Patents by Inventor Akito Ito
Akito Ito 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: 12325368Abstract: A drive device includes a driver, a determination storage, a comparator, and at least one of a control storage and a monitor storage. The control storage stores a control pattern that includes a signal instructing a conduction state of each of loads. The driver control semiconductor switches respectively corresponding to the loads according to the control pattern. The determination storage stores a determination pattern. The monitor storage stores a monitor pattern that is a result of monitoring the conduction state of each of the loads. The comparator compares the determination pattern with a comparison pattern that is at least one of the control pattern and the monitor pattern, and determine that an abnormality of the comparison pattern has occurred in response to that the determination pattern and the comparison pattern satisfy a predetermined correspondence relationship.Type: GrantFiled: August 31, 2021Date of Patent: June 10, 2025Assignee: DENSO CORPORATIONInventors: Yusuke Takahashi, Akito Ito, Kotaro Tanaka, Keisuke Atsumi
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Patent number: 12171530Abstract: 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: GrantFiled: September 1, 2020Date of Patent: December 24, 2024Assignees: OMRON HEALTHCARE CO., LTD., OMRON CORPORATIONInventors: Yasuhiro Kawabata, Kenji Fujii, Naomi Matsumura, Reiji Fujita, Akito Ito
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Publication number: 20240392146Abstract: An object of the present invention is to provide a resin that is superior in low tackiness and anti-scumming property at the time of printing and also superior in hot water treatment resistance after printing, an active energy ray-curable composition, an active energy ray-curable ink, an overcoat varnish, a paint, an adhesive, a photoresist, and a method for producing a printed matter. The present invention is a resin that is a copolymer of a monomer group including a styrene-based compound (a) and a vinyl monomer (c) having a hydrophilic group, wherein a content of the styrene-based compound (a) in the monomer group is 50.0 mol % or more and 85.0 mol % or less, and the resin has a glass transition temperature (Tg) of 100° C. or more and 150° C. or less.Type: ApplicationFiled: September 27, 2022Publication date: November 28, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Akito ITO, Noboru KOSHIMIZU, Shiro KOBAYASHI, Takejiro INOUE
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Patent number: 12138021Abstract: A biometric data measurement system and method, including a transmitting device including a measurement unit configured to measure a first biometric data, a setting unit configured to set a first reference time corresponding to an occurrence time of a first feature value of the first biometric data, and a transmission unit configured to transmit a signal at a time when a predetermined first time period has elapsed since the first reference time, and a receiving device including a measurement unit configured to measure a second biometric data, a setting unit configured to set a second reference time corresponding to an occurrence time of a second feature value of the second biometric data, and a reception unit configured to maintain an awaiting state for the signal during a third time period from a time when a second time period has elapsed since the second reference time.Type: GrantFiled: January 12, 2021Date of Patent: November 12, 2024Assignees: OMRON HEALTHCARE CO., LTD., OMRON CORPORATIONInventors: Yasuhiro Kawabata, Kenji Fujii, Naomi Matsumura, Reiji Fujita, Akito Ito
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Patent number: 12138025Abstract: A blood pressure measurement device that measures blood pressure, and relates to a cuff unit.Type: GrantFiled: January 14, 2021Date of Patent: November 12, 2024Assignee: OMRON HEALTHCARE CO., LTD.Inventors: Tatsuya Kobayashi, Yohei Asano, Yasuhiro Kawabata, Hideyuki Yamashita, Akito Ito
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Publication number: 20240268766Abstract: A blood-pressure-measuring device includes: a feature amount acquisition unit that acquires one or more feature amounts related to estimation of a blood pressure value of a human body; a blood pressure value calculation unit that calculates an estimated blood pressure value based on the feature amount; an actually measured blood pressure value acquisition unit that acquires an actually measured blood pressure value measured by a method different from the calculation by the blood pressure value calculation unit; a calibration determination unit that determines whether or not the feature amount acquired by the feature amount acquisition unit deviates from a predetermined reference value, the calibration determination unit determining to acquire the actually measured blood pressure value when the calibration determination unit has determined that the feature amount deviates; and a calibration processing unit that estimates blood pressure value.Type: ApplicationFiled: February 15, 2024Publication date: August 15, 2024Inventors: Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Akito ITO, Yuki SAKAGUCHI, Takahide TANAKA
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Publication number: 20240188874Abstract: A biological state estimation device that estimates a biological state based on at least an electrocardiographic feature amount and comprises an electrocardiographic waveform acquisition unit; an electrocardiographic feature amount extraction unit, a pulse waveform acquisition unit; a pulse wave feature amount extraction unit an electrocardiographic waveform quality determination unit; a first search reference point setting unit for setting a first reference point for searching the electrocardiographic waveform when the electrocardiographic waveform is of quality to enable extraction of the electrocardiographic feature amount; and a second search reference point setting unit that sets a second reference point for searching the electrocardiographic waveform on the basis of the pulse wave feature amount when the electrocardiographic waveform is of quality to enable extraction of the electrocardiographic feature amount.Type: ApplicationFiled: February 20, 2024Publication date: June 13, 2024Applicant: OMRON HEALTHCARE CO., LTD.Inventors: Akito ITO, Kenji FUJII, Yasuhiro KAWABATA, Naomi MATSUMURA, Yuki SAKAGUCHI
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Publication number: 20240188839Abstract: Highly accurate blood pressure estimation based on a circulatory organ-related feature amount can be performed. A blood pressure estimation device includes a blood pressure estimation unit configured to acquire a circulatory organ-related feature amount that is a feature amount related to a state of a circulatory organ and changes in accordance with pulsation of a heart and to calculate a blood pressure value from the circulatory organ-related feature amount, and a reference blood pressure measurement unit including a sound wave detection unit configured to detect Korotkoff sound generated in accordance with the pulsation, the reference blood pressure measurement unit being configured to measure a reference blood pressure value by using the Korotkoff sound. The blood pressure estimation unit includes a feature amount acquisition unit configured to acquire the circulatory organ-related feature amount.Type: ApplicationFiled: February 15, 2024Publication date: June 13, 2024Inventors: Akito ITO, Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Yuki SAKAGUCHI
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Patent number: 11993215Abstract: A drive device includes: a control storage unit of a current value of a control signal indicating a drive state of each of loads; a drive unit of the switches according to the current value; an acquisition unit of a current drive state of each load; a determination storage unit of a transition determination value; and a determination unit that compares a correlated drive state of each load correlated with the current value with the transition determination value, and determines that the current value is abnormal when the correlated drive state and the transition determination value satisfy a predetermined corresponding relationship.Type: GrantFiled: August 27, 2021Date of Patent: May 28, 2024Assignee: DENSO CORPORATIONInventors: Yusuke Takahashi, Akito Ito, Kotaro Tanaka, Keisuke Atsumi
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Patent number: 11997114Abstract: A drive device includes: a receiving unit of a load control signal indicative of a drive state of each load; a control storage unit of the load control signal; a drive unit of the switches according to the load control signal; an acquisition unit of a current drive state of each load at a present time, or a current vehicle state; a determination storage unit of a transition determination value; and a determination unit that compares a correlated drive state of each load correlated with the load control signal with the transition determination value, and determines that the load control signal is abnormal when the correlated drive state and the transition determination value satisfy a predetermined corresponding relationship.Type: GrantFiled: August 27, 2021Date of Patent: May 28, 2024Assignee: DENSO CORPORATIONInventors: Akito Ito, Yusuke Takahashi, Kotaro Tanaka
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Patent number: 11963778Abstract: 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: GrantFiled: December 31, 2020Date of Patent: April 23, 2024Assignees: OMRON HEALTHCARE CO., LTD., OMRON CORPORATIONInventors: Reiji Fujita, Yasuhiro Kawabata, Kenji Fujii, Naomi Matsumura, Akito Ito
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Publication number: 20240122517Abstract: A biological information measurement device adapted to be attached on an upper arm of a human body and used thereon includes a belt portion adapted to be wound around the upper arm, electrocardiographic measurement means including a plurality of electrodes for detecting an electrocardiographic signal of the human body, pulse wave measurement means including a pulse wave sensor for detecting a pulse wave of the human body, heartbeat vibration measurement means including a vibration sensor for detecting vibration caused by beating of a heart of the human body, and an analysis processing unit configured to calculate a pre-ejection time and a pulse transit time of the heart based on time series data of the electrocardiographic signal, time series data of the pulse wave, and time series data of the vibration caused by the beating of the heart.Type: ApplicationFiled: December 12, 2023Publication date: April 18, 2024Inventors: Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Akito ITO, Yuki SAKAGUCHI, Reiji FUJITA, Daizo OKA
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Publication number: 20240081718Abstract: A biological information measurement device includes a sensor unit that detects predetermined biological information related to an organ of a living body, an A/D conversion unit that converts a measurement signal output from the sensor unit into a digital signal, a storage unit that stores information including a digital signal related to the measurement signal output from the A/D conversion unit, an analysis processing unit that determines presence or absence of a suspicion of an abnormality in the organ by analyzing the digital signal, and a measurement control unit that changes a sampling frequency related to A/D conversion of the measurement signal under a predetermined condition when the analysis processing unit has determined that a suspicion of an abnormality is present in the organ.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Inventors: Kenji FUJII, Yasuhiro KAWABATA, Naomi MATSUMURA, Akito ITO, Yuki SAKAGUCHI, Daizo OKA, Takuya YOSHIDA, Seiji FUKUNAGA, Tatsuaki OKA
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Publication number: 20240084153Abstract: An object of the present invention is to provide an active energy ray-curable lithographic printing ink set that is excellent in superimposition of inks, and a method for producing a printed material using the same. The present invention is an active energy ray-curable printing ink set including at least one ink of black or chromatic color including at least any one of a black pigment, a cyan pigment, a magenta pigment, and a yellow pigment, and a white ink including a white pigment, wherein at least one of the ink of black or chromatic color is the black/chromatic ink (1) having a tack value of 5.0 or more and 12.0 or less at 400 rpm measured with an inkometer at 38° C., and the white ink has a tack value of 1.0 or more and 5.0 or less at 400 rpm measured with an inkometer at 38° C.Type: ApplicationFiled: January 25, 2022Publication date: March 14, 2024Applicant: TORAY INDUSTRIES, INC.Inventors: Akito ITO, Noboru KOSHIMIZU, Takejiro INOUE
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Patent number: 11729017Abstract: A load drive system includes a communication bus; a controller; and a driver. The controller has a CAN transceiver and a CAN controller that transmit an instruction message instructing a drive state of a solenoid of an automatic transmission via the communication bus. The driver has (i) a CAN transceiver and a CAN controller that receive the instruction message via the communication bus, and (ii) a drive circuit that drives the solenoid according to the received instruction message. The controller transmits a first periodic message in a first cycle and a second periodic message in a second cycle, respectively as the instruction message.Type: GrantFiled: August 16, 2021Date of Patent: August 15, 2023Assignee: DENSO CORPORATIONInventors: Akito Ito, Yusuke Takahashi, Kotaro Tanaka
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Patent number: 11719333Abstract: A load drive system, capable of providing certainty about instructions transmitted from a load control device to a load drive device as well as suppressing an increase of processing load, includes an ECU, a drive device, a communication bus to which the ECU and the drive device are connected, and a third signal line different from the communication bus connecting the ECU and the drive device. The ECU generates a frame including a drive instruction message, and transmits the message to the drive device via the communication bus. The drive device receives the frame via the communication bus, and extracts the drive instruction message from data of data field in the received frame. The drive device converts the drive instruction message into a load drive signal, and notifies the converted load drive signal to the ECU via the third signal line.Type: GrantFiled: December 22, 2021Date of Patent: August 8, 2023Assignee: DENSO CORPORATIONInventors: Akito Ito, Yusuke Takahashi, Keisuke Atsumi
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Publication number: 20230021062Abstract: A belt used in an electrocardiographic measurement apparatus includes a belt body to be wrapped around a living body, three or more base electrodes disposed in a longitudinal direction of the belt body, and two or more cap electrodes detachable and attachable to the base electrodes and smaller in number than the number of base electrodes.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Inventors: Yuki SAKAGUCHI, Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Reiji FUJITA, Akito ITO, Nozomi KAWAI
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Publication number: 20230012971Abstract: To provide an electrocardiographic measurement apparatus that can prevent a variety of subjects from having discomfort when the apparatus is attached to the subjects. The electrocardiographic measurement apparatus includes: a plurality of electrodes that has a length along a circumferential direction of an upper arm, the length being variable in accordance with a length in the circumferential direction of the upper arm, and detects an electric potential from the upper arm that is brought into contact with the electrodes; and a device body that generates electrocardiographic information based on the electric potential detected by the plurality of electrodes.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Inventors: Akito ITO, Reiji FUJITA, Yasuhiro KAWABATA
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Publication number: 20230012616Abstract: To provide a belt that can be closely attached to an upper arm, and an electrocardiographic measurement apparatus. A belt includes a belt body formed in a band shape, and an electrode including a plurality of electrode pieces disposed on a main surface of the belt body, located side by side in a short direction of the belt body, and connected in series by a signal line.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Inventors: Reiji FUJITA, Akito ITO, Yasuhiro KAWABATA
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Publication number: 20220409135Abstract: An electrode-equipped band includes a first band section and a second band section extending along a longitudinal direction. The second band section includes a first stretchable section, an electrode, a second stretchable section, a ring member, a fold-back section, and a joining section. The first stretchable section has first stretchability along the longitudinal direction. The electrode is provided on a first surface of the first stretchable section. The second stretchable section overlaps with the first stretchable section on a side of a second surface of the first stretchable section, and has second stretchability that allows greater stretch along the longitudinal direction than the first stretchable section. The ring member is provided at a position corresponding to a band end along the longitudinal direction of the second band section, and may be connected to the first band section.Type: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Inventors: Reiji FUJITA, Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Akito ITO, Yuki SAKAGUCHI