P

Inventor

OMATA HARUHIKO

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

CANON KK

31 patents
US6640077B2Oct 28, 2003

Image forming apparatus

CANON KK45 citations93
US6631249B2Oct 7, 2003

Image forming apparatus capable of preventing the overflow of toner on a clean blade

CANON KK23 citations92
US6529693B2Mar 4, 2003

Image forming system for controlling the amount of toner deposited on a photosensitive drum based on environmental conditions

CANON KK23 citations92
US6442356B2Aug 27, 2002

Image forming apparatus

CANON KK23 citations92
US10990051B2Apr 27, 2021

Image forming apparatus outputting plural test toner images for use in adjusting transfer voltage

CANON KK9 citations85
US7542707B2Jun 2, 2009

Image forming apparatus

CANON KK14 citations84
US7486900B2Feb 3, 2009

Image forming apparatus capable of removing toner from a toner removing member

CANON KK13 citations84
US7013105B2Mar 14, 2006

Image forming apparatus with control adjusting bias output based on recording material surface roughness

CANON KK16 citations84
US6668149B2Dec 23, 2003

Image forming apparatus

CANON KK16 citations84
US7340190B2Mar 4, 2008

Image forming apparatus

CANON KK8 citations74
US6834167B2Dec 21, 2004

Image forming apparatus that forms a toner image

CANON KK9 citations74
US6385426B1May 7, 2002

Image forming apparatus having contact area between recording material bearing member and transfer means that is less than contact area between image bearing member and recording material

CANON KK11 citations74
US6128460AOct 3, 2000

Image forming system for conveying recording material

CANON KK7 citations74
US11195068B2Dec 7, 2021

Image forming apparatus

CANON KK3 citations73
US10585376B2Mar 10, 2020

Image forming apparatus using test chart for adjusting transfer voltage

CANON KK4 citations73
US9766574B2Sep 19, 2017

Image forming apparatus

CANON KK2 citations73
US9658577B2May 23, 2017

Image forming apparatus having transfer belt rollers of specific shapes

CANON KK2 citations73
US7720423B2May 18, 2010

Image heating apparatus including a cooler and a siloxane-modified polyimide belt therefor

CANON KK3 citations63
US7720419B2May 18, 2010

Glossy image forming system and copy surface smoothing apparatus

CANON KK2 citations63
US7383011B2Jun 3, 2008

Image forming apparatus featuring a pre-smoothening mode performed prior to formation of a toner image

CANON KK4 citations63
US11509782B2Nov 22, 2022

Image forming apparatus

CANON KK0 citations62
US11308369B2Apr 19, 2022

Image forming apparatus with mode for setting transfer voltage

CANON KK1 citations62
US11277529B2Mar 15, 2022

Image forming apparatus

CANON KK1 citations62
US11249422B2Feb 15, 2022

Image forming apparatus

CANON KK1 citations62
US12386292B2Aug 12, 2025

Image forming apparatus provided with heater including heat generating members with different lengths

CANON KK0 citations52
US9239551B2Jan 19, 2016

Image forming apparatus

CANON KK0 citations52
US7324765B2Jan 29, 2008

Image forming apparatus

CANON KK0 citations52
US9927741B2Mar 27, 2018

Image forming apparatus

CANON KK1 citations50
US9760041B2Sep 12, 2017

Image forming apparatus

CANON KK1 citations50
US9417563B2Aug 16, 2016

Image forming apparatus

CANON KK0 citations41
US9389544B2Jul 12, 2016

Image forming apparatus

CANON KK0 citations41

OMATA HARUHIKO

5 patents

TOYOHARA YUICHIRO

1 patent