Patents by Inventor Yasuhiro Kawabata

Yasuhiro Kawabata 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).

  • Publication number: 20210127993
    Abstract: A pulse transit time measurement device includes a belt unit wound around a target measurement site of a user, an electrode group provided in the belt unit and including a four electrodes, a current source applying an alternating current between the first electrode and the second electrode, a potential difference signal detection unit detecting a potential difference signal between the third electrode and the fourth electrode, an electrocardiogram acquisition unit acquiring, based on the potential difference signal, an electrocardiogram corresponding to a waveform signal representative of an electrical activity of a heart of the user, a pulse wave signal acquisition unit acquiring, based on the potential difference signal, as a pulse wave signal, a waveform signal representative of an electrical impedance in the target measurement site of the user, and a pulse transit time calculation unit calculating a pulse transit time based on the electrocardiogram and the pulse wave signal.
    Type: Application
    Filed: January 7, 2021
    Publication date: May 6, 2021
    Inventors: Naomi MATSUMURA, Yasuhiro KAWABATA, Kenji FUJII, Reiji FUJITA, Akito ITO
  • Publication number: 20210121114
    Abstract: A belt and electrocardiographic measurement device, the belt including a belt body windable around an upper arm in a circumferential direction of the upper arm, and an electrode array including a plurality of electrodes fixed to an inner surface of the belt body and arranged side by side in a direction, which is a longitudinal direction of the belt body, the plurality of electrodes being more than N+2 in number, where N is a number of electrodes required for obtaining electrocardiographic information, the electrodes, counted from a first electrode located at a first end in the direction (X) by counting including the first electrode, to the (N+1)th electrode in the direction (X) being arranged at equal intervals that are predetermined intervals, and intervals between each of the (N+1)th and subsequent electrodes being greater than the predetermined interval.
    Type: Application
    Filed: December 31, 2020
    Publication date: April 29, 2021
    Inventors: Reiji FUJITA, Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Akito ITO
  • Publication number: 20210022639
    Abstract: In an apparatus for measuring biological information using a radio wave, a technique for acquiring an index related to a setting position of the apparatus with respect to a measurement site is provided. A biological information measurement apparatus (1) according to an aspect of the present disclosure includes a transmitter (3) configured to transmit a radio wave toward a measurement.
    Type: Application
    Filed: April 2, 2019
    Publication date: January 28, 2021
    Applicants: OMRON Corporation, OMRON HEALTHCARE CO., LTD.
    Inventors: Ayaka IWADE, Keigo KAMADA, Satoshi YASE, Hisashi OZAWA, Masayuki SUGANO, Keisuke SAITO, Yasuhiro KAWABATA
  • Publication number: 20210007614
    Abstract: Provided is a technique for detecting a state of an occurrence of a body motion of a measurement target person affecting measurement by using an apparatus configured to measure biological information using a radio wave. A biological information measurement apparatus (1) according to an aspect of the present disclosure includes: a transmitter (3) configured to transmit a radio wave to a measurement site of a living body; a receiver (4) configured to receive a reflected wave of the radio wave by the measurement site and output a waveform signal of the reflected wave; a feature extractor (1051) configured to extract information indicating a feature of a waveform from the waveform signal; and a body motion detector (1052) configured to detect a state of an occurrence of a body motion of the living body affecting measurement of the biological information, based on the extracted information indicating the feature of the waveform.
    Type: Application
    Filed: April 2, 2019
    Publication date: January 14, 2021
    Applicants: OMRON Corporation, OMRON HEALTHCARE CO., LTD.
    Inventors: Satoshi YASE, Keigo KAMADA, Hisashi OZAWA, Ayaka IWADE, Masayuki SUGANO, Keisuke SAITO, Yasuhiro KAWABATA
  • Publication number: 20210000353
    Abstract: A blood pressure measurement device according to one aspect includes: a blood pressure measurement unit configured to measure blood pressure at a measurement target site of a measurement target subject; a pulse transit time measurement unit configured to measure a pulse transit time at the measurement target site of the measurement target subject; a blood pressure value calculation unit configured to calculate a blood pressure value, on the basis of measurement results of the pulse transit time and a relational expression representing a correlation between the pulse transit time and the blood pressure; a posture instruction unit configured to instruct the measurement target subject to assume a plurality of postures in which height positions of the measurement target site with respect to a heart of the measurement target subject are different from each other; and a calibration unit configured to calibrate the relational expression, on the basis of the blood pressure measured by the blood pressure measurement u
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Inventors: Kenji FUJII, Yasuhiro KAWABATA, Naomi MATSUMURA, Reiji FUJITA, Akito ITO
  • Publication number: 20200397318
    Abstract: A pulse transit time measuring apparatus according to one aspect includes a belt unit configured to be wrapped around a measurement site of a user, an electrocardiogram acquisition unit including electrodes provided at the belt unit and configured to acquire an electrocardiogram of the user by using the electrodes, a pulse wave signal acquisition unit including a pulse wave sensor provided at the belt unit, and configured to acquire a pulse wave signal representing a pulse wave of the user by using the pulse wave sensor, and a pulse transit time calculation unit configured to calculate a pulse transit time based on a time difference between a waveform characteristic point of the electrocardiogram and a waveform characteristic point of the pulse wave signal.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 24, 2020
    Applicants: OMRON HEALTHCARE CO., LTD., OMRON CORPORATION
    Inventors: Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Reiji FUJITA, Akito ITO
  • Publication number: 20200390229
    Abstract: A plaque detecting device including a light emitting unit which irradiates light toward a tooth, and first and second light receiving units which receive radiated light from the tooth. The first light receiving unit extracts the spectral component of a first wavelength region containing fluorescent light specific to plaque and obtains a first output value corresponding to intensity of that spectral component. The second light receiving unit extracts the spectral component of a second wavelength region containing fluorescent light specific to enamel and obtains a second output value corresponding to the intensity of this spectral component. Determination of the relative magnitude of the ratio between the first output value and the second output value as compared to a first threshold value is performed. Determination of the relative magnitude of the difference between the first output value and the second output value as compared to a second threshold value is performed.
    Type: Application
    Filed: July 6, 2020
    Publication date: December 17, 2020
    Applicants: Colgate-Palmolive Company, Omron Healthcare Co., Ltd.
    Inventors: Hideyuki YAMASHITA, Kosuke ABE, Hideaki YOSHIDA, Yasuhiro KAWABATA, Masashi KITAMURA
  • Publication number: 20200390338
    Abstract: An embodiment of the present invention provides a sphygmomanometer that is worn on a measured part of the left wrist of a subject (user) for use. In the sphygmomanometer, on an inner peripheral surface of a band-like body that constitutes a base of a band, a portion for installing a pressure cuff and a protrusion for installing an antenna substrate are separately provided, and the pressure cuff and the antenna substrate are respectively installed on these portions.
    Type: Application
    Filed: February 26, 2019
    Publication date: December 17, 2020
    Applicants: OMRON Corporation, OMRON HEALTHCARE CO., LTD.
    Inventors: Hisashi OZAWA, Keigo KAMADA, Satoshi YASE, Ayaka IWADE, Masayuki SUGANO, Keisuke SAITO, Yasuhiro KAWABATA
  • Patent number: 10856649
    Abstract: A toothbrush includes a main body that includes a head portion with a bristle raising surface on which bristles are provided in a standing manner, a grip portion, and a neck portion. A light emission portion that emits light through a specific region of the bristle raising surface toward a tooth surface and a light reception portion that receives radiated light from the tooth surface resulting from the light, through the specific region, are provided inside of the main body. It is determined whether or not there is dental plaque on the tooth surface based on the output of the light reception portion. A light reception and condensing portion that condenses the radiated light from the tooth surface toward the light reception surface of the light reception portion is arranged in the housing portion forming the specific region.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: December 8, 2020
    Assignee: OMRON HEALTHCARE CO., LTD.
    Inventors: Yasuhiro Kawabata, Hideyuki Yamashita, Kotaro Kitajo, Hideaki Yoshida
  • Patent number: 10835029
    Abstract: A toothbrush including a main body having a shape which is narrow and long in one direction; and a brush member which has a cylindrical shape and which is mounted to an end section in the lengthwise direction of the main body. The brush member includes: a head part which has a raised surface, on which bristles are erected, along the lengthwise direction of the main body to which the brush member is mounted; and a neck part which is mounted by engaging with the periphery of the end section of the main body. In the head part, a back surface on the opposite side of the raised surface is opened, and the neck part is provided with a detachment prevention mechanism that prevents the end of the main body to which the brush member is mounted from detaching.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: November 17, 2020
    Assignee: OMRON HEALTHCARE Co., Ltd.
    Inventors: Kotaro Kitajo, Hideyuki Yamashita, Yasuhiro Kawabata, Katsunori Kondo, Hideaki Yoshida
  • Publication number: 20200345245
    Abstract: An apparatus includes a first pulse wave sensor and a second pulse wave sensor that can be arranged in correspondence with respective measurement sites distant from each other. The first pulse wave sensor outputs a current signal having a first frequency to a measurement site and detects a voltage signal that represents pulse waves from the measurement site, based on a filter characteristic corresponding to the first frequency. The second pulse wave sensor outputs a current signal having a frequency different from the first frequency to a corresponding measurement site and detects a voltage signal representing pulse waves from the measurement site, based on a filter characteristic corresponding to a second frequency.
    Type: Application
    Filed: June 11, 2020
    Publication date: November 5, 2020
    Applicants: OMRON HEALTHCARE CO., LTD., OMRON CORPORATION
    Inventors: Kentaro MORI, Yasuhiro KAWABATA, Naomi MATSUMURA
  • Publication number: 20200297224
    Abstract: A first fluid bag and a second fluid bag are located side by side along an inner circumference of a belt, expand and contract upon entry and exit of a fluid, and are provided to press a measurement site from therearound while surrounding the measurement site. The fluid supply unit supplies the fluid to the first fluid bag and the second fluid bag. The pulse wave detection unit is disposed on an external surface portion of the first fluid bag and is provided to press the measurement site upon expansion of the first fluid bag. A position of the pulse wave detection unit relative to the artery passing through the measurement site is adjusted through adjustment of a ratio between a volume of the fluid in the first fluid bag and a volume of the fluid in the second fluid bag by the fluid supply unit.
    Type: Application
    Filed: June 11, 2020
    Publication date: September 24, 2020
    Applicants: OMRON HEALTHCARE Co., Ltd., OMRON Corporation
    Inventors: Kentaro MORI, Yasuhiro KAWABATA, Daisuke ISHIHARA
  • Patent number: 10743649
    Abstract: The plaque detecting device of the present invention comprises a light emitting unit (450) which irradiates ultraviolet or blue excitation light (L) toward the tooth surface (99a), and a first and second light receiving units (402) which receive radiated light (L?) from the tooth surface (99a). The first light receiving unit extracts the spectral component of a first wavelength region including the wavelength range of fluorescent light specific to plaque from the radiated light (L?), and obtains a first output value corresponding to the intensity of that spectral component. The second light receiving unit extracts, from the radiated light (L?), the spectral component of a second wavelength region containing the wavelength range of the fluorescent light specific to enamel and having a predetermined lower limit wavelength below the lower limit wavelength of the first wavelength region, and obtains a second output value corresponding to the intensity of this spectral component.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: August 18, 2020
    Assignee: Colgate Palmolive Company
    Inventors: Hideyuki Yamashita, Kosuke Abe, Hideaki Yoshida, Yasuhiro Kawabata, Masashi Kitamura
  • Publication number: 20200221961
    Abstract: A display control device of the present disclosure is configured to present information for positioning a pulse wave sensor relative to a measurement site. A measurement device includes a belt wrapped around and attached to a measurement site for measuring a pulse transit time, a sensor unit provided on an inner peripheral surface of the belt that i toward the measurement site when the belt is attached, and a display provided on an outer peripheral surface of the belt opposite to the inner peripheral surface. The display is provided on the outer peripheral surface in a site configured to face a site where the sensor unit is positioned when the belt is attached, and the sensor unit includes a first pulse wave sensor and a second pulse wave sensor disposed spaced apart from each other in a width direction of the belt.
    Type: Application
    Filed: March 9, 2020
    Publication date: July 16, 2020
    Inventors: Daisuke ISHIHARA, Yasuhiro KAWABATA
  • Publication number: 20200221959
    Abstract: A vital sign measurement device includes a belt to be worn around an upper limb of a living body, and a transmission and reception unit provided to the belt, capable of transmitting and receiving radio waves. The transmission and reception unit includes transmission and reception antenna units. The transmission antenna unit emits radio waves respectively toward an artery of the upper limb and a heart. The reception antenna unit receives radio waves respectively reflected by the artery and/or a tissue being displaced in accordance with a pulse wave of the artery and by the heart and/or a tissue being displaced in accordance a heartbeat of the heart. The vital sign measurement device includes a vital sign detection unit that acquires a pulse wave signal representing the pulse wave of the artery and a heartbeat signal representing the heartbeat of the heart based on the outputs from the reception antenna unit.
    Type: Application
    Filed: March 31, 2020
    Publication date: July 16, 2020
    Applicants: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.
    Inventors: Keigo KAMADA, Keisuke SAITO, Hisashi OZAWA, Yasuhiro KAWABATA
  • Publication number: 20200205682
    Abstract: A pulse wave measurement device of the present invention includes a transmitter configured to emit a radio wave toward a measurement target site, a receiver configured to receive the radio wave reflected from the measurement target site, and a pulse wave detector configured to detect, based on an output of the receiver, a pulse wave signal representing a pulse wave of an artery passing through the measurement target site. The radio wave emitted from the transmitter has a bandwidth narrowed by a predetermined bandwidth index.
    Type: Application
    Filed: March 9, 2020
    Publication date: July 2, 2020
    Applicants: Omron Corporation, OMRON HEALTHCARE Co., Ltd.
    Inventors: Hisashi Ozawa, Keisuke Saito, Keigo Kamada, Yasuhiro Kawabata
  • Publication number: 20200205679
    Abstract: A health device flow path formation member (500) includes a flow path (604) configured to supply fluid to a target supply member, a first opening portion (601) located at a first end of the flow path, a second opening portion (602) located at a second end of the flow path, a connection path (603), a plate-like member (610) including the connection path (603), and a joining layer (620) including the first opening portion (601), the joining layer (620) joining the plate-like member (610) to a first target attachment member (32) with the first opening portion (601) communicating with a fluid path (32a) of the first target attachment member (32). When viewed in a first direction in which the joining layer (620) and the plate-like member (610) overlap, the first opening portion (610) is disposed inward a distance from a profile line of a projection of the connection path (603) in the first direction, forming a first protrusion portion in the joining layer (620) that protrudes inward from the profile line.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Reiji FUJITA, Yasuhiro KAWABATA
  • Publication number: 20200205678
    Abstract: A blood pressure estimation device includes a display unit (10), a belt portion (20), a first contact electrode (61) and a second contact electrode (62) for detecting an electrocardiographic waveform, and a pulse wave sensor. The display unit (10) displays a blood pressure estimation result. The belt portion (20) is connected to the display unit (10) and surrounds a target measurement site. The pulse wave sensor includes a pulse wave detection unit (40E) that detects a pulse wave of an artery (91) passing through the target measurement site. The first contact electrode (61) and the pulse wave detection unit (40E) are provided on an inner circumferential portion (20a) of the belt portion (20). The second contact electrode (62) is provided on an outer circumferential portion (20b) of the belt portion (20).
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Yasuhiro KAWABATA, Naomi MATSUMURA, Naoki MATSUMOTO
  • Publication number: 20200138327
    Abstract: A biometric antenna device of the present invention includes: a conductor layer configured to face the measurement site for emitting and/or receiving the radio wave; and a dielectric layer mounted along a facing surface facing the measurement site of the conductor layer or of a base material mounting the conductor layer and extending in parallel with the conductor layer, the dielectric layer having a predetermined relative permittivity. The dielectric layer keeps a distance between an outer surface of the measurement site and the conductor layer constant, in a mounted state in which a second surface on a side opposite to a side of a first surface on a side along the conductor layer of the dielectric layer abuts on an outer surface of the measurement site.
    Type: Application
    Filed: January 7, 2020
    Publication date: May 7, 2020
    Applicants: OMRON Corporation, OMRON HEALTHCARE Co., Ltd.
    Inventors: Hisashi Ozawa, Keisuke Saito, Keigo Kamada, Yasuhiro Kawabata
  • Publication number: 20200138304
    Abstract: An antenna device for biological measurement according to the present invention includes a belt to be worn as surrounding a measurement target site of a living body. A transmission/reception antenna group is provided to the belt and includes a plurality of antenna elements. In a wearing state where the belt is worn as surrounding an outer surface of the measurement target site, a radio wave is emitted toward the measurement target site using any one of the antenna elements as a transmission antenna. A reflected radio wave is received using any one of the antenna elements as a reception antenna. A transmission/reception antenna pair formed of the transmission antenna and the reception antenna is selected by switching or weighted among the plurality of antenna elements based on a reception output.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Applicants: Omron Corporation, OMRON HEALTHCARE Co., Ltd.
    Inventors: Hisashi Ozawa, Keisuke Saito, Keigo Kamada, Yasuhiro Kawabata