031642B2Apr 18, 2006
Driving system for color image forming apparatus
SEIKO EPSON CORP12 citations84
US6829454B2Dec 7, 2004
Image forming apparatus with improved transfer efficiency
SEIKO EPSON CORP16 citations84
US6819899B2Nov 16, 2004
Image forming apparatus employing work function relationships
SEIKO EPSON CORP14 citations84
US6661442B2Dec 9, 2003
Image forming apparatus having writing electrodes for forming an electrostatic latent image
SEIKO EPSON CORP14 citations84
US6518990B2Feb 11, 2003
Image forming apparatus for forming an electrostatic latent image on a latent image carrier
SEIKO EPSON CORP18 citations84
US4945381AJul 31, 1990
Image forming apparatus
SEIKO EPSON CORP21 citations80
US4838657AJun 13, 1989
Liquid crystal shutter
SEIKO EPSON CORP23 citations80
US5650807AJul 22, 1997
Ink jet recording apparatus and method of manufacture
SEIKO EPSON CORP16 citations79
US7218883B2May 15, 2007
Image forming apparatus
SEIKO EPSON CORP8 citations74
US7187893B2Mar 6, 2007
Image transfer unit having an intermediate transfer belt to which a toner image is applied
SEIKO EPSON CORP7 citations74
US7167666B2Jan 23, 2007
Liquid development device, image forming apparatus, and image forming system
SEIKO EPSON CORP7 citations74
US6731899B2May 4, 2004
Intermediate transfer unit
SEIKO EPSON CORP10 citations74
US6650349B2Nov 18, 2003
Image forming apparatus having writing electrodes as a writing device
SEIKO EPSON CORP11 citations74
US6473107B2Oct 29, 2002
Image forming apparatus
SEIKO EPSON CORP13 citations74
US6408158B1Jun 18, 2002
Intermediate transfer unit
SEIKO EPSON CORP11 citations74
US6223015B1Apr 24, 2001
Recording medium carrier system intermediate transfer unit
SEIKO EPSON CORP12 citations74
US6173139B1Jan 9, 2001
Recording medium carrier system having a paper feed unit, a transfer unit, a fixing unit and a paper ejecting unit constructed as independent units
SEIKO EPSON CORP10 citations74
US5430522AJul 4, 1995
Image forming apparatus with enhanced transport of its photosensitive recording member
SEIKO EPSON CORP9 citations74
US11319668B2May 3, 2022
Sheet manufacturing apparatus
SEIKO EPSON CORP2 citations73
US10563351B2Feb 18, 2020
Sheet manufacturing apparatus and material defibrating apparatus
SEIKO EPSON CORP2 citations73
US9643339B2May 9, 2017
Sheet manufacturing apparatus and defibration unit
SEIKO EPSON CORP2 citations73
US7027758B2Apr 11, 2006
Image forming apparatus employing work function relationships
SEIKO EPSON CORP6 citations73
US5937244AAug 10, 1999
Image forming apparatus having a flexible cylindrical thin image carrier
SEIKO EPSON CORP8 citations73
US5068684ANov 26, 1991
Image forming device
SEIKO EPSON CORP13 citations72
US4866593ASep 12, 1989
Photosensitive printing apparatus
SEIKO EPSON CORP8 citations72
US10961657B2Mar 30, 2021
Defibrating device and sheet manufacturing apparatus
SEIKO EPSON CORP0 citations63
US9869057B2Jan 16, 2018
Defibration unit
SEIKO EPSON CORP1 citations63
US7444093B2Oct 28, 2008
Liquid toner concentration detecting device and method with window in toner container for light passage
SEIKO EPSON CORP4 citations63
US6957032B2Oct 18, 2005
Intermediate transfer unit having a primary transfer member and a secondary transfer roller
SEIKO EPSON CORP2 citations63
US6856782B2Feb 15, 2005
Intermediate transfer unit having a primary and a secondary transfer member
SEIKO EPSON CORP6 citations63
MICROVISION INC
1 patent(unassigned)
1 patentShowing the top 50 of 61 patents by PatentIndex Score.