P

Inventor

TAKASU YOSHIO

JP56 patents
⚠️ This page may combine multiple inventors who share the name “TAKASU YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

44 patents
US4995705AFeb 26, 1991

Device, method and apparatus for optical modulation using ferroelectric polymer liquid crystals

CANON KK62 citations96
US4565761AJan 21, 1986

Electrophotographic process utilizing an azulenium salt-containing photosensitive member

CANON KK58 citations96
US4399208AAug 16, 1983

Electrophotographic photosensitive member

CANON KK89 citations95
US5527650AJun 18, 1996

Image forming method recording medium and visible image reproducing medium

CANON KK21 citations93
US5041369AAug 20, 1991

Photosensitive material and image forming method

CANON KK24 citations92
US5001032AMar 19, 1991

Photosensitive material containing a photosensitive and heat developable element and a polymerizable layer and image-forming method utilizing the same

CANON KK24 citations92
US4923390AMay 8, 1990

Optical recording medium IR-ray absorptive compound and optical recording medium by use thereof

CANON KK24 citations92
US4629670ADec 16, 1986

Photoconductive film of azulenium salt and electrophotographic photosensitive member

CANON KK29 citations92
US4551404ANov 5, 1985

Disazo electrophotographic photosensitive member

CANON KK40 citations92
US4163892AAug 7, 1979

Fixing apparatus

CANON KK52 citations92
US4673630AJun 16, 1987

Photoconductive film and electrophotographic photosensitive member contains azulenium salt

CANON KK27 citations90
US4548886AOct 22, 1985

Radiation sensitive organic thin film comprising an azulenium salt

CANON KK15 citations82
US4456671AJun 26, 1984

Electrophotographic photosensitive member having a photosensitive layer containing a hydrazone compound

CANON KK24 citations82
US4423129ADec 27, 1983

Electrophotographic member having layer containing methylidenyl hydrazone compound

CANON KK25 citations82
US4340660AJul 20, 1982

Toner for development having crosslinked polymers

CANON KK22 citations82
US4132882AJan 2, 1979

Process and apparatus for fixing toner with heat and a fixing agent

CANON KK19 citations82
US4734359AMar 29, 1988

Thermal recording material for display and image display device utilizing the same

CANON KK24 citations81
US4427753AJan 24, 1984

Electrophotographic photosensitive member with disazo or trisazo compound

CANON KK22 citations81
US5712066AJan 27, 1998

Image forming method, recording medium, and visible image reproducing method

CANON KK10 citations74
US5663032ASep 2, 1997

Photosensitive composition containing photosensitive and heat developable element and polymer element and image-forming method utilizing the same

CANON KK12 citations74
US5124235AJun 23, 1992

Photopolymerization initiator and photosensitive composition employing the same

CANON KK13 citations74
US5079128AJan 7, 1992

Optical recording medium and process for recording thereupon

CANON KK12 citations74
US4957854ASep 18, 1990

Optical recording medium

CANON KK7 citations74
US4945833AAug 7, 1990

Printing process using a pH change to transfer a thin layer of ink to a printing plate

CANON KK7 citations74
US4738908AApr 19, 1988

Photothermal transducing type of recording medium

CANON KK18 citations74
US4693951ASep 15, 1987

Image forming method and image bearing member

CANON KK17 citations74
US4675767AJun 23, 1987

Opto-magnetic recording medium

CANON KK14 citations74
US4614951ASep 30, 1986

Optical recording medium

CANON KK11 citations74
US4579799AApr 1, 1986

Photoconductive film electrophotographic photosensitive member therewith

CANON KK9 citations74
US4481273ANov 6, 1984

Electrophotographic photosensitive member and preparation thereof

CANON KK9 citations74
US4454211AJun 12, 1984

Electrophotographic photosensitive member with pyrazoline charge transport material

CANON KK11 citations74
US4446217AMay 1, 1984

Electrophotographic photosensitive member having a hydrazone containing layer

CANON KK19 citations74
US4336318AJun 22, 1982

Electrostatic image developing method

CANON KK15 citations74
US4299900ANov 10, 1981

Electrostatic image magnetic developing process

CANON KK13 citations74
US4258116AMar 24, 1981

Process for developing electrostatic latent images

CANON KK14 citations74
US4745030AMay 17, 1988

Electrostatic recording device

CANON KK13 citations73
US5278026AJan 11, 1994

Optical recording medium and process for recording thereupon

CANON KK2 citations63
US5079127AJan 7, 1992

Optical recording medium and process for recording thereupon

CANON KK4 citations63
US5004667AApr 2, 1991

Photosensitive material, and image formation process and image formation apparatus using same

CANON KK6 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
US4760007AJul 26, 1988

Process of developing latent electrostatic image using dry magnetic developer

CANON KK5 citations63
US4471694ASep 18, 1984

Printing process for transferring fixed image from master

CANON KK5 citations63
US4097277AJun 27, 1978

Photosensitive member having layer of vinyl carbazole polymer containing antimony chalcogen compound of antimony and sulfur

CANON KK2 citations62

TAKEMOTO OIL & FAT CO LTD

3 patents

HITACHI MAXELL

1 patent

TAKASU YOSHIO

1 patent

PERMELEC ELECTRODE LTD

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.