Inventor · disambiguated record
Junichi Matsumura
Also filed as: MATSUMURA JUNICHI
31 granted patents·6 pending applications·495 citations·filing 1996–2024
97Inventor score
Top patents by PatentIndex Score
37 records- 0199US9494890B2Developing cartridge, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Nov 15, 2016·56 cites·15 claims
- 0299US9188906B2Cartridge, developing cartridge, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Nov 17, 2015·50 cites·76 claims
- 0398US9529304B2Developer accommodating unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Dec 27, 2016·35 cites·35 claims
- 0498US9310717B2Developer accommodating container, developing device, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Apr 12, 2016·31 cites·17 claims
- 0598US9302801B2Developer accommodating unit, manufacturing method thereof, process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Apr 5, 2016·30 cites·15 claims
- 0698US9207581B2Developer accommodating unit, developing device, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted Dec 8, 2015·48 cites·22 claims
- 0798US9069289B2Developer container, developing cartridge, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted Jun 30, 2015·44 cites·19 claims
- 0898US9063464B2Developer containing unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Jun 23, 2015·37 cites·22 claims
- 0997US9304441B2Developer accommodating container, developer accommodating unit, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Apr 5, 2016·21 cites·48 claims
- 1097US9285707B2Developer accommodating unit with a urging member for urging a flexible memberCANON KK·Filed 2012·Granted Mar 15, 2016·25 cites·22 claims
- 1196US9304439B2Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Apr 5, 2016·9 cites·25 claims
- 1295US9599930B2Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2016·Granted Mar 21, 2017·7 cites·33 claims
- 1395US9360831B2Developing unit, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Jun 7, 2016·11 cites·29 claims
- 1495US8867955B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Oct 21, 2014·34 cites·7 claims
- 1593US10001727B2Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Jun 19, 2018·4 cites·26 claims
- 1692US10162289B2Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2018·Granted Dec 25, 2018·3 cites·20 claims
- 1787US8824918B2Developer accommodating unit, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Sep 2, 2014·4 cites·10 claims
- 1883US12479138B2Mold, method of producing product, method of producing image forming apparatus, and non-transitory computer-readable recording mediumCANON KK·Filed 2023·Granted Nov 25, 2025·0 cites·23 claims
- 1983US9250567B2Developer container for detecting developer amount based on capacitance, developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2014·Granted Feb 2, 2016·2 cites·17 claims
- 2075USD565094SImage forming apparatusCANON KK·Filed 2005·Granted Mar 25, 2008·21 cites·1 claims
- 2172US2024407633A1Tube body and manufacturing method thereforCANON KK·Filed 2024·Application pending·0 cites
- 2270US10802419B2Method of manufacturing developer container, developer container, developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Oct 13, 2020·0 cites·24 claims
- 2370US6256051B1Electrophotographic device, electrophotography, and process for preparing sheet bearing toner imagesTORAY INDUSTRIES·Filed 1996·Granted Jul 3, 2001·23 cites·42 claims
- 2465US10496035B2Image forming apparatus, molded resin product for use with the image forming apparatus, and cartridgeCANON KK·Filed 2018·Granted Dec 3, 2019·0 cites·14 claims
- 2565US2018370094A1Mold, method of producing product, method of producing image forming apparatus, and non-transitory computer-readable recording mediumCANON KK·Filed 2018·Application pending·0 cites
- 2662US2024173904A1Manufacturing apparatus control method, manufacturing system, control apparatus, and molded article manufacturing methodCANON KK·Filed 2023·Application pending·0 cites
- 2760US2023382028A1Injection apparatus and method of manufacturing resin bodyCANON KK·Filed 2023·Application pending·0 cites
- 2859US12329354B2Antitwist mechanism for robotic endoscope cameraCANON USA INC·Filed 2022·Granted Jun 17, 2025·0 cites·25 claims
- 2959US2023302698A1Manufacturing apparatus and manufacturing method of molded productsCANON KK·Filed 2023·Application pending·0 cites
- 3058US9921544B2Image forming apparatus, molded resin product for use with the image forming apparatus, and cartridgeCANON KK·Filed 2015·Granted Mar 20, 2018·0 cites·17 claims
- 3156US9405225B2Developer accommodating unit, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted Aug 2, 2016·0 cites·45 claims
- 3254US9405224B2Developer accommodating container with flexible members forming injection openingCANON KK·Filed 2013·Granted Aug 2, 2016·0 cites·21 claims
- 3351US9989888B2Method of manufacturing developer containerCANON KK·Filed 2015·Granted Jun 5, 2018·0 cites·23 claims
- 3446US11584052B2Method of producing assembled product and assembling apparatusCANON KK·Filed 2018·Granted Feb 21, 2023·0 cites·11 claims
- 3546US9857767B2Process cartridge and image forming apparatusCANON KK·Filed 2016·Granted Jan 2, 2018·0 cites·6 claims
- 3644US10165958B2Method for detecting position of signal source in living body, and device for detecting position of signal source in living bodyTORAY ENG CO LTD·Filed 2014·Granted Jan 1, 2019·0 cites·8 claims
- 3735US2012070187A1Cartridge and image forming apparatusTAKEUCHI TOSHIAKI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →