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: 5254442Abstract: A method of processing silver halide color photographic material is disclosed. The process comprises a step of color development, a step of processing with a processor having a bleaching power and a step of stabilization, wherein an air-time ratio at a step of color development, or a step of processing with a processor having a bleaching power is 15 to 65%.Type: GrantFiled: January 8, 1991Date of Patent: October 19, 1993Assignee: Konica CorporationInventors: Satoru Kuse, Sigeharu Koboshi, Masayuki Kurematsu
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Patent number: 5206119Abstract: Disclosed is a method of processing a light-sensitive silver halide color photographic material subjected to imagewise exposure, substantially through a color developing step, a bleach-fixing step and a stabilizing step in this order, wherein at least one layer of the light-sensitive silver halide color photographic material comprises a silver halide containing not less than 80 mol % of silver chloride, the washing-substitutive stabilizing step is carried out in a processing time of not more than 45 seconds, and a washing-substitutive stabilizing solution used in the washing-substitutive stabilizing step has a salt concentration of at least 1,000 ppm. Disclosed are also a washing-substitutive stabilizing solution and a kit of a stabilizer used for the method of this invention.Type: GrantFiled: July 1, 1992Date of Patent: April 27, 1993Assignee: Konica CorporationInventors: Satoru Kuse, Shigeharu Koboshi, Masayuki Kurematsu, Masao Ishikawa
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Patent number: 5180656Abstract: A method of processing a silver halide color photographic light-sensitive material and a bleach-fixer applicable in the method are disclosed. The method comprises a step for developing the light-sensitive material with a color developer, and a step for bleach-fixing the developed light-sensitive material with a bleach-fixer. The light-sensitive material contains at least one silver halide emulsion layer comprising silver halide grains having a silver chloride content of not less than 80 mol %; the bleach-fixer contains a ferric organic acid complex in an amount of not less than 0.2 mol per liter and silver halide fixing agent in an amount of not less than 0.7 mol per liter; and the step for treating with the bleach-fixer is performed for a time of not more than 30 seconds. Bleach-fixing process can be performed stably and rapidly without formation of reticulation and staining on edge portion of the light-sensitive.Type: GrantFiled: October 31, 1990Date of Patent: January 19, 1993Assignee: Konica CorporationInventors: Hiroaki Kobayashi, Shigeharu Koboshi, Masayuki Kurematsu, Masao Ishikawa
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Patent number: 5118591Abstract: The present inventions relate to a processing method for processing, with a developing time of not more than 180 seconds, a silver halide color photographic light-sensitive material comprising a support, provided thereon, with at least one silver halide emulsion layer, and at least one emulsion layer containing silver iodo-bromide with not less than 0.5 mole % of silver iodine, in particular to an active processing method wherein, a light-sensitive material B not only containing silver iodo-bromide with an iodine content of not less than 0.5 mole % but also a magenta coupler and providing a maximum magenta density, after exposed, and being capable of only satisfying the maximum magenta dye density M of M<2.0 if exposed under specific conditions and then subjected to color developing of a duration of three minutes 15 seconds at 38.degree. C. with a specific developer solution, is capable of offering a maximum magenta density satisfying M.gtoreq.2.Type: GrantFiled: January 25, 1991Date of Patent: June 2, 1992Assignee: Konica CorporationInventors: Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu, Moeko Hagiwara
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Patent number: 5057191Abstract: A disposal device for photographic processing waste liquor which concentrates the photographic process waste liquor by evaporation. The disposal device has a gas detecting device for detecting gas which may be generated during the evaporation of the waste liquor and a control device for stopping the evaporation based on the detection of a concentration of a specific gas. The processing method for photographic waste liquor involves evaporating the waste liquor to concentrate it and detecting gases which are generated during the evaporation process. When the concentration of a specific gas reaches a certain level, the evaporation step is halted.Type: GrantFiled: March 20, 1990Date of Patent: October 15, 1991Assignee: Konica CorporationInventors: Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto, Naoki Takabayashi
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Patent number: 5043756Abstract: Disclosure is an automatic processing apparatus for processing a silver halide photosensitive material with a processing agent, comprising; a processing tank for containing the processing agent, conveyance rollers for conveying the photosensitive material through the processing tank, and a sealing device for preventing the processing agent in the processing tank from coming into contact with air, wherein the processing tank has a tube shape.Type: GrantFiled: November 9, 1989Date of Patent: August 27, 1991Assignee: Konica CorporationInventors: Naoki Takabayashi, Shigeharu Koboshi, Nobutaka Goto, Masayuki Kurematsu
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Patent number: 5032494Abstract: Disclosed is a method of processing a light-sensitive silver halide color photographic material comprising; subjecting to exposure a light-sensitive silver halide color photographic material comprising a support; a light-sensitive silver halide emulsion layer containing at least one of a core/shell silver halide grain containing 3.0 mole % or more of silver iodide and a tabular silver halide grain containing 3.0 mole % or more of silver iodide; and a compound capable of releasing at a developing processing a restrainer or restrainer precursor which forms silver salt having the solubility product with a silver ion, of 1.times.10.sup.-9 or less, and thereafter; carrying out a color developing processing by using a color developing solution containing an aromatic primary amine type color developing agent, for a period of 120 seconds or less and so as to have a value of (developed silver amount at the maximum density portion)/(total silver amount), of 0.5 or less.Type: GrantFiled: August 17, 1990Date of Patent: July 16, 1991Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi, Syozo Aoki, Masahiko Kon
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Patent number: 5023644Abstract: The invention provides an apparatus for developing a photographic material having an emulsion surface thereon. The apparatus includes a processing tank for storing processing solution therein; a conveying rack, disposed in said processing tank, for conveying a photographic material downwardly so that a photographic material is introduced in the processing solution and for conveying a photogrpahic material upwardly so that a photographic material is delivered from the processing solution, wherein an emulsion surface of a photographic material being conveyed downwardly is arranged to face an emulsion surface of a photographic material being conveyed upwardly; and an agitator, disposed between the downwardly conveyed photographic material and the upwardly conveyed photographic material, for agitating the processing solution.Type: GrantFiled: November 13, 1989Date of Patent: June 11, 1991Assignee: Konica CorporationInventors: Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto
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Patent number: 5011571Abstract: A method of treating photographic process waste liquor through concentration by evaporation, including heating under reduced pressure an upper part of photographic process waste liquor to concentrate by evaporation the photographic process waste liquor in such a manner that a difference in temperature may be given between the temperature of the photographic process waste liquor in the vicinity of the heated part and the temperature at a bottom part of the photographic process waste liquor, and causing a solute in the photographic process waste liquor to settle.Type: GrantFiled: January 8, 1990Date of Patent: April 30, 1991Assignee: Konica CorporationInventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Nobutaka Goto, Masayuki Kurematsu, Naoki Takabayashi
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Patent number: 5004522Abstract: A method of treating photographic process waste liquor through concentration by evaporation, including heating an upper part of photographic process waste liquor to concentrate by evaporation the photographic process waste liquor in such a manner that the difference between the temperature of the photographic process waste liquor in the vicinity of the heated part and the temperature at a bottom part of the photographic process waste liquor may become 5.degree. C. or more, and causing a solute in the photographic process waste liquor to settle.Type: GrantFiled: December 20, 1989Date of Patent: April 2, 1991Assignee: Konica CorporationInventors: Shigeharu Koboshi, Kazuhiro Kobayashi, Nobutaka Goto, Masayuki Kurematsu, Naoki Takabayashi
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Patent number: 4987438Abstract: A photosensitive material developer for developing a photosensitive material comprising a processor for developing the photosensitive material with a developer in a developer tank which is filled with the developer so that the developer is insulated from air.Type: GrantFiled: June 22, 1989Date of Patent: January 22, 1991Assignee: Konica CorporationInventors: Nobutaka Goto, Shigeharu Koboshi, Masayuki Kurematsu, Tomonori Kawamura
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Patent number: 4985118Abstract: A method for treating photographic process waste liquor by evaporation to concentrat the waste liquor. The method includes evaporating with a heating device which has a heat density of about 17.2 kcal/cm.sup.2 or less; and intermittently feeding the waste liquor to maintain a predetermined liquid level in the vessel. By controlling the heating and/or the liquid level in the evaporation vessel, odors are controlled while efficiency is maintained.Type: GrantFiled: April 23, 1990Date of Patent: January 15, 1991Assignee: Konica CorporationInventors: Masayuki Kurematsu, Shigeharu Koboshi, Kazuhiro Kobayashi, Naoki Takabayashi
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Patent number: 4983503Abstract: There are disclosed a method for processing a light-sensitive silver halide color photographic material by subjecting a light-sensitive silver halide color photographic material after color developing to bleach-fixing processing, characterized in that the light-sensitive silver halide color photographic material contains at least one cyan coupler represented by the formula (A), (B) or (C) as specified in the specification, or contains at least one magenta coupler represented by the formula (M-1), the bleach-fixing processing step is a step which is a counter-current system uses two or more tanks of continuous bleach-fixing tanks, and the silver concentration in the bleach-fixing solution in a final tank of the bleach-fixing tanks is maintained at 80% or lower of the silver concentration in a bleach-fixing solution in a first tank, and a method for processing a light-sensitive silver halide color photographic material by subjecting a light-sensitive silver halide color photographic material after color developType: GrantFiled: February 26, 1990Date of Patent: January 8, 1991Assignee: Konica CorporationInventors: Masao Ishikawa, Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu
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Patent number: 4959122Abstract: An apparatus for treating a photographic process waste liquor in which the photographic process waste liquor stored in an evaporating device is heated and concentrated by evaporation with use of a heating device provided in the evaporating device, in that the evaporating device is provided with a precipitate separating device capable of separating a precipitate generated in a concentrated liquid to be formed through concentration by evaporation; a circulation system to feed again the concentrated liquid to the evaporating device through the precipitate separating device; and a discharging device for discharging the precipitate separated at the precipitate separating device.By use of the apparatus for treating photographic process waste liquor, thermal decomposition of the precipitate generated by concentration by evaporation of the photographic process waste liquor and generation of bad odor can be inhibited.Type: GrantFiled: October 26, 1988Date of Patent: September 25, 1990Assignee: Konica CorporationInventors: Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto, Naoki Takabayashi
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Patent number: 4941006Abstract: An automatic developing apparatus suitable for processing an imagewise exposed disk film and a method using the apparatus are disclosed. The developing apparatus has a temperature controlling means for maintaining the temperature of processing solutions within a predetermined range with a means for automatically initiating the operation of said temperature controlling means after the main switch of the apparatus is turned on and either a predetermined amount of the processing solution is supplied into said bath or the liquid surface of the processing solution in said bath is at reaches a predetermined level.Type: GrantFiled: February 15, 1989Date of Patent: July 10, 1990Assignee: Konica CorporationInventors: Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto, Masayuki Naoi, Yasuhiro Fujisawa
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Patent number: 4939073Abstract: A method of stabilizing a light-sensitive silver halide color photographic material. A developed silver halide color photographic material is contacted, subsequent to a processing step in a bleach-fixing bath or a fixing bath and substantially accompanied by no washing step, at the last stage of color processing with a dye stabilizing solution adjusted to a pH value between 3.0 and 9.0 and containing a soluble complex salt of an iron ion obtained by reacting an iron ion with a compound selected from the group consisting of ##STR1## The soluble complex salt of an iron ion is present in the dye stabilizing solution at a concentration of at least 1.times.10.sup.-4 mol/l.Type: GrantFiled: October 6, 1989Date of Patent: July 3, 1990Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeharu Koboshi, Masayuki Kurematsu
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Patent number: 4937178Abstract: The present inventions relate to a processing method for processing, with a developing time of not more than 180 seconds, a silver halide color photographic light-sensitive material comprising a support, provided thereon, with at least one silver halide emulsion layer, and at least one emulsion layer containing silver iodo-bromide with not less than 0.5 mole% of silver iodine, in particular to an active processing method wherein, a light-sensitive material B not only containing silver iodo-bromide with an iodine content of not less than 0.5 mole% but also a magenta coupler and providing a maximum magenta density, after exposed, and being capable of only satisfying the maximum magenta dye density M of M<2.0 if exposed under specific conditions and then subjected to color developing of a duration of three minutes 15 seconds at 38.degree. C. with a specific developer solution, is capable of offering a maximum magenta density satisfying M.gtoreq.2.Type: GrantFiled: March 7, 1988Date of Patent: June 26, 1990Assignee: Konica CorporationInventors: Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu, Moeko Hagiwara
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Patent number: 4933698Abstract: An automatic developing machine for a disk film comprises, a passage of a cartridge or the disk film, a sensor to detect whether the cartridge or the disk film exists in a portion of the passage or not, and means for controlling operation of the machine according to a signal sent from the sensor. The automatic developing machine mentioned above further comprises a cartridge opener, and the sensor detects whether the disk film has been taken out from the cartridge by the cartridge opener or not.Type: GrantFiled: January 26, 1989Date of Patent: June 12, 1990Assignee: Konica CorporationInventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: 4914008Abstract: There is disclosed a processing method of a light-sensitive silver halide color photographic material comprising, in a method of processing a light-sensitive silver halide color photographic material with a bleach-fixing solution after color developing, and successively with a stabilizing solution substituted for water washing, said bleach-fixing solution contains as main components an organic acid ferric complex salt with which a molecular weight of a free acid being not more than 280, a thiosulfate and a sulfite, and a processing time by said stabilizing solution substituted for water washing is 2 minutes or shorter.Type: GrantFiled: December 8, 1988Date of Patent: April 3, 1990Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Masayuki Kurematsu, Shigeharu Koboshi
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Patent number: H1127Abstract: A silver halide photographic material that contains a polymer including a repeating unit represented by the following general formula (I) and having a weight average molecular weight of no more than 30,000: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group; Z represents the atomic group necessary to form a lactam ring, an oxazolidone ring or a pyrrolidone ring; A is a simple linkage, --CO--, --COO(CH.sub.2).sub.n or --CONR.sup.2 (CH.sub.2).sub.n where R.sup.2 is a hydrogen atom or an alkyl group, and n is an integer of 1-6. This photographic material experiences a minimum level of increase in fogging during rapid processing and produces image having improved sharpness and granularity.Type: GrantFiled: October 3, 1990Date of Patent: January 5, 1993Assignee: Konica CorporationInventors: Hiroshi Shimazaki, Fumie Fukazawa, Masayuki Kurematsu, Kenjiro Ushiyama, Satoru Shimba