P

Inventor

OSATO YOICHI

JP53 patents

Patents

50 patents
US7163831B2Jan 16, 2007

Light-emitting element, production method thereof, and light-emitting apparatus

CANON KK50 citations96
US4460670AJul 17, 1984

Photoconductive member with α-Si and C, N or O and dopant

CANON KK99 citations96
US4737947AApr 12, 1988

Recording medium having optomagnetic recording layer and optical recording layer with guide tracks of specific reflectance

CANON KK32 citations93
US4465750AAug 14, 1984

Photoconductive member with a -Si having two layer regions

CANON KK40 citations93
US4460669AJul 17, 1984

Photoconductive member with α-Si and C, U or D and dopant

CANON KK46 citations93
US6342754B1Jan 29, 2002

Charge-reducing film, image forming apparatus including said film and method of manufacturing said image forming apparatus

CANON KK19 citations92
US5529864AJun 25, 1996

Optical recording medium having mask layer

CANON KK25 citations92
US5132945AJul 21, 1992

Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same

CANON KK45 citations92
US6583557B2Jun 24, 2003

Organic luminescent element

CANON KK13 citations83
US5163031ANov 10, 1992

Method of recording tetra-value signal on magneto-optical recording medium with plural magnetic layers

CANON KK21 citations82
US4483911ANov 20, 1984

Photoconductive member with amorphous silicon-carbon surface layer

CANON KK20 citations82
US4452874AJun 5, 1984

Photoconductive member with multiple amorphous Si layers

CANON KK21 citations82
US4452875AJun 5, 1984

Amorphous photoconductive member with α-Si interlayers

CANON KK26 citations82
US5596555AJan 21, 1997

Magnetooptical recording medium having magnetic layers that satisfy predetermined coercive force relationships, and recording/reproduction method for the medium

CANON KK18 citations80
US5503924AApr 2, 1996

Exchange-coupled magnetooptical recording medium with first layer having smaller vertical orientation saturation magnetization than in-plane orientation saturation magnetization of second layer

CANON KK7 citations74
US5502692AMar 26, 1996

Method and apparatus for recording, reproducing and overwriting information on or from a magnetooptic disk having three magnetic layers

CANON KK9 citations74
US5481410AJan 2, 1996

Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same

CANON KK12 citations74
US5265073ANov 23, 1993

Overwritable magneto-optical recording medium having two-layer magnetic films wherein one of the films contains one or more of Cu, Ag, Ti, Mn, B, Pt, Si, Ge, Cr and Al, and a method of recording on the same

CANON KK13 citations74
US4795688AJan 3, 1989

Layered photoconductive member comprising amorphous silicon

CANON KK9 citations74
US4675767AJun 23, 1987

Opto-magnetic recording medium

CANON KK14 citations74
US4664977AMay 12, 1987

Opto-magnetic recording medium

CANON KK16 citations74
US4614951ASep 30, 1986

Optical recording medium

CANON KK11 citations74
US4536459AAug 20, 1985

Photoconductive member having multiple amorphous layers

CANON KK12 citations74
US4522905AJun 11, 1985

Amorphous silicon photoconductive member with interface and rectifying layers

CANON KK12 citations74
US4501807AFeb 26, 1985

Photoconductive member having an amorphous silicon layer

CANON KK9 citations74
US4490454ADec 25, 1984

Photoconductive member comprising multiple amorphous layers

CANON KK11 citations74
US4486521ADec 4, 1984

Photoconductive member with doped and oxygen containing amorphous silicon layers

CANON KK13 citations74
US4423133ADec 27, 1983

Photoconductive member of amorphous silicon

CANON KK7 citations74
US7834542B2Nov 16, 2010

Organic light-emitting apparatus

CANON KK4 citations63
US7683533B2Mar 23, 2010

Organic electroluminescent device provided with a polarizing plate, a prism member and a phase member in a stacked arrangement

CANON KK3 citations63
US6998182B2Feb 14, 2006

Organic luminescence device

CANON KK2 citations63
US6028824AFeb 22, 2000

Magnetooptical recording medium allowing overwriting with two or more magnetic layers

CANON KK5 citations63
US5783300AJul 21, 1998

Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same

CANON KK3 citations63
US5604046AFeb 18, 1997

Magneto-optical recording medium and a method using the same

CANON KK6 citations63
US5591515AJan 7, 1997

Magnetic recording medium with a recording layer composed of laminate structure of magnetic films and non-magnetic films, and method for producing the same

CANON KK6 citations63
US5536570AJul 16, 1996

Overwrite capable magneto-optical recording medium having three magneto-optic layers

CANON KK4 citations63
US5525378AJun 11, 1996

Method for producing a magnetooptical recording medium

CANON KK3 citations63
US5521006AMay 28, 1996

Magneto-optical recording medium

CANON KK5 citations63
US5410521AApr 25, 1995

Method and apparatus for recording information on a medium having biaxial magnetic anisotropy using parallel and perpendicular magnetic fields

CANON KK3 citations63
US5370945ADec 6, 1994

Magnetooptic recording medium

CANON KK4 citations63
US4999260AMar 12, 1991

Magneto-optical recording medium comprising a rare-earth-transition metal dispersed in a dielectric

CANON KK4 citations63
US4899168AFeb 6, 1990

Optical recording medium

CANON KK4 citations63
US4816840AMar 28, 1989

Optical recording medium and method for producing the same

CANON KK2 citations63
US4636450AJan 13, 1987

Photoconductive member having amorphous silicon matrix with oxygen and impurity containing regions

CANON KK3 citations63
US4547448AOct 15, 1985

Photoconductive member comprising silicon and oxygen

CANON KK5 citations63
US4536460AAug 20, 1985

Photoconductive member

CANON KK5 citations63
US4518671AMay 21, 1985

Electrophotographic photosensitive Se or Se alloy doped with oxygen

CANON KK5 citations63
US5140547AAug 18, 1992

Magnetic bubble recording element

CANON KK6 citations62
US4939023AJul 3, 1990

Opto-magnetic recording medium

CANON KK4 citations60
US7902739B2Mar 8, 2011

Organic light emitting device with prism

CANON KK0 citations52

Showing the top 50 of 53 patents by PatentIndex Score.