Patents by Inventor Tatsurou Kawamura
Tatsurou Kawamura 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: 8509868Abstract: One of the purposes of the present invention is to provide a biogenic substance concentration measuring method with improved measuring accuracy. An embodiment of the present invention provides a method for measuring a concentration of a biogenic substance contained in a living body, the method comprises steps of preparing a measuring device, wherein the measuring device comprises a light source, an optical filter, and a light receiver; irradiating different focused lights from the light source onto a particle chip implanted in a skin though a position on the surface of the skin to generate corresponding reflected lights; calculating the concentration of the biogenic substance on the basis of the difference of signals obtained from the reflected lights.Type: GrantFiled: May 30, 2012Date of Patent: August 13, 2013Assignee: Panasonic CorporationInventors: Tatsurou Kawamura, Masaru Minamiguchi, Masahiko Shioi
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Publication number: 20120288960Abstract: A biogenic substance concentration measuring apparatus includes an optical measuring apparatus for measuring optical properties of a first substrate and a second substrate by using a cell for biogenic substance concentration measurement that includes: the first substrate on which a plurality of first metallic nanorods, each of which is modified with a substance that bonds specifically to a test substance, are immobilized such that the long axes thereof are aligned in the same direction; and the second substrate on which a plurality of second metallic nanorods, each of which is modified with a blocking substance, are immobilized such that the long axes thereof are aligned perpendicularly to the long axes of the first metallic nanorods on the first substrate, and calculates a biogenic substance concentration with high accuracy from the optical properties.Type: ApplicationFiled: May 30, 2012Publication date: November 15, 2012Applicant: Panasonic CorporationInventors: Masaru MINAMIGUCHI, Tatsurou KAWAMURA, Masahiko SHIOI, Atsushi MATSUBARA
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Publication number: 20120265038Abstract: One of the purposes of the present invention is to provide a biogenic substance concentration measuring method with improved measuring accuracy. An embodiment of the present invention provides a method for measuring a concentration of a biogenic substance contained in a living body, the method comprises steps of preparing a measuring device, wherein the measuring device comprises a light source, an optical filter, and a light receiver; irradiating different focused lights from the light source onto a particle chip implanted in a skin though a position on the surface of the skin to generate corresponding reflected lights; calculating the concentration of the biogenic substance on the basis of the difference of signals obtained from the reflected lights.Type: ApplicationFiled: May 30, 2012Publication date: October 18, 2012Applicant: Panasonic CorporationInventors: Tatsurou Kawamura, Masaru Minamiguchi, Masahiko Shioi
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Publication number: 20120215078Abstract: One of the purposes of the present invention is to provide a biogenic substance concentration measuring method with improved measuring accuracy. An embodiment of the present invention provides a method for measuring a concentration of a biogenic substance contained in a living body, the method comprises steps of preparing a measuring device, wherein the measuring device comprises a light source, an optical filter, and a light receiver; irradiating a substantially-parallel light from the light source onto a particle chip implanted in a skin though a position on the surface of the skin to generate a reflected light; inclining the light source and calculating the concentration of the biogenic substance on the basis of the difference of signals before and after the inclination.Type: ApplicationFiled: April 27, 2012Publication date: August 23, 2012Applicant: Panasonic CorporationInventors: Tatsurou KAWAMURA, Masaru Minamiguchi, Masahiko Shioi
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Patent number: 8147406Abstract: In a vital data utilization system (100), measurement systems (110) include a measurement unit (111) measuring the vital data of subjects, a clock unit detecting each measurement time at which vital data is measured and a communication unit (112) sending the vital data including measurement time to a server (120). Further, a server (120) includes a communication unit (121) receiving pieces of vital data from measurement systems (110), a vital data storage unit (126) in which vital data is stored, a value-added information making unit (123) making the value-added information indicating the geographical distribution of the vital data or the changes over time of the geographical distributions of the vital data based on vital data stored in the vital data storage unit (126) and a communication unit (121) providing the made value-added information to the measurement systems (110) and the PCs of service destinations.Type: GrantFiled: June 10, 2004Date of Patent: April 3, 2012Assignee: Panasonic CorporationInventors: Tatsurou Kawamura, Akihito Kamei
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Patent number: 8110147Abstract: A specific binding analysis method capable of controlling the amount of specific binding to freely setting the sensitivity, concentration range and the like in an analysis, and a device used therefore are provided. In order to optimize the amount of specific binding, the specific binding analysis method and the device used therefor restrain the amount and velocity of a sample passing, by capillarity, through a detection zone, by controlling the dimensions, ventilation resistance, hydrophilicity and the like in the portion of the device where the sample passes through.Type: GrantFiled: April 21, 2009Date of Patent: February 7, 2012Assignee: Panasonic CorporationInventor: Tatsurou Kawamura
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Publication number: 20120029326Abstract: The object of the present invention is to provide a method for measuring concentration of a biological substance contained in a living body in which deterioration of the accuracy due to the reflected light and the interruption component is suppressed. Linear-polarized light is emitted to a particle chip implanted in the skin with modulating its modulating direction continuously. A surface enhanced Raman scattering light of the biological substance generated on the particle chip. A concentration of the biological substance is calculated based on the received signal. The receiving signal satisfy the following equation (III). [Math.Type: ApplicationFiled: October 6, 2011Publication date: February 2, 2012Applicant: PANASONIC CORPORATIONInventors: Tatsurou KAWAMURA, Masahiko Shioi, Masaru Minamiguchi
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Patent number: 7884934Abstract: The present invention provides an apparatus for biogenic substance concentration measurement including: a cell including therein a first region, a second region, and a test solution retention space; a light source; a polarizing plate; and a photoreceiver, in which a plurality of first metallic nanorods each having a first antibody on a surface thereof are immobilized on the first region, a plurality of second metallic nanorods each having a second antibody on a surface thereof are immobilized on the second region, the respective long axes of the plurality of first metallic nanorods are aligned in the same direction, the respective long axes of the plurality of second metallic nanorods are aligned in the same direction, the long-axis direction of the first metallic nanorod is orthogonal to the long-axis direction of the second metallic nanorod, and at least one of the polarizing plate and the cell is capable of rotation with an optical axis as the rotation axis.Type: GrantFiled: July 1, 2010Date of Patent: February 8, 2011Assignee: Panasonic CorporationInventors: Masaru Minamiguchi, Tatsurou Kawamura, Masahiko Shioi, Atsushi Matsubara
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Publication number: 20110001976Abstract: The present invention provides an apparatus for biogenic substance concentration measurement including: a cell including therein a first region, a second region, and a test solution retention space; a light source; a polarizing plate; and a photoreceiver, in which a plurality of first metallic nanorods each having a first antibody on a surface thereof are immobilized on the first region, a plurality of second metallic nanorods each having a second antibody on a surface thereof are immobilized on the second region, the respective long axes of the plurality of first metallic nanorods are aligned in the same direction, the respective long axes of the plurality of second metallic nanorods are aligned in the same direction, the long-axis direction of the first metallic nanorod is orthogonal to the long-axis direction of the second metallic nanorod, and at least one of the polarizing plate and the cell is capable of rotation with an optical axis as the rotation axis.Type: ApplicationFiled: July 1, 2010Publication date: January 6, 2011Applicant: Panasonic CorporationInventors: Masaru MINAMIGUCHI, Tatsurou Kawamura, Masahiko Shioi, Atsushi Matsubara
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Publication number: 20100240966Abstract: A lifestyle habit improvement supporting apparatus which allows a stage, at which the subject working on lifestyle habit improvement is, to be judged more accurately is provided. The lifestyle habit improvement supporting apparatus which supports lifestyle habit improvement of a subject includes: a measurement value obtaining unit (501) which obtains a measurement value reflecting a lifestyle habit of the subject; and stage judging units (503 to 507) which judge a stage at which the subject working on lifestyle habit improvement is, based on either the measurement value obtained by the measurement value obtaining unit (501), or the number of measurements representing the number of pieces of data of the measurement value obtained by the measurement value obtaining unit (501).Type: ApplicationFiled: January 16, 2007Publication date: September 23, 2010Inventors: Yuko Taniike, Eiji Noguchi, Tatsurou Kawamura
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Patent number: 7790470Abstract: A method capable of stirring a liquid sample and a reagent promptly and easily includes the following steps (A) and (B). In step (A), using a cell including: a liquid sample retaining section having a plurality of particles; and a liquid sample supply inlet, a liquid sample containing an analyte is supplied from the liquid sample supply inlet to the liquid sample retaining section. In step (B), the liquid sample and a specific binding substance capable of specifically binding to the analyte are stirred by the movement of the particles caused by the flow of the liquid sample in the cell resulting from the supply of the liquid sample, to obtain a liquid mixture. The electric charge of at least the surface of the particles and the electric charge of the specific binding substance have the same polarity in the liquid mixture.Type: GrantFiled: March 23, 2005Date of Patent: September 7, 2010Assignee: Panasonic CorporationInventors: Akihito Kamei, Fumihisa Kitawaki, Tatsurou Kawamura, Hiroshi Nakayama, Nobuyuki Shigetou
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Patent number: 7691255Abstract: A sensor capable of measuring a plurality of measuring items quickly and accurately, a measuring device, and a measuring method are provided. The sensor includes a sample-holding unit for holding a sample containing an analyte; a sample-supplying port for supplying the sample to the sample-holding unit; a detecting unit for carrying out an electrochemical measurement, the unit being provided in the sample-holding unit; an optical measuring unit for carrying out an optical measurement, the unit being provided in the sample-holding unit; and a reagent-holding unit for holding a reagent for the optical measurement, the unit being provided in the sample-holding unit; wherein in the flowing direction of the sample supplied from the sample-supplying port in sample-holding unit, the sample-supplying port, the detecting unit, and the reagent-holding unit are positioned in the order recited.Type: GrantFiled: April 22, 2005Date of Patent: April 6, 2010Assignee: Panasonic CorporationInventors: Fumihisa Kitawaki, Akihito Kamei, Tatsurou Kawamura
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Publication number: 20090281980Abstract: To provide a lifestyle improvement supporting apparatus and a lifestyle improvement supporting method which can offer appropriate advice corresponding to a performance state of lifestyle improvement carried out by a subject. An objective information receiving unit (120) receives objective information (an average urinary sodium level of the current month) relating to a subject, from the subject (S301), and calculates a difference (=A) in the average values between the current month and the previous month. A test result receiving unit (110) receives a test value (a blood pressure value) of the subject from the subject (S302), and calculates a difference (=B) in the blood pressure value over one month. A test result judgment unit 130 evaluates a lifestyle improvement activity on the basis of the calculated values A and B.Type: ApplicationFiled: December 19, 2006Publication date: November 12, 2009Inventors: Yuko Taniike, Noriko Kenjou, Tatsurou Kawamura
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Publication number: 20090203152Abstract: A specific binding analysis method capable of controlling the amount of specific binding to freely setting the sensitivity, concentration range and the like in an analysis, and a device used therefore are provided. In order to optimize the amount of specific binding, the specific binding analysis method and the device used therefor restrain the amount and velocity of a sample passing, by capillarity, through a detection zone, by controlling the dimensions, ventilation resistance, hydrophilicity and the like in the portion of the device where the sample passes through.Type: ApplicationFiled: April 21, 2009Publication date: August 13, 2009Applicant: PANASONIC CORPORATIONInventor: Tatsurou KAWAMURA
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Patent number: 7553676Abstract: A specific coupling reaction measuring method of this invention for measuring a content of a subject substance in a sample includes the steps of (a) constructing a reaction system including the sample and a magnetic particle on which a specific coupling substance for specifically coupling with the subject substance is immobilized; (b) measuring an optical characteristic of the reaction system; and (c) removing, from the reaction system, an agglutination complex including the subject substance, the specific coupling substance and the magnetic particle by utilizing magnetic force.Type: GrantFiled: August 21, 2006Date of Patent: June 30, 2009Assignee: Panasonic CorporationInventors: Akihito Kamei, Nobuyuki Shigetoh, Tatsurou Kawamura
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Patent number: 7537731Abstract: Disclosed is a specific binding analysis method capable of controlling the amount of specific binding to freely setting the sensitivity, concentration range and the like in an analysis, and a device used therefor. In order to optimize the amount of specific binding, the specific binding analysis method and the device used therefor restrain the amount and velocity of a sample passing, by capillarity, through a detection zone, by controlling the dimensions, ventilation resistance, hydrophilicity and the like in the portion of the device where the sample passes through.Type: GrantFiled: October 16, 2002Date of Patent: May 26, 2009Assignee: Panasonic CorporationInventor: Tatsurou Kawamura
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Publication number: 20090079985Abstract: A stirring state detecting method of the present invention is a method for detecting a stirring state of a test solution by using: a sample cell (101) which holds the test solution in an internal space thereof; a stirring device (111) which stirs the test solution held in the sample cell (101); a light emitting device (106) which emits light to the test solution held in the sample cell (101); and a photoreceiver (108) which receives the light, and includes the steps of: (A) in a state in which the test solution is held in the sample cell (100), activating the stirring device (111) to change a liquid level (102) of the test solution by stirring; (B) emitting the light from the light emitting device (106) to the test solution held in the sample cell (100); (C) detecting by the photoreceiver (108) an amount of the light which is emitted to the test solution and subjected to an action of the test solution whose liquid level (102) is changed by the stirring; and (D) determining the stirring state of the test solutType: ApplicationFiled: November 25, 2008Publication date: March 26, 2009Applicant: PANASONIC CORPORATIONInventors: Jin MURAOKA, Tatsurou Kawamura
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Publication number: 20090070046Abstract: A daily urinary excretion measurement apparatus and a method thereof, for measuring daily excretion of a urine component highly accurately and easily, are provided.Type: ApplicationFiled: April 24, 2007Publication date: March 12, 2009Applicant: PANASONIC CORPORATIONInventors: Noriko Kenjou, Yuko Taniike, Tatsurou Kawamura, Noriko Shimba, Hirotsugu Ueshima, Tomonori Okamura, Atsushi Hozawa
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Patent number: 7476544Abstract: It is intended to provide a method for determining homogenization and/or reaction completion, capable of making the measurement time necessary and sufficient and enhancing the measurement speed, and a method for measuring solution concentration using the same. According to the method for determining homogenization and/or reaction completion and the method for measuring solution concentration using the same, homogenization and reaction completion are determined based on the optical property of the liquid mixture of a test liquid and a reagent liquid.Type: GrantFiled: March 12, 2003Date of Patent: January 13, 2009Assignee: Panasonic CorporationInventors: Tatsurou Kawamura, Akihito Kamei
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Publication number: 20080105566Abstract: A sensor capable of measuring a plurality of measuring items quickly and accurately, a measuring device, and a measuring method are provided. The sensor includes a sample-holding unit for holding a sample containing an analyte; a sample-supplying port for supplying the sample to the sample-holding unit; a detecting unit for carrying out an electrochemical measurement, the unit being provided in the sample-holding unit; an optical measuring unit for carrying out an optical measurement, the unit being provided in the sample-holding unit; and a reagent-holding unit for holding a reagent for the optical measurement, the unit being provided in the sample-holding unit; wherein in the flowing direction of the sample supplied from the sample-supplying port in sample-holding unit, the sample-supplying port, the detecting unit, and the reagent-holding unit are positioned in the order recited.Type: ApplicationFiled: April 22, 2005Publication date: May 8, 2008Inventors: Fumihisa Kitawaki, Akihito Kamei, Tatsurou Kawamura