Patents by Inventor Kazuya IINAGA
Kazuya IINAGA 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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Publication number: 20230058347Abstract: A blood vessel detection device comprises: a first irradiation unit for irradiating a predetermined site of a subject with light of a first wavelength that is absorbed less by hemoglobin or water and light of a second wavelength that is absorbed more by hemoglobin or water than the first wavelength; a second irradiation unit for irradiating the predetermined site with light of a third wavelength that is absorbed less by hemoglobin; a light intensity detection unit for detecting the intensity of light emitted from the subject at one or more positions spaced apart by a predetermined distance from the light irradiation positions of the first and second irradiation units or one or more contiguous positions; and a control unit that calculates blood vessel depth information, calculates blood vessel angle information, and determines an optimal position for measurement based on the blood vessel depth information and the blood vessel angle information.Type: ApplicationFiled: January 25, 2021Publication date: February 23, 2023Inventors: Atsushi TAKAMIZAWA, Kazuya IINAGA, KI YOUNG CHANG, JOON HYUNG LEE, KAK NAMKOONG, YEOL HO LEE, WON JONG JUNG
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Publication number: 20220240816Abstract: A non-invasive measuring device is provided with: an irradiation unit which is for irradiating a specific position on a test subject with light; a light intensity detection unit which is disposed at a position on a blood vessel of the test subject for detecting a first light intensity of light; a light intensity detection unit which is disposed at a position not located on a blood vessel of the test subject for detecting a second light intensity of light; and a control unit which calculates a third light intensity of the blood in a blood vessel from the first light intensity and the second light intensity, a correct attenuation coefficient from a temporary attenuation coefficient obtained from the third light intensity by means of a calibration function, and an equivalent scattering coefficient and an absorption coefficient separately from the attenuation coefficient through measurement of multiple wavelengths.Type: ApplicationFiled: June 2, 2020Publication date: August 4, 2022Inventors: Koichi SHIMIZU, Kazuya IINAGA
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Publication number: 20220151501Abstract: [Problem] To provide a device for measuring blood pressure by non-invasive lipid measurement. [Solution] The present invention has: an irradiation unit for irradiating periodic light onto a subject having a first layer on the surface and a second layer underneath the first layer that absorbs more light than the first layer; a light intensity detection unit disposed at a distance from the irradiation unit at which the periodic light passes through the first layer and the second layer and is detected as light that has lost periodicity, the light intensity detection unit detecting the intensity of the light that has lost periodicity emitted from the subject; and a control unit for calculating blood pressure in the subject from the intensity of the light that has lost periodicity.Type: ApplicationFiled: March 24, 2020Publication date: May 19, 2022Inventor: Kazuya IINAGA
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Patent number: 11331012Abstract: The non-invasive biolipid concentration meter comprises: an irradiator (2) that emits light at a given intensity toward the inside of a living body from outside; a light intensity detector (3) that is disposed at a given distance from a position (21) irradiated with the light from the irradiator (2) and that determines the intensity of light emitted from the living body; a scattering coefficient calculator (4) that calculates the coefficient of light scattering within the living body on the basis of the light intensity determined with the light intensity detector (3); and a lipid concentration calculator (5) that calculates the lipid concentration in the living body on the basis of the coefficient of light scattering.Type: GrantFiled: December 13, 2018Date of Patent: May 17, 2022Assignee: MEDICAL PHOTONICS CO., LTD.Inventors: Koichi Shimizu, Kazuya Iinaga
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Publication number: 20220034790Abstract: [Problem] To provide a device with which it is possible to learn calorie consumption state by performing monitoring. [Solution] This absorbed calorie measuring device comprises: an irradiating unit which irradiates a subject with light; a light receiving unit which detects the intensity of reception light that has passed through the subject and emitted outside the subject; and a control unit which calculates absorbed calorie from the reception light intensity.Type: ApplicationFiled: December 25, 2019Publication date: February 3, 2022Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Publication number: 20210401334Abstract: [Problem] To provide a device for measuring the concentration of lipid by a noninvasive lipid measurement and a method therefor. [Solution] The present invention includes: an irradiation unit that irradiates a living body with light with the angle between the surface of the living body and the optical axis being a predetermined angle of 45 to 175°; a light intensity detection unit that is positioned at a predetermined distance from the irradiation unit and measures light intensity reflected from the living body; and a control unit that calculates the amount of turbulence of blood flow on the basis of the light intensity and calculates lipid concentration on the basis of the amount of turbulence of blood flow.Type: ApplicationFiled: November 20, 2019Publication date: December 30, 2021Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Publication number: 20210356393Abstract: This particle concentration measurement device is used under time-periodic illumination light and has: a received light intensity detection unit for detecting the intensity of received light emitted from a subject; and a control unit for determining the amplitude from the intensity of received light and calculating the concentration of particles within the subject from the amplitude.Type: ApplicationFiled: October 16, 2019Publication date: November 18, 2021Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Publication number: 20210196135Abstract: The present invention is directed to an apparatus and a method that make it possible to identify a blood vessel location. The apparatus includes a radiation unit, an optical intensity detection unit, and a control unit.Type: ApplicationFiled: May 21, 2019Publication date: July 1, 2021Applicants: MEDICAL PHOTONICS CO., LTD., SAMSUNG ELECTRONICS CO., LTD.Inventors: Atsushi TAKAMIZAWA, Kazuya IINAGA, KI YOUNG CHANG, JOON HYUNG LEE, KAK NAMKOONG, YEOL HO LEE, WON JONG JUNG, JUNG YONG NAM
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Patent number: 11000214Abstract: A physical condition management device and a method thereof capable of performing early detection of metabolic disease, nutritional guidance, and a physical condition management diagnosis. The physical condition management device includes: an irradiation unit configured to radiate light at a predetermined light intensity toward an inside of a living body from outside of the living body; a light intensity detection unit configured to detect light intensity emitted from the living body; a scattering coefficient calculation unit configured to calculate a scattering coefficient of light inside the living body on the basis of the detected light intensity; a particle diameter calculation unit configured to calculate a variation of an average particle diameter of a lipid in blood on the basis of a variation of the scattering coefficient; and a physical condition determination unit configured to determine a physical condition from a temporal change in the variation of the average particle diameter.Type: GrantFiled: February 14, 2017Date of Patent: May 11, 2021Assignee: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya Iinaga
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Publication number: 20210059575Abstract: [Problem] To provide a device which reduces individual differences in lipid concentration measurements by noninvasive lipid measurements. [Solution] The invention comprises: an irradiation unit irradiating a light of a predetermined light intensity onto an organism; a light intensity detection unit positioned at a predetermined distance from the irradiation unit and detecting the light intensity emitted from the organism; and a control unit calculating, on the basis of the light intensity, the blood flow turbulence intensity, and calculating, from the turbulence intensity, the lipid concentration.Type: ApplicationFiled: April 25, 2019Publication date: March 4, 2021Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Patent number: 10863934Abstract: A device and method for measuring levels of individual lipids in a lipoprotein, the device being equipped with: an irradiation unit that can emit irradiation light having a first wavelength and irradiation light having a second wavelength at predetermined light intensities toward the inside of a living body from outside of the living body; a light intensity detection unit arranged at a predetermined distance apart from a position at which light is emitted from the irradiation unit or is arranged adjacent to the position, and can detect the intensities of first light and second light both emitted from the living body; a scattering coefficient calculation unit that can calculate a first scattering coefficient and a second scattering coefficient in the living body respectively on the basis of the intensities of a first light and a second light detected by the light intensity detection unit; and a lipid level calculation unit.Type: GrantFiled: February 14, 2017Date of Patent: December 15, 2020Assignee: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya Iinaga
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Publication number: 20200383586Abstract: A scatterer measuring apparatus includes an irradiator that radiates phase-aligned light having a predetermined light intensity to a predetermined site of a living body from outside the living body toward an interior of the living body, a light intensity detector that detects the light intensity distribution of light emitted from the living body, and a controller that calculates a blood flow rate based on a temporal change in the light intensity distribution and calculates scatterer concentration in the living body based on the blood flow rate.Type: ApplicationFiled: February 9, 2018Publication date: December 10, 2020Inventor: Kazuya IINAGA
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Publication number: 20200359938Abstract: Provided is a lipid measurement device which has: an irradiation unit; a light intensity detection unit; and a control unit.Type: ApplicationFiled: December 20, 2017Publication date: November 19, 2020Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Publication number: 20200245929Abstract: An apparatus and a method that readily allow noninvasive lipid measurement with no skill of a measurer. The apparatus includes an irradiator that radiates light having a predetermined light intensity to a predetermined site of a living body from outside the living body toward inside the living body, a light intensity detector that detects a light arrival range in the living body based on the light intensity of light emitted from the living body, and a controller that calculates a predetermined light arrival range parameter based on the light arrival range and calculates lipid concentration in the living body based on the light arrival range parameter.Type: ApplicationFiled: January 29, 2018Publication date: August 6, 2020Inventors: Kazuya IINAGA, Takashi TSURUMI
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Publication number: 20190192056Abstract: A device and method for measuring levels of individual lipids in a lipoprotein, the device being equipped with: an irradiation unit that can emit irradiation light having a first wavelength and irradiation light having a second wavelength at predetermined light intensities toward the inside of a living body from outside of the living body; a light intensity detection unit arranged at a predetermined distance apart from a position at which light is emitted from the irradiation unit or is arranged adjacent to the position, and can detect the intensities of first light and second light both emitted from the living body; a scattering coefficient calculation unit that can calculate a first scattering coefficient and a second scattering coefficient in the living body respectively on the basis of the intensities of a first light and a second light detected by the light intensity detection unit; and a lipid level calculation unit.Type: ApplicationFiled: February 14, 2017Publication date: June 27, 2019Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Publication number: 20190110720Abstract: The non-invasive biolipid concentration meter comprises: an irradiator (2) that emits light at a given intensity toward the inside of a living body from outside; a light intensity detector (3) that is disposed at a given distance from a position (21) irradiated with the light from the irradiator (2) and that determines the intensity of light emitted from the living body; a scattering coefficient calculator (4) that calculates the coefficient of light scattering within the living body on the basis of the light intensity determined with the light intensity detector (3); and a lipid concentration calculator (5) that calculates the lipid concentration in the living body on the basis of the coefficient of light scattering.Type: ApplicationFiled: December 13, 2018Publication date: April 18, 2019Inventors: Koichi SHIMIZU, Kazuya IINAGA
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Publication number: 20190046091Abstract: A physical condition management device and a method thereof capable of performing early detection of metabolic disease, nutritional guidance, and a physical condition management diagnosis. The physical condition management device includes: an irradiation unit configured to radiate light at a predetermined light intensity toward an inside of a living body from outside of the living body; a light intensity detection unit configured to detect light intensity emitted from the living body; a scattering coefficient calculation unit configured to calculate a scattering coefficient of light inside the living body on the basis of the detected light intensity; a particle diameter calculation unit configured to calculate a variation of an average particle diameter of a lipid in blood on the basis of a variation of the scattering coefficient; and a physical condition determination unit configured to determine a physical condition from a temporal change in the variation of the average particle diameter.Type: ApplicationFiled: February 14, 2017Publication date: February 14, 2019Applicant: MEDICAL PHOTONICS CO., LTD.Inventor: Kazuya IINAGA
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Patent number: 10188328Abstract: The non-invasive biolipid concentration meter comprises: an irradiator (2) that emits light at a given intensity toward the inside of a living body from outside; a light intensity detector (3) that is disposed at a given distance from a position (21) irradiated with the light from the irradiator (2) and that determines the intensity of light emitted from the living body; a scattering coefficient calculator (4) that calculates the coefficient of light scattering within the living body on the basis of the light intensity determined with the light intensity detector (3); and a lipid concentration calculator (5) that calculates the lipid concentration in the living body on the basis of the coefficient of light scattering.Type: GrantFiled: November 14, 2013Date of Patent: January 29, 2019Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, MEDICAL PHOTONICS CO., LTD.Inventors: Koichi Shimizu, Kazuya Iinaga
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Publication number: 20150313516Abstract: The non-invasive biolipid concentration meter comprises: an irradiator (2) that emits light at a given intensity toward the inside of a living body from outside; a light intensity detector (3) that is disposed at a given distance from a position (21) irradiated with the light from the irradiator (2) and that determines the intensity of light emitted from the living body; a scattering coefficient calculator (4) that calculates the coefficient of light scattering within the living body on the basis of the light intensity determined with the light intensity detector (3); and a lipid concentration calculator (5) that calculates the lipid concentration in the living body on the basis of the coefficient of light scattering.Type: ApplicationFiled: November 14, 2013Publication date: November 5, 2015Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Koichi SHIMIZU, Kazuya IINAGA