Inventor
HIBINO MASARU
JP26 patents
⚠️ This page may combine multiple inventors who share the name “HIBINO MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
23 patentsUS7099609B2Aug 29, 2006
Developing device
CANON KK32 citations92
US6975825B2Dec 13, 2005
Developing apparatus including first and second magnets with poles arranged to supply developer without contamination
CANON KK27 citations92
US6973281B2Dec 6, 2005
Developing apparatus with two developing chamber-rotatable member pairs
CANON KK40 citations92
US6449442B1Sep 10, 2002
Developing apparatus employing permeability sensor to detect polymer toner density
CANON KK19 citations92
US6345162B1Feb 5, 2002
Image forming apparatus
CANON KK26 citations92
US5576812ANov 19, 1996
Developing method with carrier chains contacted to image bearing member
CANON KK21 citations92
US6389245B2May 14, 2002
Developing device and image forming apparatus
CANON KK14 citations84
US6104892AAug 15, 2000
Developing device and image forming apparatus
CANON KK18 citations84
US6049687AApr 11, 2000
Developing apparatus
CANON KK19 citations84
US6925269B2Aug 2, 2005
Developing apparatus
CANON KK7 citations74
US6704534B2Mar 9, 2004
Developing device having minimum magnetic field strength adjacent regulating member
CANON KK12 citations74
US6539192B2Mar 25, 2003
Developing device with developing mark reduction feature and cartridge using same
CANON KK10 citations74
US6473584B1Oct 29, 2002
Developing apparatus having carrying capability of screw lowered on developing sleeve side
CANON KK12 citations74
US6295432B1Sep 25, 2001
Image forming apparatus having an injection charging system and a two component contact development device
CANON KK13 citations74
US5870656AFeb 9, 1999
Image forming apparatus for effecting development and cleaning by using magnet brush
CANON KK14 citations74
US5459559AOct 17, 1995
Magnetic brush developing method using a two-component developer
CANON KK11 citations74
US5438394AAug 1, 1995
Image forming apparatus usable with a carrier having magnetization controlled in relation to recording density
CANON KK11 citations74
US6332063B1Dec 18, 2001
Image forming apparatus with residual toner detection and collection features
CANON KK13 citations73
US6294305B1Sep 25, 2001
Image forming method and image forming apparatus
CANON KK13 citations73
US6219514B1Apr 17, 2001
Image forming apparatus and positioning of magnetic field generating devices within the same apparatus
CANON KK13 citations73
US7079795B2Jul 18, 2006
Image forming apparatus
CANON KK5 citations63
US6304738B1Oct 16, 2001
Image forming apparatus wherein toner in a developing device toner and toner on an image bearing member satisfy a prescribed weight average diameter relationship
CANON KK2 citations62
US6684046B2Jan 27, 2004
Image forming apparatus, image forming method and developing apparatus
CANON KK0 citations42
TOYOTA MOTOR CO LTD
3 patentsUS4825825AMay 2, 1989
Oil pan arrangement for horizontally mounted engine
TOYOTA MOTOR CO LTD30 citations89
US3960026AJun 1, 1976
Timing chain tensioner
TOYOTA MOTOR CO LTD16 citations74
US4142491AMar 6, 1979
Exhaust gas recirculation apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD18 citations73