Inventor

YOSHINAGA KAZUO

JP93 patents

Patents

50 patents

US6486974B1Nov 26, 2002

Image reading device

CANON KK48 citations96

US6094281AJul 25, 2000

Image reading device with offset faces for visible and non-visible light sensors

CANON KK62 citations96

US5503904AApr 2, 1996

Invisible information recorded medium

CANON KK67 citations96

US5372745ADec 13, 1994

Liquid crystal device, display apparatus using same and display method using same

CANON KK55 citations96

US5039208AAug 13, 1991

Polymer liquid crystal device

CANON KK55 citations96

US4995705AFeb 26, 1991

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

CANON KK62 citations96

US4820026AApr 11, 1989

Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film

CANON KK46 citations96

US4714323ADec 22, 1987

Ferroelectric liquid crystal device having chiral smectic and nematic liquid crystal composition

CANON KK45 citations96

US4798680AJan 17, 1989

Optically active compound, process for producing same and liquid crystal composition containing same

CANON KK49 citations95

US6051826AApr 18, 2000

Photosensor with filter for cutting off the input of invisible information

CANON KK40 citations93

US5818489AOct 6, 1998

Image forming apparatus and process cartridge having exposure device using light beam having specific spot area

CANON KK22 citations93

US5812227ASep 22, 1998

Liquid crystal device, display apparatus using same and display method using same

CANON KK44 citations93

US5763891AJun 9, 1998

Non-visualized information recording medium and apparatus for detecting the same

CANON KK34 citations93

US5724152AMar 3, 1998

Image reading apparatus and image processing apparatus for reading optical information of visible and non-visible light

CANON KK38 citations93

US5666589ASep 9, 1997

Electrophotographic apparatus and image forming method using a photosensitive member with exposure characteristics responsive to field intensity

CANON KK20 citations93

US5650863AJul 22, 1997

Image reading and copying using plural illumination sources having different characteristics

CANON KK43 citations93

US5631723AMay 20, 1997

Image processing apparatus for determining whether an image contains a particular pattern using invisible light

CANON KK18 citations93

US5631750AMay 20, 1997

Scattering type liquid crystal device

CANON KK28 citations93

US5617187AApr 1, 1997

Image reading apparatus, copying apparatus, image processing apparatus, and image processing method

CANON KK24 citations93

US5540858AJul 30, 1996

Display method and apparatus using chiral smectic liquid crystal

CANON KK37 citations93

US5527650AJun 18, 1996

Image forming method recording medium and visible image reproducing medium

CANON KK21 citations93

US5481334AJan 2, 1996

Image processing apparatus having means for detecting non-visible light, and image processing method therefor

CANON KK28 citations93

US5475515ADec 12, 1995

Liquid crystal device having a stretched porous polymer film impregnated with a low molecular weight mesomorphic compound

CANON KK28 citations93

US5473448ADec 5, 1995

Display device having a mesomorphic diffraction grating layer adjacent a polymer dispersed layer

CANON KK41 citations93

US5471281ANov 28, 1995

Image reading apparatus and copying apparatus having means for radiating visible and non-visible light, image processing apparatus having means for discriminating a specific orginal and image processing method therefor

CANON KK39 citations93

US5333021AJul 26, 1994

Projector provided with a plurality of image generators

CANON KK23 citations93

US5285298AFeb 8, 1994

Color display apparatus

CANON KK31 citations93

US5268783ADec 7, 1993

Liquid crystal device including a polymer having a surface energy of at most 25 dyn/cm, display apparatus using same and display method using same

CANON KK48 citations93

US5258134ANov 2, 1993

Main chain-type chiral smectic polymer liquid crystal and polymer liquid crystal device

CANON KK27 citations93

US5120466AJun 9, 1992

Lactic acid derivative, liquid crystal composition containing same and liquid crystal device

CANON KK40 citations93

US4721367AJan 26, 1988

Liquid crystal device

CANON KK38 citations93

US4712872ADec 15, 1987

Liquid crystal device

CANON KK34 citations93

US6201616B1Mar 13, 2001

Method and apparatus for determining a predetermined pattern on an original based on visible and invisible information on the original

CANON KK27 citations92

US6078682AJun 20, 2000

Image processing apparatus and method, and image reading apparatus

CANON KK24 citations92

US5910386AJun 8, 1999

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge employing the same

CANON KK23 citations92

US5879847AMar 9, 1999

Electrophotographic photosensitive member, a process-cartridge inclusive thereof and an image forming apparatus

CANON KK20 citations92

US5834145ANov 10, 1998

Electrophotographic photosensitve member and image forming apparatus

CANON KK33 citations92

US5720898AFeb 24, 1998

Mesomorphic compound, liquid crystal composition and liquid crystal device

CANON KK24 citations92

US5384069AJan 24, 1995

Polymeric liquid crystal composition and liquid crystal device

CANON KK31 citations92

US5339306AAug 16, 1994

Detecting interferential diffraction of a reflected beam from a polymer liquid crystal recording medium

CANON KK32 citations92

US5123731AJun 23, 1992

Particle measuring device

CANON KK53 citations92

US5041369AAug 20, 1991

Photosensitive material and image forming method

CANON KK24 citations92

US5011623AApr 30, 1991

Nonlinear optical material and nonlinear optical device

CANON KK47 citations92

US4876027AOct 24, 1989

Optically active composition, mesomorphic compound and liquid crystal device

CANON KK27 citations92

US5905008AMay 18, 1999

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge employing the same

CANON KK34 citations91

US5066107ANov 19, 1991

Liquid crystal display medium, liquid crystal display method and liquid crystal display apparatus for outputting color images

CANON KK26 citations90

Showing the top 50 of 93 patents by PatentIndex Score.

YOSHINAGA KAZUO

Patents

Image reading device

Image reading device with offset faces for visible and non-visible light sensors

Invisible information recorded medium

Liquid crystal device, display apparatus using same and display method using same

Polymer liquid crystal device

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

Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film

Ferroelectric liquid crystal device having chiral smectic and nematic liquid crystal composition

Optically active compound, process for producing same and liquid crystal composition containing same

Photosensor with filter for cutting off the input of invisible information

Image forming apparatus and process cartridge having exposure device using light beam having specific spot area

Liquid crystal device, display apparatus using same and display method using same

Non-visualized information recording medium and apparatus for detecting the same

Image reading apparatus and image processing apparatus for reading optical information of visible and non-visible light

Electrophotographic apparatus and image forming method using a photosensitive member with exposure characteristics responsive to field intensity

Image reading and copying using plural illumination sources having different characteristics

Image processing apparatus for determining whether an image contains a particular pattern using invisible light

Scattering type liquid crystal device

Image reading apparatus, copying apparatus, image processing apparatus, and image processing method

Display method and apparatus using chiral smectic liquid crystal

Image forming method recording medium and visible image reproducing medium

Image processing apparatus having means for detecting non-visible light, and image processing method therefor

Liquid crystal device having a stretched porous polymer film impregnated with a low molecular weight mesomorphic compound

Display device having a mesomorphic diffraction grating layer adjacent a polymer dispersed layer

Image reading apparatus and copying apparatus having means for radiating visible and non-visible light, image processing apparatus having means for discriminating a specific orginal and image processing method therefor

Projector provided with a plurality of image generators

Color display apparatus

Liquid crystal device including a polymer having a surface energy of at most 25 dyn/cm, display apparatus using same and display method using same

Main chain-type chiral smectic polymer liquid crystal and polymer liquid crystal device

Fluid crystal device

Image forming medium and image forming apparatus using same

Recording with polymer liquid crystal recording medium

Liquid crystal device having a modified polyvinyl alcohol alignment layer

Lactic acid derivative, liquid crystal composition containing same and liquid crystal device

Liquid crystal device

Liquid crystal device

Method and apparatus for determining a predetermined pattern on an original based on visible and invisible information on the original

Image processing apparatus and method, and image reading apparatus

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge employing the same

Electrophotographic photosensitive member, a process-cartridge inclusive thereof and an image forming apparatus

Electrophotographic photosensitve member and image forming apparatus

Mesomorphic compound, liquid crystal composition and liquid crystal device

Polymeric liquid crystal composition and liquid crystal device

Detecting interferential diffraction of a reflected beam from a polymer liquid crystal recording medium

Particle measuring device

Photosensitive material and image forming method

Nonlinear optical material and nonlinear optical device

Optically active composition, mesomorphic compound and liquid crystal device

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge employing the same

Liquid crystal display medium, liquid crystal display method and liquid crystal display apparatus for outputting color images