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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hirai; Hiroyuki
Address:
Kanagawa, JP
No. of patents:
76
Patents:


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Patent Number Title Of Patent Date Issued
8247241 Method for detecting target compound August 21, 2012
According to an aspect of the invention, there is provided a method for detecting a target compound including: injecting a test liquid containing a target compound into a colloid solution of magnetic nano-particles having an average particle diameter of 50 nm or less to allow the target
7651782 Method for producing metallic nanoparticles, metallic nanoparticles, and dispersion of the same January 26, 2010
The present invention provides a method for producing metallic nanoparticles, which includes reacting a copper compound with a hydrazine reducing agent in an organic solvent in the presence of a precious metal compound, wherein the precious metal compound is a compound containing at
7556856 Fine particle composition and light-shielding film using the same July 7, 2009
The present invention provides a light-shielding film arranged in a display device and shading a part of a display screen as a part of a color filter, which film includes fine metallic compound particles having an average particle diameter of 60 to 3000 nm and a high-molecular-weight
6607845 Optical recording medium and optical recording method August 19, 2003
A rewritable or write-once medium with increased recording density and sensitivity is disclosed, the medium having at least a first dielectric layer, a recording layer and a second dielectric layer in this order on a substrate, wherein at least one of the first and second dielectric laye
6232050 Method for forming color image May 15, 2001
Disclosed is a method for forming a color image comprising exposing a color photographic material, wherein the color photographic material comprises a support having provided thereon at least (1) a photosensitive layer capable of forming a yellow image by imagewise exposure and processin
5885736 Preparation method of color filter using a silver halide light sensitive material March 23, 1999
A silver halide light-sensitive material for color filter is disclosed, comprising a support having provided thereon at least three silver halide emulsion layers containing couplers and having color sensitivities different from each other and at least light-insensitive interlayer, wh
5856063 Image forming method January 5, 1999
An image forming method comprising the steps of: (i) imagewise exposing a silver halide light-sensitive material comprising a support having thereon at least a light-sensitive silver halide emulsion, a hydrophilic binder and a slightly water-soluble basic metal compound; (ii) laminating
5776643 Light-sensitive material for color filter and process for producing color filter using the same July 7, 1998
A light-sensitive material for a color filter is described, which comprises a support having provided thereon a peeling layer and further provided thereon at least three silver halide emulsion layers which are different in color sensitivity. A process for producing a color filter is also
5736293 Image forming method April 7, 1998
An image forming method comprising the steps of:(a) superposing a heat development photosensitive material on a sheet after or simultaneously with imagewise exposing the heat development photosensitive material, wherein the photosensitive material comprises a support having thereon at le
5725990 Image formation method March 10, 1998
An image formation method comprising imagewise exposing a silver halide light-sensitive material comprising a support having thereon a light-sensitive silver halide, a binder, a slightly water soluble basic metal compound, and a dye composition which is decolorized or discolored on h
5700622 Platemaking process with heat developable silver salt diffusion transfer December 23, 1997
A process for simply and rapidly producing a lithographic printing plate is disclosed, which comprises image-wise exposing a silver halide photosensitive material comprising a substantially water-insoluble basic metal compound and optionally having a physical-development nucleus layer
5677104 Image formation method October 14, 1997
An image formation method is described, which comprises overlaying a silver halide light-sensitive material with a sheet after or during imagewise exposure, the light-sensitive material comprising a support having provided thereon at least a light-sensitive silver halide mainly compr
5576127 Color filter and process for producing the color filter November 19, 1996
A process for producing a color filter is disclosed, which comprises the steps of (a) pattern-exposing a light-sensitive material comprising a light-transmitting substrate having thereon at least three silver halide emulsion layers, and (b) subjecting the exposed light-sensitive material
5571663 Silver halide light-sensitive material and color filter November 5, 1996
A silver halide light-sensitive material comprising a support having thereon at least four silver halide emulsion layers having different color sensitivity, wherein three layers of the silver halide emulsion layers each contains a specific coupler and the other silver halide emulsion
5478693 Diffusion transfer heat-developable color photographic light-sensitive material and process for December 26, 1995
The present invention provides a diffusion transfer heat-developable color photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and a nondiffusing dye-providing compound which releases or forms a diffusive
5236803 Color light-sensitive material with hydroquinone reducing agent August 17, 1993
A color light-sensitive material comprising a support having thereon at least one light-sensitive layer containing light-sensitive silver halide, and further comprising in the at least one light-sensitive layer or any other layer, independently, a binder, a reducible dye-providing compou
5223387 Color photographic light-sensitive material containing a naphthyl azo dicyano halo phenyl compou June 29, 1993
A color light-sensitive material comprising a support provided thereon at least one light-sensitive silver salt layer combined with an image forming compound represented by formula (I) ##STR1## wherein Dye represents a cyan dye group or a precursor thereof represented by formula
5206131 Diffusion transfer type silver halide color photosensitive materials April 27, 1993
A diffusion transfer-type silver halide color photographic photosensitive material comprising a support, having thereon at least a photosensitive thermally developable silver halide, a binder, a dye donating compound which is fast to diffusion and which forms or releases a diffusible dye
5202225 Silver halide photographic materials with redox releasers containing nucleophilic groups April 13, 1993
Disclosed is a silver halide photographic material comprising a support, having thereon at least one silver halide emulsion layer, wherein there is contained in the silver halide emulsion layer or other hydrophilic colloid layer a compound of which an oxidized form is produced in accorda
5192639 Light-sensitive material containing silver halide, reducing agent, polymerizable compound and ch March 9, 1993
A light-sensitive material comprises a support and a light-sensitive layer provided thereon. The light-sensitive layer contains silver halide, a reducing agent and an ethylenically unsaturated polymerizable compound. According to the present invention, the light-sensitive layer further
5164277 Light-sensitive material containing silver halide, reducing agent and polymerizable compound November 17, 1992
A light-sensitive material comprises a support and a light-sensitive layer provided thereon. The light-sensitive layer contains silver halide, a reducing agent and a polymerizable compound. In the light-sensitive material of the present invention, the polymerizable compound is a (met
5139919 Heat-developable color photographic materials with combination of electron transfer agent and pr August 18, 1992
A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, a binder, at least one of an electron-donating agent and a precursor thereof, a reducible dye-forming compound which releases a diffusible dye by reduction and an
5093229 Heat developable light-sensitive material containing an amidine based precursor March 3, 1992
A heat developable light-sensitive material comprising a support having thereon at least one layer containing a base precursor, a lgiht-sensitive silver halide, a binder, and a dye-providing substance which produces or releases a diffusible dye in correspondence or countercorrespondence
5051349 Heat developable color photosensitive material with saccharide September 24, 1991
A heat developable color photographic material is disclosed, comprising a support having thereon at least a photosensitive silver halide, a binder, and a dye providing compound capable of releasing or forming a diffusible dye in correspondence or counter-correspondence to reduction of th
5032487 Color light-sensitive material July 16, 1991
A color light-sensitive material comprising at least light-sensitive silver halide, a binder, a reducible dye providing compound and a reducing agent represented by the following formula (I). ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a halogen atom, an
5026634 Color light-sensitive material June 25, 1991
A color light sensitive material which provides a positive dye image having high density, good color reproducibility and which exhibits excellent preservability before use. The material comprises a support having provided thereon a light-sensitive silver halide, a binder, a reducible
4980265 Color photosensitive material and process for producing image using same December 25, 1990
A color photosensitive material and a process for producing an image using such a material are disclosed. The color photosensitive material comprises a support having thereon a silver halide and a dye releasing compound represented by formula (A). ##STR1## wherein Ar and Ar', whi
4968598 Heat developable color light-sensitive material November 6, 1990
A heat developable color light-sensitive material comprising a support having thereon at least light-sensitive silver halide, a reducing agent and/or a reducing agent precursor, a binder, a dye providing substance which releases a mobile dye in counter-correspondence to a latent image
4880725 Color image forming process utilizing substantially water-insoluble basic metal compounds and co November 14, 1989
A color image is formed by imagewise exposing a color photosensitive material comprising at least a silver halide and a coupler and subjecting the material to intensified development with a processing solution containing a reducing agent and an intensifier. A substantially water-inso
4880723 Photographic silver halide photosensitive material November 14, 1989
A photographic silver halide photosensitive material is provided comprising a substantially water-insoluble basic metal compound and a water-soluble salt of the same metal ion as the basic metal compound which inhibits dissolution of the basic metal compound. An image is formed by combin
4876171 Silver salt diffusion transfer with complexing compound October 24, 1989
A photographic image is formed on an image-receiving material by imagewise exposing a silver halide photosensitive material, placing the exposed material on an image-receiving material, and subjecting the assembly to silver salt diffusion transfer in the presence of a reducing agent, a
4839272 Heat-developable photosensitive material June 13, 1989
A heat-developable photosensitive material comprising (1) a silver halide emulsion, (2) a reducing agent, and (3) a binder on a support can be quickly heat developed to produce images having a high density and less fog by using the silver halide emulsion comprising an emulsion of silver
4820622 Heat development image forming method April 11, 1989
An image is formed by imagewise exposing a heat-developable photosensitive material comprising (a) a photosensitive silver halide, (b) a reducing agent or a precursor thereof, (c) a dye-providing substance which forms or releases a diffusible dye in proportion or counter-proportion to th
4801961 Image forming apparatus January 31, 1989
An image forming apparatus for obtaining a dye image on an image receiving material by applying an image forming solvent to a heat development photosensitive material and/or the image receiving material comprises: a solvent application device for applying the solvent to the heat deve
4791048 Color image forming process utilizing substantially water-insoluble basic metal compounds and co December 13, 1988
A color image is formed by subjecting a silver halide photosensitive material comprising at least a photosensitive silver halide, a two equivalent coupler, a binder, and a substantially water-insoluble basic metal compound on a support, to development with a processing solution compr
4782004 Method for developing a heat-developable photosensitive material comprising a dye providing comp November 1, 1988
A heat-developable photosensitive material comprising at lesat (1) a photosensitive silver halide, (2) a binder, (3) a dye-providing substance, and (4) a specific reducing agent other than commonly used reducing agents for silver halide on a support can be heat developed to produce image
4775613 Heat-developable light-sensitive material October 4, 1988
A heat-developable light-sensitive material comprising a support having thereon at least one layer containing a light-sensitive silver halide, a reducing agent, a binder and an acetylene silver compound.The heat-developable light-sensitive material which contains the novel organic silver
4772544 Heat-developable photographic material September 20, 1988
A heat-developable photographic material is disclosed wherein the photographic material comprising at least one of an acid or a salt thereof having an acid dissociation constant pKa of 7 or less.
4764458 Heat developable light-sensitive material August 16, 1988
A heat developable light-sensitive material is disclosed. The material comprises a support having provided thereon at least a light-sensitive silver halide, a reducing agent, a binder and an organic silver salt of the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom o
4761361 Method for forming an image employing acetylene silver compounds August 2, 1988
A method for forming an image comprising heating a light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a dye providing substance, a binder, and an acetylene silver compound, simultaneously with or after imagewise exposure thereof in the
4758503 Heat developable light-sensitive material July 19, 1988
A heat developable light-sensitive material containing a compound represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl g
4745043 Heat development method for forming an image using intensifying agents May 17, 1988
A method for forming an image, which comprises heating a light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder, and a dye providing substance simultaneously with or after imagewise exposure thereof in the presence of water, a redu
4740445 Image forming process April 26, 1988
A color image is formed in an image forming reaction system comprising a photographic heat-developable silver halide light-sensitive material by reacting a difficultly soluble metal compound, for example, calcium carbonate with a compound capable of water-mediated complexing reaction
4740363 Alkali generating process April 26, 1988
Alkali is generated from two neutral parts by reacting a complexing agent such as sodium picolinate in one part with a slightly water-soluble metal compound such as zinc oxide in the other part in the presence of water.
4731321 Heat developable light-sensitive material March 15, 1988
A heat developable light-sensitive material comprising a support having thereon at least one light-sensitive layer wherein at least one layer comprises a compound represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or differen
4716100 Heat developable light-sensitive material December 29, 1987
A heat developable light-sensitive material containing a novel base precursor (I), which is stable during storage and rapidly decomposes to release a basic component upon heating higher than a certain temperature, has excellent storability and provides an image having a good image qu
4705737 Heat developable photographic materials November 10, 1987
A heat developable photographic material comprising a support having thereon at least a photosensitive silver halide, a binder, and at least on of base precursors represented by following formula (I) or (II): ##STR1## wherein R represents an alkyl group, an alkylene group, an aryl gr
4704345 Heat development in presence of water November 3, 1987
A method of forming an image comprising heating a light-sensitive material having at least a light-sensitive silver halide, a binder and a dye releasing redox compound which is capable of reducing the light-sensitive silver halide and is capable of reacting with the light-sensitive silve
4668615 Heat developable light-sensitive material May 26, 1987
A heat developable light-sensitive material containing a compound represented by the general formula (I):wherein ar represents an aryl group or a heterocyclic group; R represents a substituent other than an aryl group and a heterocyclic group; Ar and R may be bonded in a part thereof to
4668612 Heat-developable color photosensitive material May 26, 1987
A novel heat-developable color photosensitive material containing at least a light-sensitive silver halide, a binder, a dye providing substance capable of forming or releasing a diffusible dye by an oxidation-reduction reaction under heat and a transition metal ion, on a support.The pres
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