Inventor · disambiguated record
Akiyoshi Yokoi
Also filed as: YOKOI AKIYOSHI
31 granted patents·5 pending applications·827 citations·filing 1998–2019
97Inventor score
Top patents by PatentIndex Score
36 records- 0198US5940658AToner frame and process cartridgeCANON KK·Filed 1998·Granted Aug 17, 1999·161 cites·26 claims
- 0296US6735405B2Method of remanufacturing process cartridge and developing deviceCANON KK·Filed 2002·Granted May 11, 2004·76 cites·30 claims
- 0395US7296341B2Disassembling tool for process cartridgeCANON KK·Filed 2005·Granted Nov 20, 2007·39 cites·4 claims
- 0494US6868243B2Image forming apparatus having process cartridge with connection arrangement for side frame bodiesCANON KK·Filed 2002·Granted Mar 15, 2005·52 cites·22 claims
- 0593US6952544B2Method of reproducing process cartridge or developing apparatusCANON KK·Filed 2003·Granted Oct 4, 2005·45 cites·20 claims
- 0693US6804475B2Process cartridge comprising grounding, charging bias, and developing bias contacts and input and output contacts, and electrophotographic image forming apparatus to which the process cartridge is detachably mountableCANON KK·Filed 2002·Granted Oct 12, 2004·51 cites·19 claims
- 0791US7073251B2Disassembling tool for process cartridgeCANON KK·Filed 2003·Granted Jul 11, 2006·42 cites·11 claims
- 0891US6571070B2Process cartridge and image forming apparatusCANON KK·Filed 2001·Granted May 27, 2003·40 cites·19 claims
- 0987US6606469B2Developing apparatus mounted on image forming apparatusCANON KK·Filed 2002·Granted Aug 12, 2003·27 cites·6 claims
- 1087US6463223B1Electrophotographic image forming apparatus, process cartridge developing device, developer supply container and measuring part thereforCANON KK·Filed 1999·Granted Oct 8, 2002·45 cites·96 claims
- 1186US6253036B1Electrophotographic image forming apparatus, process cartridge, developing device and measuring partCANON KK·Filed 1999·Granted Jun 26, 2001·42 cites·57 claims
- 1284US10144132B2Robot controlling method, robot apparatus, program and recording mediumCANON KK·Filed 2016·Granted Dec 4, 2018·3 cites·9 claims
- 1384US8403387B2Gripping apparatus, robot system and gripping methodNAKASUGI MIKIO·Filed 2011·Granted Mar 26, 2013·15 cites·6 claims
- 1484US6804476B2Process cartridge and developing device detachably attachable to image forming apparatus main body and having developer seal member with grip portion, and such image forming apparatusCANON KK·Filed 2003·Granted Oct 12, 2004·24 cites·20 claims
- 1583US6625413B2Developing device, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted Sep 23, 2003·22 cites·18 claims
- 1680US6587650B2Electrophotographic image forming apparatus, process cartridge, and developing device having developer amount detectorCANON KK·Filed 2001·Granted Jul 1, 2003·19 cites·20 claims
- 1779US6941092B2Remanufacturing method for process cartridgeCANON KK·Filed 2003·Granted Sep 6, 2005·18 cites·5 claims
- 1879US6704525B2Developing device, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted Mar 9, 2004·18 cites·20 claims
- 1976US8546040B2Fuel cellYOKOI AKIYOSHI·Filed 2007·Granted Oct 1, 2013·3 cites·9 claims
- 2075US8141792B2Pressure controller, valve having pressure controller, and fuel cell equipped with valve having pressure controllerYOKOI AKIYOSHI·Filed 2006·Granted Mar 27, 2012·3 cites·17 claims
- 2174US6684040B2Developing device, process cartridge, electrophotographic image forming apparatus, and developer container and method of assembling the developer containerCANON KK·Filed 2002·Granted Jan 27, 2004·14 cites·32 claims
- 2274US6658224B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2002·Granted Dec 2, 2003·14 cites·18 claims
- 2372US7200347B2Electrophotographic image forming apparatus, cartridge and process cartridgeCANON KK·Filed 2006·Granted Apr 3, 2007·3 cites·7 claims
- 2468USD492958SImage forming apparatusCANON KK·Filed 2002·Granted Jul 13, 2004·15 cites·1 claims
- 2565USD478615SImage forming apparatusCANON KK·Filed 2002·Granted Aug 19, 2003·13 cites·1 claims
- 2664US7209676B2Electrophotographic image forming apparatus, cartridge and process cartridgeCANON KK·Filed 2004·Granted Apr 24, 2007·7 cites·12 claims
- 2764US6701106B2Cartridge having developer containing portion with inner pressure regulating functionCANON KK·Filed 2002·Granted Mar 2, 2004·8 cites·25 claims
- 2862US6804483B2Electrophotographic image forming apparatus and process cartridgesCANON KK·Filed 2002·Granted Oct 12, 2004·8 cites·17 claims
- 2955US8071250B2Fuel cell stackYAMAMOTO JUN·Filed 2009·Granted Dec 6, 2011·0 cites·12 claims
- 3054US8084162B2Fuel cell and fuel cell apparatus with a switch responsive to an amount of water contained in the electrolyte membraneMORITA AKIRA·Filed 2007·Granted Dec 27, 2011·0 cites·7 claims
- 3153US7914944B2Atmosphere open type fuel cellCANON KK·Filed 2007·Granted Mar 29, 2011·0 cites·11 claims
- 3251US2008081237A1Power generation systemCANON KK·Filed 2007·Application pending·0 cites
- 3351US2009095363A1Pressure control valve, production method of pressure control valve, and fuel cell system with pressure control valveCANON KK·Filed 2007·Application pending·0 cites
- 3449US2008138681A1Fuel cell systemCANON KK·Filed 2007·Application pending·0 cites
- 3549US2008152980A1Membrane electrode assembly, method of producing the membrane electrode assembly, and fuel cell using the membrane electrode assemblyCANON KK·Filed 2007·Application pending·0 cites
- 3647US2019184566A1Robot arm, robot control apparatus, and robot systemCANON KK·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →