Patents by Inventor Tatsuya Ishizaka
Tatsuya Ishizaka 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: 11661622Abstract: An object of the present invention is to provide a blood analysis method and a blood test kit, which are for performing quantitative analysis of components by precisely obtaining a dilution factor.Type: GrantFiled: June 26, 2019Date of Patent: May 30, 2023Assignee: FUJIFILM CorporationInventors: Hikaru Urano, Haruyasu Nakatsugawa, Tatsuya Ishizaka, Shinya Sugimoto, Isao Yonekubo
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Publication number: 20210010998Abstract: There are provided a sample acquisition information management device, a sample acquisition information management system, and a sample acquisition information management method that allow a subject who is to collect a sample by oneself to reliably perform a sample acquisition operation. Each of the sample acquisition information management device and the sample acquisition information management system includes an image acquisition unit (16) that acquires an image and a video of a sample acquisition operation of a subject using a sample examination kit, an output unit (18) that outputs acquisition means information and operation check information, and a processing unit (20) that determines whether or not the image or the video acquired by the image acquisition unit (16) corresponds to a correct sample acquisition operation and controls display of the acquisition means information and the operation check information.Type: ApplicationFiled: September 25, 2020Publication date: January 14, 2021Applicant: FUJIFILM CorporationInventors: Haruyasu NAKATSUGAWA, Seiji YAMASHITA, Tatsuya ISHIZAKA
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Publication number: 20210007645Abstract: Provided are a blood test support device, a blood test support system, a blood test support method, and a program that can reduce a burden on a medical examinee and obtain highly accurate test results. The blood test support device includes an information acquisition unit that acquires an order for a blood test kit from a medical examinee; a storage unit that stores the medical examinee and an identification number given to the blood test kit in association with each other; a processing unit that calculates a recommended date and time at which blood collection is performed using the blood test kit to which the identification number is given; and an information output unit that outputs the identification number of the blood test kit and the recommended date and time in placing the order from the medical examinee.Type: ApplicationFiled: September 25, 2020Publication date: January 14, 2021Applicant: FUJIFILM CorporationInventors: Haruyasu NAKATSUGAWA, Seiji YAMASHITA, Tatsuya ISHIZAKA
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Patent number: 10739361Abstract: An object of the present invention is to provide a blood analysis method in which a high level of repeatability and reproducibility is achieved with respect to measurement values in a blood sample, and a blood test kit which is used for the blood analysis method.Type: GrantFiled: January 4, 2018Date of Patent: August 11, 2020Assignee: FUJIFILM CorporationInventors: Tatsuya Ishizaka, Haruyasu Nakatsugawa, Susumu Osawa, Shinya Sugimoto
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Patent number: 10697870Abstract: An object is to provide a blood test kit and a blood analysis method capable of performing a blood test with a small amount of blood at high accuracy by visualizing a volume of blood collection and keeping the volume constant. Provided is a blood test kit for analyzing a concentration of a target component in a blood sample using a normal component homeostatically present in blood, the kit including: a blood collection instrument for collecting the blood sample; a diluent solution for diluting the collected blood sample; and a storing instrument for storing the diluted blood sample, in which the blood collection instrument is a capillary.Type: GrantFiled: January 3, 2018Date of Patent: June 30, 2020Assignee: FUJIFILM CorporationInventors: Hikaru Urano, Tatsuya Ishizaka, Haruyasu Nakatsugawa, Susumu Osawa, Shinya Sugimoto
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Patent number: 10634661Abstract: An object of the present invention is to provide a blood analysis method in which a high level of repeatability and reproducibility is achieved with respect to measurement values in a blood sample of 50 ?L or less, and a blood test kit which is used for the blood analysis method. According to the present invention, a blood analysis method including a step of diluting a collected blood sample with a diluent solution; a step of determining a dilution factor by using a normal value of a normal component which is homeostatically present in the blood; and a step of analyzing a concentration of a target component in the blood sample, in which a volume of the blood sample is 50 ?L or less, a dilution factor of blood plasma components in the blood sample is 14 or higher, and the diluent solution is a diluent solution which does not contain the normal component which is homeostatically present in the blood, is provided.Type: GrantFiled: January 3, 2018Date of Patent: April 28, 2020Assignee: FUJIFILM CorporationInventors: Tatsuya Ishizaka, Haruyasu Nakatsugawa, Susumu Osawa, Shinya Sugimoto
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Publication number: 20190316175Abstract: An object of the present invention is to provide a blood analysis method and a blood test kit, which are for performing quantitative analysis of components by precisely obtaining a dilution factor.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Applicant: FUJIFILM CorporationInventors: Hikaru URANO, Haruyasu NAKATSUGAWA, Tatsuya ISHIZAKA, Shinya SUGIMOTO, Isao YONEKUBO
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Publication number: 20180143116Abstract: An object is to provide a blood test kit and a blood analysis method capable of performing a blood test with a small amount of blood at high accuracy by visualizing a volume of blood collection and keeping the volume constant. Provided is a blood test kit for analyzing a concentration of a target component in a blood sample using a normal component homeostatically present in blood, the kit including: a blood collection instrument for collecting the blood sample; a diluent solution for diluting the collected blood sample; and a storing instrument for storing the diluted blood sample, in which the blood collection instrument is a capillary.Type: ApplicationFiled: January 3, 2018Publication date: May 24, 2018Applicant: FUJIFILM CorporationInventors: Hikaru URANO, Tatsuya ISHIZAKA, Haruyasu NAKATSUGAWA, Susumu OSAWA, Shinya SUGIMOTO
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Publication number: 20180128807Abstract: An object of the present invention is to provide a blood analysis method in which a high level of repeatability and reproducibility is achieved with respect to measurement values in a blood sample of 50 ?L or less, and a blood test kit which is used for the blood analysis method. According to the present invention, a blood analysis method including a step of diluting a collected blood sample with a diluent solution; a step of determining a dilution factor by using a normal value of a normal component which is homeostatically present in the blood; and a step of analyzing a concentration of a target component in the blood sample, in which a volume of the blood sample is 50 ?L or less, a dilution factor of blood plasma components in the blood sample is 14 or higher, and the diluent solution is a diluent solution which does not contain the normal component which is homeostatically present in the blood, is provided.Type: ApplicationFiled: January 3, 2018Publication date: May 10, 2018Applicant: FUJIFILM CorporationInventors: Tatsuya ISHIZAKA, Haruyasu NAKATSUGAWA, Susumu OSAWA, Shinya SUGIMOTO
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Publication number: 20180128844Abstract: An object of the present invention is to provide a blood analysis method in which a high level of repeatability and reproducibility is achieved with respect to measurement values in a blood sample, and a blood test kit which is used for the blood analysis method.Type: ApplicationFiled: January 4, 2018Publication date: May 10, 2018Applicant: FUJIFILM CorporationInventors: Tatsuya ISHIZAKA, Haruyasu NAKATSUGAWA, Susumu OSAWA, Shinya SUGIMOTO
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Patent number: 8461243Abstract: To provide an optical resin composition containing carbonate crystals, which have oriented birefringence, have a needle- or rod-like shape, and are able to negate the birefringence without sacrificing the light transmittance of a transparent polymeric resin where the carbonate crystal exists, and a method for producing the resin composition. To achieve this provided are an optical resin composition containing a resin and carbonate crystals, wherein the carbonate crystals have a specific surface area of 4 m2/g or more, and the carbonate crystals dispersed into the resin have an average dispersion diameter of 500 nm at a maximum, and a method for producing the optical resin composition.Type: GrantFiled: August 5, 2011Date of Patent: June 11, 2013Assignee: FUJIFILM CorporationInventors: Tetsuo Kawano, Tatsuya Ishizaka
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Patent number: 8377407Abstract: The object of the present invention is to provide a carbonate crystal, which has oriented birefringence, is needle- or rod-like, and is able to negate the birefringence without sacrificing the light transmittance of a transparent polymeric resin when it exists in the transparent resin; a manufacturing method of the carbonate crystal; and a transparent optical resin composition comprising the carbonate resin. The carbonate crystal has an aspect ratio of two or greater, the average major axis length of 400 nm or shorter, and the variation coefficient expressed in Formula (1) below is 0.40 or less: 1 r × { 1 n - 1 ? ? i = 1 n ? ( r i - r ) 2 } 1 2 Formula ? ? ( 1 ) wherein r denotes an average major axis length, n denotes the number of particles used for the measurement of the major axis length, and n denotes the major axis length of the ith particle measured.Type: GrantFiled: December 13, 2005Date of Patent: February 19, 2013Assignee: FUJIFILM CorporationInventors: Tatsuya Ishizaka, Tetsuo Kawano
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Publication number: 20110288222Abstract: To provide an optical resin composition containing carbonate crystals, which have oriented birefringence, have a needle- or rod-like shape, and are able to negate the birefringence without sacrificing the light transmittance of a transparent polymeric resin where the carbonate crystal exists, and a method for producing the resin composition. To achieve this provided are an optical resin composition containing a resin and carbonate crystals, wherein the carbonate crystals have a specific surface area of 4 m2/g or more, and the carbonate crystals dispersed into the resin have an average dispersion diameter of 500 nm at a maximum, and a method for producing the optical resin composition.Type: ApplicationFiled: August 5, 2011Publication date: November 24, 2011Applicant: FUJIFILM CorporationInventors: Tetsuo KAWANO, Tatsuya Ishizaka
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Patent number: 7914977Abstract: A silver halide color photosensitive material, having, on a transparent support, at least one each of yellow-, cyan-, and magenta-color-forming photosensitive silver halide emulsion layers, and photosensitive silver halide emulsion layer containing a coupler that forms a dye having its absorption maximum at a wavelength longer than 730 nm upon reaction with an oxidized product of a developing agent, wherein the yellow-color-forming photosensitive silver halide emulsion layer contains photosensitive silver halide grains having an average grain size of 0.4 ?m or below and a silver chloride content of 95 mole % or above based on total silver in the grains, and wherein the photosensitive silver halide grains include photosensitive silver halide grains whose iodide ion concentrations have their maxima at grain surfaces and decrease gradually toward the interior of the grains; and a method of processing a silver halide color photosensitive material for use in film screening.Type: GrantFiled: September 28, 2005Date of Patent: March 29, 2011Assignee: FUJIFILM CorporationInventors: Hidekazu Sakai, Tatsuya Ishizaka
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Patent number: 7732124Abstract: A color-image forming method in a silver halide color photographic light-sensitive material, having the steps of: performing exposure of the light-sensitive material cut into sheets; and subjecting the exposed light-sensitive material sheets to photographic processing, while conveying them with conveying rollers, with the sheet conveying speed being 40.0 to 100 mm/sec; wherein the light-sensitive material to be exposed contains any of: 1) a dye-forming coupler of formula (IA), 2) a compound of formula (I), and 3) 1.4 mg/m2 or more of a compound of formula (II); wherein R? and R? are a substituent; Z is a hydrogen atom, or a coupling split-off group; A is an alkyl group, M is a cation, and R is an atom or group having 100 or lower total molecular weight.Type: GrantFiled: November 20, 2008Date of Patent: June 8, 2010Assignee: Fujifilm CorporationInventors: Yasuaki Deguchi, Shin Soejima, Naoto Ohshima, Tatsuya Ishizaka, Katsuyuki Takada, Futoshi Yoshida, Atsushi Maruhashi, Yoshinori Morimoto, Takehisa Ohno
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Publication number: 20100087578Abstract: To provide an optical resin composition containing carbonate crystals, which have oriented birefringence, have a needle- or rod-like shape, and are able to negate the birefringence without sacrificing the light transmittance of a transparent polymeric resin where the carbonate crystal exists, and a method for producing the resin composition. To achieve this provided are an optical resin composition containing a resin and carbonate crystals, wherein the carbonate crystals have a specific surface area of 4 m2/g or more, and the carbonate crystals dispersed into the resin have an average dispersion diameter of 500 nm at a maximum, and a method for producing the optical resin composition.Type: ApplicationFiled: June 16, 2006Publication date: April 8, 2010Applicant: FUJIFILM CorporationInventors: Tetsuo Kawano, Tatsuya Ishizaka
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Patent number: 7611829Abstract: A color-image forming method in a silver halide color photographic light-sensitive material, having the steps of: performing exposure of the light-sensitive material cut into sheets; and subjecting the exposed light-sensitive material sheets to photographic processing, while conveying them with conveying rollers, with the sheet conveying speed being 40.0 to 100 mm/sec; wherein the light-sensitive material to be exposed contains any of: 1) a dye-forming coupler of formula (IA), 2) a compound of formula (I), and 3) 1.4 mg/m2 or more of a compound of formula (II); wherein R? and R? are a substituent; Z is a hydrogen atom, or a coupling split-off group; A is an alkyl group, M is a cation, and R is an atom or group having 100 or lower total molecular weight.Type: GrantFiled: January 27, 2005Date of Patent: November 3, 2009Assignee: Fujifilm CorporationInventors: Yasuaki Deguchi, Shin Soejima, Naoto Ohshima, Tatsuya Ishizaka, Katsuyuki Takada, Futoshi Yoshida, Atsushi Maruhashi, Yoshinori Morimoto, Takehisa Ohno
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Patent number: 7598026Abstract: An image-forming method comprising: employing a silver halide color photographic light-sensitive material, comprising, on a support, at least one silver halide emulsion layer containing a yellow dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one color-mix preventing layer and at least one protective layer, wherein the said silver halide emulsion layer containing a yellow dye-forming coupler includes a blue-sensitive silver halide emulsion having a silver chloride content of 90 mole % or more and containing at least one specific blue-sensitive sensitizing dye; and exposing the said silver halide color photographic light-sensitive material to a blue semiconductor laser of a wavelength shorter by 30 nm to 60 nm than the wavelength at which the said blue-sensitive silver halide emulsion has the spectral sensitivity maximum.Type: GrantFiled: March 8, 2007Date of Patent: October 6, 2009Assignee: FUJIFILM CorporationInventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
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Publication number: 20090130613Abstract: A color-image forming method in a silver halide color photographic light-sensitive material, having the steps of: performing exposure of the light-sensitive material cut into sheets; and subjecting the exposed light-sensitive material sheets to photographic processing, while conveying them with conveying rollers, with the sheet conveying speed being 40.0 to 100 mm/sec; wherein the light-sensitive material to be exposed contains any of: 1) a dye-forming coupler of formula (IA), 2) a compound of formula (I), and 3) 1.4 mg/m2 or more of a compound of formula (II); wherein R? and R? are a substituent; Z is a hydrogen atom, or a coupling split-off group; A is an alkyl group, M is a cation, and R is an atom or group having 100 or lower total molecular weight.Type: ApplicationFiled: November 20, 2008Publication date: May 21, 2009Inventors: Yasuaki Deguchi, Shin Soejima, Naoto Ohshima, Tatsuya Ishizaka, Katsuyuki Takada, Futoshi Yoshida, Atsushi Maruhashi, Yoshinori Morimoto, Takehisa Ohno
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Publication number: 20090124744Abstract: The object of the present invention is to provide a carbonate crystal, which has oriented birefringence, is needle- or rod-like, and is able to negate the birefringence without sacrificing the light transmittance of a transparent polymeric resin when it exists in the transparent resin; a manufacturing method of the carbonate crystal; and a transparent optical resin composition comprising the carbonate resin. The carbonate crystal has an aspect ratio of two or greater, the average major axis length of 400 nm or shorter, and the variation coefficient expressed in Formula (1) below is 0.40 or less: 1 r × { 1 n - 1 ? ? i = 1 n ? ( r i - r ) 2 } 1 2 Formula ? ? ( 1 ) wherein r denotes an average major axis length, n denotes the number of particles used for the measurement of the major axis length, and n denotes the major axis length of the ith particle measured.Type: ApplicationFiled: December 13, 2005Publication date: May 14, 2009Applicant: FUJIFILM CorporationInventors: Tatsuya Ishizaka, Tetsuo Kawano