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).

  • Patent number: 11661622
    Abstract: 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: Grant
    Filed: June 26, 2019
    Date of Patent: May 30, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Hikaru Urano, Haruyasu Nakatsugawa, Tatsuya Ishizaka, Shinya Sugimoto, Isao Yonekubo
  • Publication number: 20210010998
    Abstract: 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: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Haruyasu NAKATSUGAWA, Seiji YAMASHITA, Tatsuya ISHIZAKA
  • Publication number: 20210007645
    Abstract: 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: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Haruyasu NAKATSUGAWA, Seiji YAMASHITA, Tatsuya ISHIZAKA
  • Patent number: 10739361
    Abstract: 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: Grant
    Filed: January 4, 2018
    Date of Patent: August 11, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Ishizaka, Haruyasu Nakatsugawa, Susumu Osawa, Shinya Sugimoto
  • Patent number: 10697870
    Abstract: 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: Grant
    Filed: January 3, 2018
    Date of Patent: June 30, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Hikaru Urano, Tatsuya Ishizaka, Haruyasu Nakatsugawa, Susumu Osawa, Shinya Sugimoto
  • Patent number: 10634661
    Abstract: 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: Grant
    Filed: January 3, 2018
    Date of Patent: April 28, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Ishizaka, Haruyasu Nakatsugawa, Susumu Osawa, Shinya Sugimoto
  • Publication number: 20190316175
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: October 17, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hikaru URANO, Haruyasu NAKATSUGAWA, Tatsuya ISHIZAKA, Shinya SUGIMOTO, Isao YONEKUBO
  • Publication number: 20180143116
    Abstract: 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: Application
    Filed: January 3, 2018
    Publication date: May 24, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hikaru URANO, Tatsuya ISHIZAKA, Haruyasu NAKATSUGAWA, Susumu OSAWA, Shinya SUGIMOTO
  • Publication number: 20180128807
    Abstract: 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: Application
    Filed: January 3, 2018
    Publication date: May 10, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya ISHIZAKA, Haruyasu NAKATSUGAWA, Susumu OSAWA, Shinya SUGIMOTO
  • Publication number: 20180128844
    Abstract: 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: Application
    Filed: January 4, 2018
    Publication date: May 10, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya ISHIZAKA, Haruyasu NAKATSUGAWA, Susumu OSAWA, Shinya SUGIMOTO
  • Patent number: 8461243
    Abstract: 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: Grant
    Filed: August 5, 2011
    Date of Patent: June 11, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuo Kawano, Tatsuya Ishizaka
  • Patent number: 8377407
    Abstract: 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: Grant
    Filed: December 13, 2005
    Date of Patent: February 19, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Ishizaka, Tetsuo Kawano
  • Publication number: 20110288222
    Abstract: 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: Application
    Filed: August 5, 2011
    Publication date: November 24, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuo KAWANO, Tatsuya Ishizaka
  • Patent number: 7914977
    Abstract: 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: Grant
    Filed: September 28, 2005
    Date of Patent: March 29, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Hidekazu Sakai, Tatsuya Ishizaka
  • Patent number: 7732124
    Abstract: 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: Grant
    Filed: November 20, 2008
    Date of Patent: June 8, 2010
    Assignee: Fujifilm Corporation
    Inventors: Yasuaki Deguchi, Shin Soejima, Naoto Ohshima, Tatsuya Ishizaka, Katsuyuki Takada, Futoshi Yoshida, Atsushi Maruhashi, Yoshinori Morimoto, Takehisa Ohno
  • Publication number: 20100087578
    Abstract: 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: Application
    Filed: June 16, 2006
    Publication date: April 8, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuo Kawano, Tatsuya Ishizaka
  • Patent number: 7611829
    Abstract: 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: Grant
    Filed: January 27, 2005
    Date of Patent: November 3, 2009
    Assignee: Fujifilm Corporation
    Inventors: Yasuaki Deguchi, Shin Soejima, Naoto Ohshima, Tatsuya Ishizaka, Katsuyuki Takada, Futoshi Yoshida, Atsushi Maruhashi, Yoshinori Morimoto, Takehisa Ohno
  • Patent number: 7598026
    Abstract: 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: Grant
    Filed: March 8, 2007
    Date of Patent: October 6, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Publication number: 20090130613
    Abstract: 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: Application
    Filed: November 20, 2008
    Publication date: May 21, 2009
    Inventors: Yasuaki Deguchi, Shin Soejima, Naoto Ohshima, Tatsuya Ishizaka, Katsuyuki Takada, Futoshi Yoshida, Atsushi Maruhashi, Yoshinori Morimoto, Takehisa Ohno
  • Publication number: 20090124744
    Abstract: 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: Application
    Filed: December 13, 2005
    Publication date: May 14, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya Ishizaka, Tetsuo Kawano