Patents by Inventor Masayuki Kurematsu
Masayuki Kurematsu 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).
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Patent number: 4895786Abstract: In a processing method for silver halide color photosensitive material in which silver halide color photosensitive material is treated to produce a color dye image with a processing solution that has a fixing ability, and subsequently is not washed but treated with a washless stabilizing solution, the improvement comprising treating said silver halide color photosensitive material with a washless stabilizing solution that contains a triazinylstilbene optical brightening agent in the presence of an amount sufficient to stabilize the dye image and reduce staining of the photosensitive material of at least one compound represented by General Formula (I), (II), (II') or (II"): ##STR1##Type: GrantFiled: May 11, 1989Date of Patent: January 23, 1990Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4874530Abstract: Disclosed is a method for treating a photographic processing waste solution comprising concentrating the photographic processing waste solution containing at least thiosulfate ions, characterized in that there is provided at least one part selected from (i) to (v) shown below:(i) a part for adding sulfite ions or a compound capable of releasing sulfite ions into the photographic processing waste solution at the time or before heating of the photographic processing waste solution;(ii) a part for contact evaporated gas with a catalyst having a metal of the following (a) to (d) or a compound thereof carried thereon:(a) at least one selected from the group VIII elements consisting of iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium and platinum,(b) copper,(c) zinc,(d) manganese;(iii) a part for permitting a water-soluble polymer to exist;(iv) a part for permitting an oxidizing agent capable of oxidizing thiosulfate ions to exist; and(v) a part for adding a pH controlling agent into the photogrType: GrantFiled: November 27, 1987Date of Patent: October 17, 1989Assignee: KNICA CorporationInventors: Kazuhiro Kobayashi, Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto, Naoki Takabayashi
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Patent number: 4863837Abstract: In a method of processing a light-sensitive silver halide color photographic material, comprising color developing a light-sensitive silver halide color photographic material and thereafter processing it with a processing solution having fixing ability, followed by processing with a water-washing substitute stabilizing solution in a processing tank or tanks comprising 1 to 4 tanks, the improvement wherein said water-washing substitute stabilizing solution contains at least one of the compounds represented by Formula (I) shown below and at least one of nitrilotriacetic acid and the compounds represented by Formula (II) shown below and wherein said light-sensitive silver halide color photographic material is sensitized with at least one sensitizing dye represented by Formula (III) or Formula (IV) shown below: ##STR1## wherein R represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and M represents a hydrogen atom or an alkali metal atom; ##STR2## wherein A represents a carboxyl group or a hydType: GrantFiled: February 2, 1988Date of Patent: September 5, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4859575Abstract: Disclosed is a method for processing of a photographic material which comprises carrying out stabilizing processing of a photographic material with a stabilizing solution substantially without washing with water subsequent to the processing with a processing having fixing ability, wherein said stabilizing solution is subjected to electrodialysis treatment.Type: GrantFiled: August 24, 1988Date of Patent: August 22, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4855217Abstract: A processing method for silver halide color photosensitive material in which said silver halide color photosensitive material is treated with a processing solution that has a fixing ability, and then is not washed, but treated with a washless stabilizer solution, characterized in that said silver halide color photosensitive material is treated with said washless stabilizer in the presence of at least one compound among compounds represented by General Formula [1], [II], [II'], or [II"] shown below; and that said washless stabilizer contains more than 20 mg/l silver ion, and at least one aldehyde compound: ##STR1##Type: GrantFiled: March 18, 1988Date of Patent: August 8, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4845015Abstract: An image stabilizer for silver halide photographic materials which contains a water-soluble bismuth compound is disclosed. In a preferred embodiment, the stabilizer also contains a water soluble chelating agent capable of forming a bismuth complex or its salt having a stability constant (-log KMA) of 3 or more, said constant being represented by formula (I):KMA=([MA]/[M] [A]) (I)wherein M is a bismuth ion and A is a complex forming anion. By using this stabilizer, the processed dye image is kept stable over an extended period and the occurrence of yellow stain in the non-image area is inhibited. The stabilizer is applicable not only to color photographic materials but also to black-and-white materials.Type: GrantFiled: October 27, 1987Date of Patent: July 4, 1989Assignee: Konishiroku Photo Industry Co,., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4839682Abstract: An object of the invention is to provide a processing apparatus for handling a disk film unit consisting of a disk-shaped photographic film and a cartridge having light shielding structure for storing the film, wherein, before loading the disk film unit onto the processing apparatus, it is not required to carry out any preparatory operation, such as an operation that the disk film is taken out of the cartridge by using a light-shielded cartridge opener provided separately from the processing apparatus or a cartridge opener in a dark room.Type: GrantFiled: March 8, 1988Date of Patent: June 13, 1989Assignee: Konica CorporationInventors: Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu, Nobutaka Goto
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Patent number: 4797352Abstract: A method of processing an imagewise exposed silver halide photographic light-sensitive material characterized in that said material is developed and then processed with a first liquid capable of fixing and is, in succession, processed with a second liquid capable of stabilizing, without applying any intervening washing step, and containing at least one of the following compounds:(A) a guanidine compound represented by ##STR1## (B) a morpholine compound; (C) a benzimidazole carbamate compound represented by 2-carbonyl-amino-benzimidazole;(D) a quaternary onium salt compound;(E) a triazine compound represented by the following Formula (1) or (2) ##STR2## wherein R is an alkyl group and R' is a halogen, amino group, alkyl group, or thioether group; or(F) an oxazolone compound containing at least one each of N, O, and C.dbd.O in the five-membered ring thereof;and wherein a ratio of a volume of said first liquid to a volume of said second liquid is not less than 1/2,000.Type: GrantFiled: June 19, 1986Date of Patent: January 10, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Masayuki Kurematsu
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Patent number: 4780737Abstract: Disclosed is an automatic processing machine for a light-sensitive color photographic material, having a color developing tank as the formost tank of the processing tanks and a stabilizing tank as the last tank of the processing tanks, which comprises having a system for conveying a light-sensitive material which will not bring the stabilizing liquid components filled in the stabilizing tank into the color developing solution filled in the color developing tank.According to the automatic processing machine of the present invention, the technical task can be solved as a matter of course, and moreover no requirement for piping, no discharging of waste solutions of processing and its small size will result in exhibiting such effects that it can be installed on a floor of higher stage and also be moved, if necessary.Type: GrantFiled: November 6, 1987Date of Patent: October 25, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Kazuyoshi Miyaoka, Masayuki Kurematsu
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Patent number: 4778743Abstract: Disclosed is a method for processing a light-sensitive silver halide color photographic material, which comprises including at least the step of color developing, the step of processing with a liquor having fixing ability and the step of processing with a washing solution substitute as the final processing step, after imagewise exposure of a light-sensitive silver halide color photographic material containing at least one silver halide emulsion layer on a support, characterized in that at least one layer of the silver halide emulsion layer contains at least one coupler selected from the magenta couplers and the cyan couplers; washing solution substitute contains at least one compound selected from the group consisting of from 2.0.times.10.sup.-5 to 2.5.times.10.sup.-2 mol per liter of the washing solution substitute of the aldehydes, from 2.0.times.10.sup.-5 to 8.0.times.10.sup.-2 mol per liter of the washing solution substitute of the aldehyde derivatives and from 2.0.times.10.sup.-5 to 8.0.times.10.sup.Type: GrantFiled: April 27, 1987Date of Patent: October 18, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masao Ishikawa, Shigeharu Koboshi, Masayuki Kurematsu
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Patent number: 4769661Abstract: The main object of the invention is to provide a disk film developing apparatus which has a developing process section of non-light shielding construction having substantially no darkroom section and in which one or more disk films are developed while being accomodated in a cartridge.The photographic processing apparatus for the disk film according to the invention comprises a means for holding the cartridge containing the disk film therein, a means for supplying a processing solution into the cartridge, and a means for releasing the disk film from the cartridge. And, during the photographic processing, the disk film being contained in the cartridge can be rotated by a rotating means.Type: GrantFiled: December 29, 1986Date of Patent: September 6, 1988Assignee: Konishiroku Photo Industry, Co., Ltd.Inventors: Syozo Aoki, Shigeharu Koboshi, Masayuki Kurematsu, Masahiko Kon
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Patent number: 4764453Abstract: A method of processing a silver halide color photographic material is disclosed. This method comprises developing said photographic material, removing the residual image-forming silver, treating, in the substantial final stage of color processing, the material with an aqueous solution containing a compound which releases ammonium ions in the solution, thereafter drying the material at a temperature not lower than 30.degree. C., and adjusting the pH of the surface of the dried emulsion layer to between 3.0 and 6.8.Type: GrantFiled: June 12, 1986Date of Patent: August 16, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Masayuki Kurematsu
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Patent number: 4749642Abstract: A method for processing a light-sensitive silver halide color photographic material by processing a light-sensitive silver halide color photographic material with a processing solution having a fixing ability and subsequently processing the fixed material with a water washing-substitutive stabilizing solution substantially without carrying out washing with water, which comprises carrying out processing with the water washing-substitutive stabilizing solution which has been subjected to concentration regulating treatment in the presence of at least one of the compounds represented by the following formulae [I], [II], [II'] and [II"]: ##STR1##Type: GrantFiled: February 26, 1987Date of Patent: June 7, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4746598Abstract: A method of processing a light-sensitive silver halide color photographic material by processing a light-sensitive silver halide color photographic material wherein generation of stain can be suppressed at unexposed portions even when prolonged continuous processing is conducted and storage stability of the cyan dye under high temperature and high humidity is improved.Type: GrantFiled: February 26, 1987Date of Patent: May 24, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4738917Abstract: A method for processing a silver halide photographic material by processing a silver halide color photographic light-sensitive material containing at least a silver halide emulsion layer comprising a silver halide grain essentially consisting of silver chlorobromide and a binder having a swelling rate of T 1/2 of 2 sec. to 30 sec. The color developer contains a n-hydroxyalkyl-p-phenylenediamine derivative at a temperature not less than 30.degree. C. for a time not more than 150 sec. The time and temperature are effective to process the silver halide color photographic light-sensitive material without decreasing the stability of the resulting dye image.Type: GrantFiled: May 15, 1986Date of Patent: April 19, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Satoru Kuse, Kazuhiro Kobayashi, Masao Ishikawa, Masayuki Kurematsu
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Patent number: 4705379Abstract: An automatic processing machine for photography which performs developing processing of a photographic light-sensitive material automatically while replenishing a processing solution tank with a replenisher solution from a replenisher tank, wherein said replenisher tank comprises a means for circulating and stirring having a jetting section for jetting a processing solution in said replenisher tank to the vicinity of the solution surface in said replenisher tank.The automatic processing machine according to the present invention is capable of mixing and dissolving rapidly even a processing solution containing a poorly soluble alcohol to prepare a processing solution, without any need of a special and separate dissolving tank.Type: GrantFiled: April 3, 1985Date of Patent: November 10, 1987Assignee: Konishiroku Photo Ind. Co., Ltd.Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Kazuyoshi Miyaoka, Masayuki Kurematsu, Makoto Uchida
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Patent number: 4705377Abstract: Disclosed is an automatic processing machine for a light-sensitive color photographic material, having a color developing tank as the formost tank of the processing tanks and a stabilizing tank as the last tank of the processing tanks, which comprises having a system for conveying a light-sensitive material which will not bring the stabilizing liquid components filled in the stabilizing tank into the color developing solution filled in the color developing tank.According to the automatic processing machine of the present invention, the technical task can be solved as a matter of course, and moreover no requirement for piping, no discharging of waste solutions of processing and its small size will result in exhibiting such effects that it can be installed on a floor of higher stage and also be moved, if necessary.Type: GrantFiled: June 12, 1985Date of Patent: November 10, 1987Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Kazuyoshi Miyaoka, Masayuki Kurematsu
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Patent number: 4705378Abstract: An automatic processing machine for photography which performs developing processing of a photographic light-sensitive material automatically while replenishing a replenisher solution from a replenisher tank to a processing solution tank. A pipe having orifices therein is arranged approximately centrally in the replenisher tank. A vessel loading mouth capable of holding a processing agent kit vessel obliquely to the surface of the processing solution is provided at an upper opening portion of said replenisher tank.Type: GrantFiled: April 3, 1985Date of Patent: November 10, 1987Assignee: Konishiroku Photo Ind. Co., Ltd.Inventors: Kazuyoshi Miyaoka, Kazuhiro Kobayashi, Satoru Kuse, Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4618569Abstract: Disclosed is a method for processing of a photographic silver halide photographic material which comprises carrying out stabilizing processing of a photographic silver halide photographic material directly with a liquid stabilizer substantially without passing through the step of washing with water subsequent to the processing step having fixing ability, wherein processing is conducted while permitting the liquid stabilizer to contact an ion-exchange resin and/or at least a part of the overflow liquid of said liquid stabilizer after contacting the ion-exchange resin is used as the liquid stabilizer.Type: GrantFiled: April 10, 1985Date of Patent: October 21, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4596765Abstract: A photographic color forming agent composition comprising an aromatic primary amine color developing agent and materials (A), (B), and (C). Material A is a compound having an aromatic ring bearing two hydroxy groups in the ortho positions thereof. Material B is a hydroxyalkylidene-diphosphonic acid metal ion chelating agent. Material C is at least one metal salt selected from the group consisting of the water-soluble metal salts of magnesium, bismuth, aluminum, zinc, barium, or zirconium. The metal salt is present in an amount in mols equivalent to or more than the amount in mols of metal ion chelating agents of B.Type: GrantFiled: December 4, 1984Date of Patent: June 24, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi