Inventor
YOKOI AKIYOSHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YOKOI AKIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
26 patentsUS5940658AAug 17, 1999
Toner frame and process cartridge
CANON KK161 citations99
US6735405B2May 11, 2004
Method of remanufacturing process cartridge and developing device
CANON KK76 citations98
US7296341B2Nov 20, 2007
Disassembling tool for process cartridge
CANON KK39 citations93
US7073251B2Jul 11, 2006
Disassembling tool for process cartridge
CANON KK42 citations93
US6952544B2Oct 4, 2005
Method of reproducing process cartridge or developing apparatus
CANON KK45 citations93
US6868243B2Mar 15, 2005
Image forming apparatus having process cartridge with connection arrangement for side frame bodies
CANON KK52 citations93
US6804475B2Oct 12, 2004
Process 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 mountable
CANON KK51 citations93
US6804476B2Oct 12, 2004
Process cartridge and developing device detachably attachable to image forming apparatus main body and having developer seal member with grip portion, and such image forming apparatus
CANON KK24 citations93
US6625413B2Sep 23, 2003
Developing device, process cartridge and electrophotographic image forming apparatus
CANON KK22 citations93
US6606469B2Aug 12, 2003
Developing apparatus mounted on image forming apparatus
CANON KK27 citations93
US6571070B2May 27, 2003
Process cartridge and image forming apparatus
CANON KK40 citations93
US6463223B1Oct 8, 2002
Electrophotographic image forming apparatus, process cartridge developing device, developer supply container and measuring part therefor
CANON KK45 citations92
US6253036B1Jun 26, 2001
Electrophotographic image forming apparatus, process cartridge, developing device and measuring part
CANON KK42 citations92
US6941092B2Sep 6, 2005
Remanufacturing method for process cartridge
CANON KK18 citations84
USD492958SJul 13, 2004
Image forming apparatus
CANON KK15 citations84
US6704525B2Mar 9, 2004
Developing device, process cartridge and electrophotographic image forming apparatus
CANON KK18 citations84
US6684040B2Jan 27, 2004
Developing device, process cartridge, electrophotographic image forming apparatus, and developer container and method of assembling the developer container
CANON KK14 citations84
US6658224B2Dec 2, 2003
Process cartridge and electrophotographic image forming apparatus
CANON KK14 citations84
USD478615SAug 19, 2003
Image forming apparatus
CANON KK13 citations84
US6587650B2Jul 1, 2003
Electrophotographic image forming apparatus, process cartridge, and developing device having developer amount detector
CANON KK19 citations84
US7209676B2Apr 24, 2007
Electrophotographic image forming apparatus, cartridge and process cartridge
CANON KK7 citations74
US6804483B2Oct 12, 2004
Electrophotographic image forming apparatus and process cartridges
CANON KK8 citations74
US6701106B2Mar 2, 2004
Cartridge having developer containing portion with inner pressure regulating function
CANON KK8 citations74
US10144132B2Dec 4, 2018
Robot controlling method, robot apparatus, program and recording medium
CANON KK3 citations73
US7200347B2Apr 3, 2007
Electrophotographic image forming apparatus, cartridge and process cartridge
CANON KK3 citations63
US7914944B2Mar 29, 2011
Atmosphere open type fuel cell
CANON KK0 citations42