P

Inventor

NAKAHARA HISASHI

JP35 patents
⚠️ This page may combine multiple inventors who share the name “NAKAHARA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

23 patents
US6175699B1Jan 16, 2001

Image fixing device with heater control

CANON KK63 citations96
US7203438B2Apr 10, 2007

Image heating apparatus and heater for use therein

CANON KK55 citations92
US10168633B2Jan 1, 2019

Image forming apparatus having image color gamut enlargement mode

CANON KK7 citations84
US9494899B2Nov 15, 2016

Fixing device and heater used in fixing device

CANON KK10 citations84
US9342010B2May 17, 2016

Image heating apparatus

CANON KK12 citations84
US9098035B2Aug 4, 2015

Fixing device and heater used in fixing device

CANON KK14 citations84
US6526251B1Feb 25, 2003

Image forming apparatus having transferring roller of small diameter

CANON KK16 citations83
US7020407B2Mar 28, 2006

Transferring apparatus with two or more voltage output modes

CANON KK7 citations74
US10274878B2Apr 30, 2019

Image forming apparatus with fixing device having fan and movable shutter

CANON KK2 citations73
US10101695B2Oct 16, 2018

Image heating apparatus having a temperature detecting element mounted in a supporting member to contact a heat-conductive member

CANON KK2 citations73
US10018951B2Jul 10, 2018

Image forming apparatus with controllable velocity ratio between image and developer bearing members

CANON KK6 citations73
US9429889B2Aug 30, 2016

Image heating apparatus

CANON KK3 citations73
US10331064B2Jun 25, 2019

Image forming apparatus

CANON KK2 citations72
US9715200B2Jul 25, 2017

Image heating apparatus

CANON KK1 citations63
US7515841B2Apr 7, 2009

Image forming apparatus for preventing defective fixing of a toner image

CANON KK5 citations63
US7031641B2Apr 18, 2006

Image-forming apparatus having pre-charge exposure device for image carrier

CANON KK5 citations63
US12379682B2Aug 5, 2025

Grease composition for heat fixing devices and heat fixing apparatus

CANON KK0 citations62
US6424814B2Jul 23, 2002

Image forming apparatus using shaped toner particles and transfer roller pressure for fine image quality

CANON KK2 citations62
US7953359B2May 31, 2011

Apparatus for heating an image formed on a recording material

CANON KK1 citations52
US9904225B2Feb 27, 2018

Image forming apparatus

CANON KK0 citations51
US9261834B2Feb 16, 2016

Fixing device having cylindrical rotatable member with electroconductive layer, magnetic member in a hollow portion of the member, and coil wound outside magnetic member

CANON KK1 citations51
US9772586B2Sep 26, 2017

Image heating device for positioning a high thermal conductive member

CANON KK0 citations42
US9436140B2Sep 6, 2016

Fixing device controlling frequency of AC current caused to flow through helical coil causing electroconductive layer of rotatable member to generate heat through electromagnetic induction

CANON KK0 citations41

MITSUBISHI HITACHI POWER SYS LTD

5 patents

NAKAHARA HISASHI

3 patents

UCHIYAMA KOJI

2 patents

MITSUBISHI HITACHI POWER SYS

1 patent

MITSUBISHI HEAVY IND LTD

1 patent