P

Inventor

ASANAE MASUMI

JP42 patents

Patents

42 patents
US4518673AMay 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