Inventor
ASANAE MASUMI
JP42 patents
Patents
42 patentsUS4518673AMay 21, 1985
Electrophotographic developer
HITACHI METALS LTD29 citations92
US5876893AMar 2, 1999
Ferrite carrier, two-component developer and electrostatic imaging method using the developer
HITACHI METALS LTD26 citations90
US5432033AJul 11, 1995
Method of electrophotographically forming visual image
HITACHI METALS LTD20 citations78
US5853937ADec 29, 1998
Two-component magnetic developer for printing characters for magnetic ink character recognition
HITACHI METALS LTD9 citations74
US5812911ASep 22, 1998
Method of electrostatically forming visual image
HITACHI METALS LTD7 citations74
US5412454AMay 2, 1995
Compactm low profile elecrophotographic printer
HITACHI METALS LTD7 citations74
US5406353AApr 11, 1995
Portable electrophotographic printer having magnetic charging device
HITACHI METALS LTD8 citations74
US6075964AJun 13, 2000
Image forming developing method
HITACHI METALS LTD4 citations73
US5926677AJul 20, 1999
Image forming developing method
HITACHI METALS LTD7 citations73
US5900343AMay 4, 1999
Ferrite carrier for electrophotographic development
HITACHI METALS LTD13 citations73
US5717983AFeb 10, 1998
Simultaneous developing/cleaning method using magnetic support member
HITACHI METALS LTD5 citations73
US5634182AMay 27, 1997
Method of developing electrostatic latent image
HITACHI METALS LTD7 citations73
US5554479ASep 10, 1996
Image formation method
HITACHI METALS LTD8 citations73
US5496673AMar 5, 1996
Carrier for developer of electrostatic latent images
HITACHI METALS LTD11 citations73
US5483329AJan 9, 1996
Carrier for developer and method of electrophotographically forming visual image using same
HITACHI METALS LTD13 citations73
US4309498AJan 5, 1982
Electrophotography using a magnetic brush
HITACHI METALS LTD17 citations73
US4277552AJul 7, 1981
Magnetic developing process and toner containing high coercive force magnetic powder
HITACHI METALS LTD7 citations73
US5733699AMar 31, 1998
Developer for developing electrostatic latent image
HITACHI METALS LTD7 citations72
US5731121AMar 24, 1998
Developer for electrostatic latent image development
HITACHI METALS LTD10 citations72
US5565966AOct 15, 1996
Image forming method for setting a developing gap
HITACHI METALS LTD13 citations72
US5374978ADec 20, 1994
Developing method
HITACHI METALS LTD9 citations72
US5064739ANov 12, 1991
Method of developing electrostatic charge pattern with magnetic developer
HITACHI METALS LTD10 citations72
US4529680AJul 16, 1985
Magnetic toner for pressure fixation
HITACHI METALS LTD9 citations72
US6134413AOct 17, 2000
Carrier for magnetic developer and method of electrophotographically forming visual image
HITACHI METALS LTD11 citations71
US5659861AAug 19, 1997
Method of developing electrostatic latent image
HITACHI METALS LTD13 citations70
US4873540AOct 10, 1989
Image recording method
HITACHI METALS LTD7 citations66
US5559541ASep 24, 1996
Direct recording method
HITACHI METALS LTD3 citations63
US5371571ADec 6, 1994
Portable electrophotographic printer of reduced height
HITACHI METALS LTD5 citations63
US5153616AOct 6, 1992
Method for recording images
HITACHI METALS LTD4 citations63
US4912003AMar 27, 1990
Reverse development method
HITACHI METALS LTD6 citations63
US4231320ANov 4, 1980
Magnetic brush-toner supply hopper
HITACHI METALS LTD5 citations63
US5866289AFeb 2, 1999
Developer for electrostatic development and electrostatic developing method using same
HITACHI METALS LTD4 citations62
US5669051ASep 16, 1997
Method of electrostatically forming visual image
HITACHI METALS LTD3 citations62
US5565967AOct 15, 1996
Method of forming image using magnetic developer with high volume resistivity
HITACHI METALS LTD3 citations62
US5547795AAug 20, 1996
Magnetic carrier for developer
HITACHI METALS LTD5 citations62
US5516613AMay 14, 1996
Binary developer
HITACHI METALS LTD5 citations62
US5532095AJul 2, 1996
Magnetic toner
HITACHI METALS LTD3 citations61
US5429900AJul 4, 1995
Magnetic developer
HITACHI METALS LTD4 citations61
US4865936ASep 12, 1989
Electrophotographic reversal development method using magnetic field and specified development gap
HITACHI METALS LTD6 citations61
US5390014AFeb 14, 1995
Portable electrophotographic image forming apparatus
HITACHI METALS LTD6 citations54
US5786120AJul 28, 1998
Two component developer
HITACHI METALS LTD0 citations52
US6072974AJun 6, 2000
Image forming developing method
HITACHI METALS LTD0 citations51