Inventor · disambiguated record
Kojiro Yasui
Also filed as: YASUI KOJIRO
36 granted patents·1 pending application·1,142 citations·filing 2002–2019
98Inventor score
Files withCANON KK37
Top patents by PatentIndex Score
37 records- 0199US9885978B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Feb 6, 2018·30 cites·19 claims
- 0299US9665040B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted May 30, 2017·31 cites·41 claims
- 0399US6681088B2Process cartridge, image forming apparatus and separating mechanism for separating developing member from photosensitive drumCANON KK·Filed 2002·Granted Jan 20, 2004·250 cites·20 claims
- 0498US9529304B2Developer accommodating unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Dec 27, 2016·35 cites·35 claims
- 0598US9302801B2Developer accommodating unit, manufacturing method thereof, process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Apr 5, 2016·30 cites·15 claims
- 0698US9291942B2Developer accommodating unit, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted Mar 22, 2016·26 cites·18 claims
- 0798US9207581B2Developer accommodating unit, developing device, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted Dec 8, 2015·48 cites·22 claims
- 0898US9152081B2Developer accommodating container, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Oct 6, 2015·29 cites·38 claims
- 0998US9146500B2Developer accommodating unitCANON KK·Filed 2013·Granted Sep 29, 2015·35 cites·17 claims
- 1098US7155137B2Process cartridge, developing cartridge and developing rollerCANON KK·Filed 2005·Granted Dec 26, 2006·46 cites·6 claims
- 1198US7016626B2Electrophotographic photosensitive drum having caulked flanges, process cartridge having such a drum, and image forming apparatus having such a process cartridgeCANON KK·Filed 2003·Granted Mar 21, 2006·109 cites·17 claims
- 1297US10175609B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Jan 8, 2019·13 cites·20 claims
- 1397US9383678B2Developer accommodating container, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Jul 5, 2016·25 cites·13 claims
- 1497US9341983B2Developer accommodating unit, developing device, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted May 17, 2016·22 cites·17 claims
- 1597US9304440B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Apr 5, 2016·32 cites·20 claims
- 1696US9304439B2Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Apr 5, 2016·9 cites·25 claims
- 1796US7085516B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Aug 1, 2006·76 cites·20 claims
- 1896US7068965B2Developing cartridge, side cover mounting method and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Jun 27, 2006·77 cites·22 claims
- 1995US9599930B2Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2016·Granted Mar 21, 2017·7 cites·33 claims
- 2095US9360831B2Developing unit, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Jun 7, 2016·11 cites·29 claims
- 2194US10620567B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2018·Granted Apr 14, 2020·4 cites·11 claims
- 2294US6978100B2Process cartridge, developing cartridge and developing rollerCANON KK·Filed 2003·Granted Dec 20, 2005·46 cites·8 claims
- 2394US6654583B2Developing apparatusCANON KK·Filed 2002·Granted Nov 25, 2003·49 cites·19 claims
- 2493US10001727B2Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Jun 19, 2018·4 cites·26 claims
- 2593US6859629B2Image forming apparatus having developer container with light transmitting window used for remaining developer amount detectionCANON KK·Filed 2002·Granted Feb 22, 2005·48 cites·17 claims
- 2692US10162289B2Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2018·Granted Dec 25, 2018·3 cites·20 claims
- 2792US9715191B2Powder feeding mechanism, powder feeding method, developer accommodating container, cartridge and image forming apparatusCANON KK·Filed 2014·Granted Jul 25, 2017·6 cites·16 claims
- 2887US10739702B2Developer accommodating unit, cartridge and image forming apparatusCANON KK·Filed 2019·Granted Aug 11, 2020·2 cites·24 claims
- 2987US9366994B2Developer container, cartridge, and image forming apparatusCANON KK·Filed 2015·Granted Jun 14, 2016·3 cites·14 claims
- 3087US8824918B2Developer accommodating unit, process cartridge, electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Sep 2, 2014·4 cites·10 claims
- 3168USD599846SProcess cartridgeCANON KK·Filed 2008·Granted Sep 8, 2009·15 cites·1 claims
- 3260US6839529B2Developing device and process cartridgeCANON KK·Filed 2003·Granted Jan 4, 2005·7 cites·17 claims
- 3358USD599847SToner cartridgeCANON KK·Filed 2008·Granted Sep 8, 2009·10 cites·1 claims
- 3452US9250565B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2014·Granted Feb 2, 2016·0 cites·20 claims
- 3551US9042769B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2014·Granted May 26, 2015·0 cites·27 claims
- 3647US11221584B2Image forming apparatus and cartridge with a coupling member that contacts another coupling member by an electrostatic adsorption forceCANON KK·Filed 2018·Granted Jan 11, 2022·0 cites·5 claims
- 3744US2019113865A1Developer accommodating member, developer accommodating unit, developing device, process cartridge and image forming apparatusCANON KK·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →