Patents by Inventor Hideaki Naruse

Hideaki Naruse has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5126234
    Abstract: A method for processing a silver halide color photographic material, wherein the silver halide color photographic material having a layer containing at leasst one pyrazolone-based magenta coupler having a coupling releasing group represented by formula (I) and at least one compound represented by formula (II), (III), (IV) or (V) is processed with a color developing solution having a developing solution temperature of 36.degree. to 50.degree. C. and a developing solution pH of 10.3 to 12.0; ##STR1##R.sup.11 --Z.sub.2 (IV) ##STR2## wherein the substituents are as defined in the text of the specification.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: June 30, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Hiroshi Fujimoto, Yasuhiro Yoshioka
  • Patent number: 5120636
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein at least one of the silver halide emulsion layers contains at least one magenta coupler represented by the general formula (I) described below, at least one organic solvent having a high boiling point which has at least one ##STR1## bond in its molecule, wherein R.sub.13 represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group or an arylthio group, and at least one compound represented by the general formula (II) described below: ##STR2## wherein Za and Zb each represents ##STR3## or .dbd.N--; R.sub.1 and R.sub.2 each represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being released upon a coupling reaction with an oxidation product of an aromatic primary amine developing agent; when the Za-Zb bond is a carbon-carbon double bond, it may form a part of a condensed aromatic; and R.sub.1, R.sub.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: June 9, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Hideaki Naruse
  • Patent number: 5108876
    Abstract: A color photograph comprising a support having provided thereon at least one photographic layer, wherein said at least one photographic layer contains a storage stability improving compound which forms a chemically inert and substantially colorless compound by combining chemically with the oxidation product of an aromatic amine color developing agent remaining in said color photograph after color development processing.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: April 28, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Nobuo Seto, Osamu Takahashi, Hideaki Naruse
  • Patent number: 5070003
    Abstract: There is disclosed a method for processing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent. In the method a silver halide color photographic material having at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride and the total coating amount of silver of which is 0.75 g/m.sup.2 or below is processed, after exposure to light, with a color developer containing a specified amount of chloride ions and bromide ions. The silver halide color photographic material contains at least one of yellow couplers specified.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: December 3, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Kazuaki Yoshida
  • Patent number: 5068172
    Abstract: A silver halide color photographic material wherein at least one coupler selected from the group consisting of the compounds represented by the following general formulae (I) and (II), at least one compound represented by the following general formula (III) and at least one compound represented by the following general formula (IV) are included in the same layer, ##STR1## wherein the values of R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12, A and X are defined in the specification. The photographic materials disclosed exhibit outstanding image storage stability, a decreased occurrence of stain in unexposed portions and a decreased occurrence of color fading by light in their magenta image.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: November 26, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Masakazu Morigaki, Hideaki Naruse
  • Patent number: 5066575
    Abstract: The present invention relates to a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, which contains at least one nondiffusible pyrazolo(1,5-b)(1,2,4)triazole magenta coupler represented by the following general formula (I) in at least one of the silver halide emulsion layers in order to acquire high color formability and to produce a dye image excellent in hue: ##STR1## wherein R.sub.1 represents an alkyl group; R.sub.2 and R.sub.3 each represents a hydrogen atom or an alkyl group, provided that both are not a hydrogen atom; R.sub.4 represents an alkyl group, an alkoxy group or a halogen atom; L represents an alkylene group; m represents an integer of 0 to 5; n represents an integer of 0 to 5, and when n is 2 or more, the R.sub.4 's may be different from one another; and X represents a halogen atom.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: November 19, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tadahisa Sato, Osamu Takahashi, Hideaki Naruse, Yuki Mizukawa
  • Patent number: 5064751
    Abstract: A method for processing a silver halide color photographic material including the step of developing the silver halide color photographic material with a color developing solution containing at least one aromatic primary amine developing agent and at least one hydrazide represented by the following formula (I) or (II)R.sup.1 --X.sup.1 --NHNH--R.sup.2 (I)in whichX.sup.1 represents --CO--, --SO.sub.2 -- or ##STR1## R.sup.1 represents a hydroxyl group, a hydroxyamino group, carbamoyl group, a hydrazinocarbonyl group, an amino group, or a hydrazino group; and R.sup.2 represents a hydrogen atom, an alkyl group, or an aryl group; provided that the R.sup.1 or R.sup.2 groups of at least two of the hydrazide groups may be linked to form a dimer or higher polymer of the hydrazide.R.sup.3 --X.sup.2 --NHNH--R.sup.4 (II)in whichX.sup.2 represents --CO-- or --SO.sub.2 --; R.sup.3 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, or an aryloxy group; and R.sup.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: November 12, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobutaka Ohki, Kazuto Andoh, Hideaki Naruse, Hiroshi Fujimoto, Jiro Tsukahara, Morio Yagihara, Takatoshi Ishikawa
  • Patent number: 5041365
    Abstract: The present invention provides silver halide color photographic materials having a layer which contains at least one magenta color image-forming oleophilic coupler of the following formulae (I) and/or (II) and at least one of the following formula (III): ##STR1## in which Ar represents a phenyl group which is substituted by at least one substituent selected from the group consisting of a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group and a cyano group; Y represents an acylamino group or an anilino group; and Z.sub.1 represents a group capable of being removed by coupling, ##STR2## in which X represents a hydrogen atom or a substituent; Z.sub.2 represents a hydrogen atom or a group capable of being removed by coupling;W represents a hydrogen atom, an acyl group or an aliphatic or aromatic sulfonyl group;Za and Zb each represent a methine group, a substituted methine group or --N.dbd.; andX, Z.sub.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: August 20, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Nobuo Furutachi
  • Patent number: 5024924
    Abstract: A method for continuously processing a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer with a color developing bath which contains at least one primary aromatic amine color developing agent, wherein at least one compound represented by formular (I) is present in said silver halide emulsion layer in an amount of from 3 to 10 mol % per mol of coupler in the layer in which the compound is added, and said silver halide color photographic material is processed with said color developing bath where the replenishment rate is from 20 ml to 200 ml per square meter of the silver halide color photographic material processed ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: June 18, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Osamu Takahashi, Nobutaka Ohki, Michio Ono
  • Patent number: 4988613
    Abstract: A silver halide color photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer containing a color coupler, at least one layer of the material containing a compound represented by formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents hydrogen, a halogen atom, a sulfo group, a carboxyl group, a cyano group, an alkyl group, an aryl group, an acylamino group, a sulfonamido group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an acyloxy group, a sulfonyl group, a carbamoyl group, an alkoxycarbonyl group or a sulfamoyl group; provided that R.sup.1 and R.sup.2, or R.sup.4 and R.sup.5 may each be linked to form a carbon ring or a heterocyclic ring; and Z represents a single bond or a divalent linking group.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: January 29, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobutaka Ohki, Hideaki Naruse, Satoshi Nagaoka, Kouichi Hanaki
  • Patent number: 4983507
    Abstract: The present invention provides silver halide color photographic materials having a layer which contains at least one magenta color image-forming oleophilic coupler of the following formulae (I) and/or (II) and at least one of the following formula (III): ##STR1## in which Ar represents a phenyl group which is substituted by at least one substituent selected from the group consisting of a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group and a cyano group; Y represents an acylamino group or an anilino group; and Z.sub.1 represents a group capable of being removed by coupling, ##STR2## in which X represents a hydrogen atom or a substituent; Z.sub.2 represents a hydrogen atom or a group capable of being removed by coupling;W represents a hydrogen atom, an acyl group or an aliphatic or aromatic sulfonyl group;Za and Zb each represent a methine group, a substituted methine group or --N.dbd.; andX, Z.sub.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: January 8, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Nobuo Furutachi
  • Patent number: 4939072
    Abstract: A color photograph comprising a support having provided thereon at least one photographic layer, wherein said at least one photographic layer contains a storage stability improving compound which forms a chemically inert and substantially colorless compound by combining chemically with the oxidation product of an aromatic amine color developing agent remaining in said color photograph after color development processing.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: July 3, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Nobuo Seto, Osamu Takahashi, Hideaki Naruse
  • Patent number: 4923783
    Abstract: A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid layer containing at least one high boiling point organic solvent and at least one substantially water-insoluble photographically useful reagent both dispersed therein, wherein at least one of the high boiling point organic solvents is a compound represented by formula (I):(ArCOO).sub.n --L (I)(the symbols of which are described herein).By incorporation of a compound of formula (I), reductive fading of cyan dyes formed in the material due to heat, moisture is minimized.A method of processing the silver halide photographic material as imagewise exposed with a color developer containing substantially no benzyl alcohol is also disclosed.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: May 8, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hidetoshi Kobayashi, Hideaki Naruse
  • Patent number: 4851325
    Abstract: A process for processing silver halide color photographic materials, which comprises processing, after image-wise exposure, a silver halide color photographic material with a color developer containing an aromatic primary amine color developing agent and a compound represented by the following general formula (I): ##STR1## wherein n represents an integer of at least 1; R represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group or the n-valent groups corresponding to the groups when n represents an integer of at least 2; and A represents an organic group containing a carbon atom, an oxygen atom, a nitrogen atom, or a sulfur atom and forms a saturated or unsaturated 3- to 8-membered ring with the nitrogen atom, said A is substituted or unsubstituted and may be condensed with a benzene ring or a heterocyclic ring.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: July 25, 1989
    Assignee: Fuji Photo Film Co., Inc.
    Inventors: Kiyoshi Morimoto, Hideaki Naruse
  • Patent number: 4801521
    Abstract: A method for processing a silver halide color photographic material comprising the step of processing a silver halide color photographic material after imagewise exposure thereof with a color developer containing at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R.sup.1 and R.sup.2 may be linked to form a heterocyclic ring; R.sup.3 and R.sup.4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R.sup.1, R.sup.2, R.sup.3, and R.sup.4.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: January 31, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobutaka Ohki, Nobuo Seto, Hideaki Naruse, Morio Yagihara, Kazuto Andoh, Takatoshi Ishikawa, Hiroshi Fujimoto
  • Patent number: 4783394
    Abstract: A color image forming process is described, which comprises developing an imagewise exposed silver halide color photographic material with a color developer containing an aromatic primary amine developing agent and being substantially free of benzyl alcohol for a period of up to about 2 minutes and 30 seconds, wherein the silver halide color photographic material comprises a reflective support having thereon a blue-sensitive silver halide emulsion layer containing a yellow color-forming coupler, a green-sensitive silver halide emulsion layer contaning a magenta color-forming coupler, and a red-sensitive silver halide emulsion layer containing a cyan color-forming coupler in this order, the material further containing light-insensitive hydrophilic colloid layers between the blue-sensitive silver halide emulsion layer and the green-sensitive silver halide emulsion layer and between the green-sensitive silver halide emulsion layer and the red-sensitive silver halide emulsion layer and at least one light-insensit
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: November 8, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Hirose, Kiyoshi Nakazyo, Hideaki Naruse
  • Patent number: 4770987
    Abstract: A silver halide color photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer having dispersed therein lipophilic fine particles containing an image dye forming lipophilic coupler, wherein the lipophilic fine particles further contain at least one lipophilic compound having a water-solubility of not more than 1% by weight at 25.degree. C. and represented by formula (I):R.sub.0 SO.sub.2 X (I)wherein R.sub.0 represents a substituted or unsubstituted alkyl, aryl or heterocyclic group having 8 or more total carbon atoms; and X represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, a nitrogen-containing organic base, ammonium or a group represented by formula (A): ##STR1## wherein R.sub.1 represents a hydrogen atom or a substituted or unsubstituted alkyl, aryl or heterocyclic group; R.sub.2 represents a hydrogen atom, a halogen atom or a substituted or unsubstituted alkyl, aryl, acyloxy or sulfonyl group; and R.sub.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: September 13, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Tadahisa Sato
  • Patent number: 4704350
    Abstract: A silver halide color photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer having dispersed therein lipophilic fine particles containing a certain type of lipophilic pyrazoloazole coupler, and said lipophilic fine particles further contain at least one lipophilic mercapto compound represented by formula (II)R--SH (II)wherein R represents a substituted or unsubstituted alkyl, alkenyl, or aryl group, and said compound of formula (II) has a water solubility of not more than 1% by weight at 25.degree. C.The material is prevented from forming color stain caused by processing solution components that become incorporated into the materials during development processing.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: November 3, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Nobutaka Ohki, Osamu Takahashi, Hideaki Naruse
  • Patent number: H851
    Abstract: A silver halide color photographic material which contains at least one coupler represented by the general formula (I) or (II-A) and at least one compound represented by the following general formula (III) in the same light-sensitive silver halide layer: ##STR1## wherein R.sub.1 represents an alkyl group, an aryl group, or a heterocyclic group; R.sub.2 represents a hydrogen atom, or a substituent group; and X represents a hydrogen atom, or a coupling-off group; ##STR2## wherein R represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an oxy radical, or a hydroxyl group; R.sub.3, R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, each represents a hydrogn atom, or an alkyl group; and A represents a nonmetallic atomic group necessary for forming a 5-, 6- or 7-membered ring; provided that R.sub.3 may be linked with R.sub.4, R.sub.5 may be linked with R.sub.6, R may be linked with R.sub.3, or R.sub.3 may be linked with A to form a 5- or 6-membered ring.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: November 6, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Masakazu Morigaki, Nobuo Seto