Inventor · disambiguated record
Eiji Uekawa
Also filed as: UEKAWA EIJI
31 granted patents·2 pending applications·401 citations·filing 2002–2023
96Inventor score
Top patents by PatentIndex Score
33 records- 0197US7518089B2Image heating apparatus including flexible metallic sleeve, and heater used for this apparatusCANON KK·Filed 2005·Granted Apr 14, 2009·29 cites·14 claims
- 0297US7251447B2Image heating apparatus and conveying roller for use thereinCANON KK·Filed 2005·Granted Jul 31, 2007·38 cites·15 claims
- 0396US9002249B2Image heating apparatus regulating a shift movement of an endless belt the inner face of which contacts a nip portion forming unit forming a nip portion with a roller contacting an outer face of the beltCANON KK·Filed 2013·Granted Apr 7, 2015·15 cites·12 claims
- 0495US7215899B2Image forming apparatus having temperature sensing element for sensing temperature of recording materialCANON KK·Filed 2005·Granted May 8, 2007·31 cites·16 claims
- 0595US7203438B2Image heating apparatus and heater for use thereinCANON KK·Filed 2005·Granted Apr 10, 2007·55 cites·14 claims
- 0694US6763205B2Image heating apparatus with heater in form of a plate cooperable with a rotatable member to form a heating nipCANON KK·Filed 2002·Granted Jul 13, 2004·50 cites·22 claims
- 0793US6671488B2Image heating apparatusCANON KK·Filed 2002·Granted Dec 30, 2003·43 cites·32 claims
- 0892US6748192B2Image heating apparatus having metallic rotary member contacting with heaterCANON KK·Filed 2002·Granted Jun 8, 2004·38 cites·15 claims
- 0988US9477191B2Fixing device with back-up member and nip forming member including a projecting portion projecting toward the back-up memberCANON KK·Filed 2016·Granted Oct 25, 2016·3 cites·8 claims
- 1088US9280108B2Fixing deviceCANON KK·Filed 2015·Granted Mar 8, 2016·3 cites·8 claims
- 1188US8606164B2Rotatable image heating member and image heating deviceUEKAWA EIJI·Filed 2011·Granted Dec 10, 2013·7 cites·14 claims
- 1288US6794611B2Image heating apparatus having rotary metal member in contact with heater, such rotary member and producing method thereforCANON KK·Filed 2002·Granted Sep 21, 2004·28 cites·22 claims
- 1386US9851669B2Fixing deviceCANON KK·Filed 2016·Granted Dec 26, 2017·3 cites·13 claims
- 1481US10162303B2Fixing apparatusCANON KK·Filed 2016·Granted Dec 25, 2018·2 cites·11 claims
- 1581US6787737B2Heater having imide-based slide layer and image heating apparatus using the heaterCANON KK·Filed 2002·Granted Sep 7, 2004·24 cites·38 claims
- 1677US6961532B2Image heating apparatusCANON KK·Filed 2003·Granted Nov 1, 2005·15 cites·8 claims
- 1776US10571844B2Image forming apparatus that controls a degree of temperature rise of a rotatable member of a fixing portionCANON KK·Filed 2018·Granted Feb 25, 2020·1 cites·18 claims
- 1876US6895207B2Image heating apparatus having flexible metallic sleeve and reinforcing member disposed in an interior of said sleeveCANON KK·Filed 2003·Granted May 17, 2005·14 cites·7 claims
- 1974US9442443B2Roller having core with an elastic layer including tapered portion and fixing apparatus with such rollerCANON KK·Filed 2015·Granted Sep 13, 2016·1 cites·14 claims
- 2069US11982957B2Image forming apparatus that adds a predetermined image to a region with a variable width that is equal to or less than a width of a heat generating regionCANON KK·Filed 2022·Granted May 14, 2024·0 cites·18 claims
- 2169US11709444B2Image heating apparatus, image forming apparatus, and heaterCANON KK·Filed 2022·Granted Jul 25, 2023·0 cites·3 claims
- 2269US8879974B2Image heating device with a belt lateral shifting direction regulating mechanismCANON KK·Filed 2012·Granted Nov 4, 2014·1 cites·6 claims
- 2367US12007709B2Image heating apparatus and image forming apparatusCANON KK·Filed 2023·Granted Jun 11, 2024·0 cites·10 claims
- 2466US11249426B2Image heating apparatus, image forming apparatus, and heaterCANON KK·Filed 2021·Granted Feb 15, 2022·0 cites·13 claims
- 2565US11256199B2Image forming apparatus having a fixing portion in which a heat generating region can be changed in a longitudinal directon of a heaterCANON KK·Filed 2020·Granted Feb 22, 2022·0 cites·27 claims
- 2652US10310433B2Image forming apparatus that controls a temperature of at least one of a rotating member based on a wearing amount of the rotating member and a pressing member based on a hardness change amount of the pressing memberCANON KK·Filed 2018·Granted Jun 4, 2019·0 cites·24 claims
- 2748US10684580B2Image forming apparatus having an image reader for measuring the width of a nip of the image forming apparatusCANON KK·Filed 2019·Granted Jun 16, 2020·0 cites·11 claims
- 2846US11422493B2Image heating device, image forming apparatus, and heaterCANON KK·Filed 2021·Granted Aug 23, 2022·0 cites·11 claims
- 2946US9501007B2Image forming apparatusCANON KK·Filed 2016·Granted Nov 22, 2016·0 cites·6 claims
- 3044US9037020B2Image forming apparatusUEKAWA EIJI·Filed 2011·Granted May 19, 2015·0 cites·6 claims
- 3143US8509663B2Image forming apparatus or transfer roller used in image forming apparatusASAMI JUN·Filed 2010·Granted Aug 13, 2013·0 cites·20 claims
- 3237US2011177450A1Toner image fixing methodCANON KK·Filed 2011·Application pending·0 cites
- 3333US2012231390A1Method of fixing toner imageUEKAWA EIJI·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Eiji Uekawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →