Inventor · disambiguated record
Masafumi Maeda
Also filed as: MAEDA MASAFUMI
41 granted patents·2 pending applications·437 citations·filing 1992–2024
97Inventor score
Files withCANON KK28SCREEN HOLDINGS CO LTD5DAINIPPON SCREEN MFG2MAEDA MASAFUMI2IIS MATERIALS CORP LTD1
Top patents by PatentIndex Score
43 records- 0199US11373889B2Substrate treating apparatusSCREEN HOLDINGS CO LTD·Filed 2020·Granted Jun 28, 2022·5 cites·15 claims
- 0298US7366455B2Image fixing apparatus with heater and heater holder contacting the heaterCANON KK·Filed 2005·Granted Apr 29, 2008·44 cites·6 claims
- 0398US7283145B2Image heating apparatus and heater thereforCANON KK·Filed 2005·Granted Oct 16, 2007·65 cites·13 claims
- 0496US10170349B2Substrate treating apparatusSCREEN HOLDINGS CO LTD·Filed 2016·Granted Jan 1, 2019·13 cites·20 claims
- 0596US9229388B2Fixing deviceCANON KK·Filed 2013·Granted Jan 5, 2016·16 cites·14 claims
- 0696US5454424AMethod of and apparatus for casting crystalline silicon ingot by electron bean meltingMORI NOBUYUKI·Filed 1992·Granted Oct 3, 1995·55 cites·5 claims
- 0795US9507303B2Fixing deviceCANON KK·Filed 2015·Granted Nov 29, 2016·10 cites·23 claims
- 0895US7469120B2Image heating apparatusCANON KK·Filed 2006·Granted Dec 23, 2008·21 cites·5 claims
- 0994US9983522B2Fixing deviceCANON KK·Filed 2016·Granted May 29, 2018·6 cites·8 claims
- 1093US10879091B2Substrate treating apparatusSCREEN HOLDINGS CO LTD·Filed 2018·Granted Dec 29, 2020·5 cites·18 claims
- 1193US9235172B2Image fixing apparatusCANON KK·Filed 2014·Granted Jan 12, 2016·8 cites·10 claims
- 1293US7549811B2Substrate treating apparatusDAINIPPON SCREEN MFG·Filed 2007·Granted Jun 23, 2009·18 cites·1 claims
- 1393US6922534B2Process cartridge and electrophotographic image forming apparatus having electrical connection for memoryCANON KK·Filed 2002·Granted Jul 26, 2005·67 cites·23 claims
- 1492US9519252B2Fixing deviceCANON KK·Filed 2015·Granted Dec 13, 2016·6 cites·6 claims
- 1590US9703242B2Fixing apparatusCANON KK·Filed 2016·Granted Jul 11, 2017·3 cites·20 claims
- 1689US9335726B2Image forming apparatus having a transfer unit frameCANON KK·Filed 2015·Granted May 10, 2016·3 cites·14 claims
- 1788US11953853B2Image forming apparatusCANON KK·Filed 2022·Granted Apr 9, 2024·1 cites·26 claims
- 1888US9195212B2Color electrophotographic image forming apparatus having movable main body electrical contactsCANON KK·Filed 2013·Granted Nov 24, 2015·4 cites·5 claims
- 1986US9454118B2Fixing apparatusCANON KK·Filed 2014·Granted Sep 27, 2016·3 cites·8 claims
- 2085US9141038B2Image forming apparatusCANON KK·Filed 2013·Granted Sep 22, 2015·3 cites·25 claims
- 2184US5356454AMold powder for continuous castingKAWASAKI STEEL CO·Filed 1993·Granted Oct 18, 1994·22 cites·2 claims
- 2283US7323060B2Substrate treating apparatusDAINIPPON SCREEN MFG·Filed 2004·Granted Jan 29, 2008·24 cites·10 claims
- 2382US9671745B2Image forming apparatusCANON KK·Filed 2015·Granted Jun 6, 2017·2 cites·10 claims
- 2482US8103189B2Image forming apparatus having removable beltMAEDA MASAFUMI·Filed 2009·Granted Jan 24, 2012·7 cites·15 claims
- 2580US8669495B2Heater having heat generating resistor on substrate and image heating apparatus mounting heater thereonMAKIHIRA TOMOYUKI·Filed 2007·Granted Mar 11, 2014·6 cites·11 claims
- 2678US8843012B2Color electrophotographic image forming apparatus with cartridge supporting member and moving members supporting electric contactsMAEDA MASAFUMI·Filed 2009·Granted Sep 23, 2014·5 cites·7 claims
- 2776US2024361717A1Heater, heating device, and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2875US2022277971A1Substrate treating apparatusSCREEN HOLDINGS CO LTD·Filed 2022·Application pending·0 cites
- 2971US12061429B2Heater, heating device, and image forming apparatusCANON KK·Filed 2022·Granted Aug 13, 2024·0 cites·20 claims
- 3070US9075353B2Image forming apparatus having endless belt contact memberCANON KK·Filed 2013·Granted Jul 7, 2015·1 cites·21 claims
- 3165US12411441B2Temperature detection apparatus having a base member that moves in a thickness direction of a heater, fixing apparatus, and image forming apparatusCANON KK·Filed 2023·Granted Sep 9, 2025·0 cites·22 claims
- 3265US9259963B2Method for coating aluminum wheel, and aluminum wheelUEMURA JUNYA·Filed 2012·Granted Feb 16, 2016·1 cites·4 claims
- 3365US7815882B2Method and apparatus for refining boron-containing silicon using an electron beamIIS MATERIALS CORP LTD·Filed 2005·Granted Oct 19, 2010·1 cites·11 claims
- 3452US12353149B2Temperature detection device, fixing apparatus, and image forming apparatusCANON KK·Filed 2023·Granted Jul 8, 2025·0 cites·33 claims
- 3551US10416599B2Fixing device having a supporting portion that includes first and second opposing surfaces that oppose an inner surface of a film and engaging surfaces that engage with a frameCANON KK·Filed 2018·Granted Sep 17, 2019·0 cites·8 claims
- 3651US9042800B2Fixing deviceCANON KK·Filed 2013·Granted May 26, 2015·0 cites·14 claims
- 3747US7257340B2Image forming apparatus featuring a controller for switching a first transfer bias to a second smaller transfer bias while the print material is passing through a transfer nip portionCANON KK·Filed 2006·Granted Aug 14, 2007·0 cites·7 claims
- 3845US10642200B2Fixing device with tiltable spacer between heater and safetyCANON KK·Filed 2017·Granted May 5, 2020·0 cites·3 claims
- 3944US11036169B2Fixing deviceCANON KK·Filed 2020·Granted Jun 15, 2021·0 cites·10 claims
- 4042US11049749B2Substrate treating apparatusSCREEN HOLDINGS CO LTD·Filed 2019·Granted Jun 29, 2021·0 cites·18 claims
- 4139US10338503B2Fixing device including rotary member to suppress vaporized component escapeCANON KK·Filed 2016·Granted Jul 2, 2019·0 cites·20 claims
- 4238US7058322B2Transfer bias control method for image forming apparatus using electrophotographic processCANON KK·Filed 2004·Granted Jun 6, 2006·0 cites·18 claims
- 4338US5890443AVolume-reducing treatment method for wasteSHINSEI CO LTD·Filed 1995·Granted Apr 6, 1999·12 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →