Inventor · disambiguated record
Masato Tanabe
Also filed as: TANABE MASATO
89 granted patents·12 pending applications·592 citations·filing 1977–2025
99Inventor score
Files withCANON KK60PANASONIC IP CORP AMERICA17PANASONIC IP MAN CO LTD11TANABE MASATO3TOKAI RUBBER IND LTD2
Top patents by PatentIndex Score
101 records- 0199US11067942B2Drum unit, cartridge, electrophotographic image forming apparatus and coupling memberCANON KK·Filed 2020·Granted Jul 20, 2021·9 cites·28 claims
- 0299US7953340B2Process cartridge having electrical contact and image forming apparatus having electrical contact in urging memberCANON KK·Filed 2010·Granted May 31, 2011·44 cites·6 claims
- 0399US7894733B2Process cartridge and image forming apparatusCANON KK·Filed 2010·Granted Feb 22, 2011·42 cites·12 claims
- 0499US7813671B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Oct 12, 2010·63 cites·14 claims
- 0599US7715746B2Process cartridge having electrical contact and image forming apparatus having electrical contact in urging memberCANON KK·Filed 2007·Granted May 11, 2010·63 cites·11 claims
- 0698US11073787B2Process cartridge with a coupling member having a movable force receiving portionCANON KK·Filed 2020·Granted Jul 27, 2021·5 cites·28 claims
- 0798US10671013B2Drum unit, cartridge, electrophotographic image forming apparatus and coupling memberCANON KK·Filed 2019·Granted Jun 2, 2020·16 cites·96 claims
- 0897US10156825B2Developing apparatus with independently rotatable members supporting a developing frame body, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Dec 18, 2018·9 cites·30 claims
- 0997US8301054B2Process cartridge and image forming apparatusTANABE MASATO·Filed 2011·Granted Oct 30, 2012·48 cites·11 claims
- 1096US11409227B2Drum unit, cartridge, electrophotographic image forming apparatus and coupling memberCANON KK·Filed 2021·Granted Aug 9, 2022·3 cites·47 claims
- 1196US10095180B2Developing cartridge which is movable toward and away from image bearing memberCANON KK·Filed 2017·Granted Oct 9, 2018·17 cites·11 claims
- 1296US10025266B2Process cartridge including a coupling member and a sheet that contacts the coupling memberCANON KK·Filed 2016·Granted Jul 17, 2018·9 cites·2 claims
- 1396US9880517B2Process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Jan 30, 2018·14 cites·4 claims
- 1496US9632479B2Process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Apr 25, 2017·10 cites·5 claims
- 1595US11016440B2Cartridge reproduction method and cartridgeCANON KK·Filed 2020·Granted May 25, 2021·4 cites·20 claims
- 1694US11372348B2Developing device, cartridge, image forming apparatusCANON KK·Filed 2020·Granted Jun 28, 2022·4 cites·40 claims
- 1794US10067461B2Developing cartridge with a restricted portion that contacts a restricting portion of an image forming apparatusCANON KK·Filed 2017·Granted Sep 4, 2018·5 cites·20 claims
- 1893US11442379B2Toner cartridge for an image forming apparatus including a pump to discharge toner by putting air into the toner discharge chamberCANON KK·Filed 2021·Granted Sep 13, 2022·2 cites·18 claims
- 1991US10712707B2Process cartridge having a positioning portion capable of positioning a driving force receiving portion of a coupling memberCANON KK·Filed 2018·Granted Jul 14, 2020·2 cites·21 claims
- 2091US10613469B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Apr 7, 2020·2 cites·34 claims
- 2191US9331854B2Message authentication method in communication system and communication systemTOYOTA MOTOR CO LTD·Filed 2012·Granted May 3, 2016·20 cites·14 claims
- 2290US10698361B2Process cartridge having a coupling member and a coupling member supporting portionCANON KK·Filed 2018·Granted Jun 30, 2020·2 cites·40 claims
- 2389US10928769B2Developing cartridge and image forming apparatusCANON KK·Filed 2018·Granted Feb 23, 2021·2 cites·14 claims
- 2489US10931634B2Security apparatus, attack detection method, and storage mediumPANASONIC IP CORP AMERICA·Filed 2018·Granted Feb 23, 2021·5 cites·14 claims
- 2588US10992688B2Unauthorized activity detection method, monitoring electronic control unit, and onboard network systemPANASONIC IP CORP AMERICA·Filed 2018·Granted Apr 27, 2021·6 cites·18 claims
- 2688US8985571B2Sheet feeding apparatus and image forming apparatusUEDA SHINICHI·Filed 2011·Granted Mar 24, 2015·8 cites·18 claims
- 2785US11539727B2Abnormality detection apparatus and abnormality detection methodPANASONIC IP CORP AMERICA·Filed 2019·Granted Dec 27, 2022·5 cites·11 claims
- 2884US10025268B2Image forming apparatus main body and image forming system using an electrophotographic image forming process to form an image on a mediumCANON KK·Filed 2015·Granted Jul 17, 2018·2 cites·54 claims
- 2983US10530572B2Key management method used in encryption processing for safely transmitting and receiving messagesPANASONIC IP CORP AMERICA·Filed 2016·Granted Jan 7, 2020·3 cites·28 claims
- 3083US10241438B2Developing device having a developing unit that is pivotally supported about the axis of a shaft, and image forming apparatusCANON KK·Filed 2017·Granted Mar 26, 2019·2 cites·23 claims
- 3182US12261851B2Vehicle communication apparatus, in-vehicle network system, and vehicle communication methodPANASONIC IP CORP AMERICA·Filed 2024·Granted Mar 25, 2025·0 cites·15 claims
- 3282USD587304SToner cartridgeCANON KK·Filed 2007·Granted Feb 24, 2009·27 cites·1 claims
- 3382US5005810AFluid-filled cushioning device having sealing arrangement for easy assemblingTOKAI RUBBER IND LTD·Filed 1988·Granted Apr 9, 1991·50 cites·11 claims
- 3481US11569984B2Key management method used in encryption processing for safely transmitting and receiving messagesPANASONIC IP CORP AMERICA·Filed 2020·Granted Jan 31, 2023·1 cites·10 claims
- 3581US10193859B2Security apparatus, attack detection method, and storage mediumPANASONIC IP CORP AMERICA·Filed 2018·Granted Jan 29, 2019·3 cites·8 claims
- 3680US11698600B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Jul 11, 2023·0 cites·7 claims
- 3779US11874625B2Developing cartridge including a member configured to be pressed by a member of an image forming apparatusCANON KK·Filed 2022·Granted Jan 16, 2024·0 cites·20 claims
- 3879US10713106B2Communication device, communication method and non-transitory storage mediumPANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 14, 2020·3 cites·9 claims
- 3978US2025193208A1Vehicle communication apparatus, in-vehicle network system, and vehicle communication methodPANASONIC IP CORP AMERICA·Filed 2025·Application pending·0 cites
- 4076US11372365B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2021·Granted Jun 28, 2022·0 cites·14 claims
- 4176US10775735B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2019·Granted Sep 15, 2020·0 cites·17 claims
- 4276US8886109B2Cleaning unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Nov 11, 2014·2 cites·19 claims
- 4375US11804953B2Key management method used in encryption processing for safely transmitting and receiving messagesPANASONIC IP CORP AMERICA·Filed 2022·Granted Oct 31, 2023·0 cites·10 claims
- 4475US10444696B2Cartridge having a rotatable guide memberCANON KK·Filed 2018·Granted Oct 15, 2019·0 cites·10 claims
- 4575US4632204APower assisted steering systemTOYOTA MOTOR CO LTD·Filed 1985·Granted Dec 30, 1986·31 cites·6 claims
- 4675US2025306500A1Developing deviceCANON KK·Filed 2025·Application pending·0 cites
- 4774US12461468B2Toner cartridge having feeding member and pump for discharging tonerCANON KK·Filed 2023·Granted Nov 4, 2025·0 cites·20 claims
- 4874US9228906B2Quartz-temperature-measurement probe and quartz-temperature-measurement deviceTANABE MASATO·Filed 2013·Granted Jan 5, 2016·3 cites·3 claims
- 4974US2025306502A1Developer containerCANON KK·Filed 2025·Application pending·0 cites
- 5073US11943233B2Vehicle communication apparatus, in-vehicle network system, and vehicle communication methodPANASONIC IP CORP AMERICA·Filed 2021·Granted Mar 26, 2024·0 cites·16 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →