Patents by Inventor Hiroshi Tsuboi
Hiroshi Tsuboi 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: 20230292965Abstract: An abnormality detection system according to an embodiment has an acquisition unit that acquires information that indicates a tendency of a usage state of one use item that is provided as an item for use that is executed by a user of a toilet, and a determination unit that determines that an abnormality concerning the one use item occurs in a case where a tendency of the usage state of the one use item is separated from a use tendency of the one use item in past.Type: ApplicationFiled: March 8, 2023Publication date: September 21, 2023Inventors: Tetsuhiro Wasada, Yoshihiro Sugita, Miho Otake, Shoma Morishita, Koki Nomura, Masamichi Tosaki, Hiroshi Tsuboi
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Publication number: 20230284839Abstract: There is provided a bathtub apparatus capable of satisfactorily detecting an electrocardiographic signal even in a state where water is being discharged into a bathtub by a water discharge device. The present invention is a bathtub apparatus (1) including a bathtub main body (2), a water discharge device (8) that discharges water toward inside of the bathtub main body and is provided above a first inner wall surface (2a) forming a short side of the bathtub main body, and electrodes (4a, 4b, 4c) attached to the bathtub main body to detect an electrocardiographic signal of a bathing person, where the electrodes are arranged on an inner wall surface of the bathtub main body, and are arranged closer to the first inner wall surface than a position (P) where water discharged from the water discharge device hits a water surface of the water stored in the bathtub main body.Type: ApplicationFiled: July 7, 2021Publication date: September 14, 2023Inventors: Hiroshi TSUBOI, Koji SONODA, Kei WATANABE, Yu ICHIKAWA, Masayoshi ENOKI, Kensuke AZUMA, Ryoko UNO, Mao JINDE, Yuwa ISHII, Kenji FURUKAWA, Hiroki KURITA
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Patent number: 10736474Abstract: A toilet seat device includes a main part, a toilet seat, a load sensor, a controller, and a memory. The toilet seat includes a seating part where a user is seated, and a support leg part supporting a load applied to the seating part. The load sensor is provided in the support leg part and detects the load applied to the support leg part. The controller performs at least a body weight measurement of the user based on a detection result of the load sensor. The controller includes a register mode and a normal-use mode in the body weight measurement. The register mode includes determining an estimated value for estimating the total body weight of the user from the seated load. The normal-use mode includes estimating a load value relating to the total body weight of the user based on the estimated value.Type: GrantFiled: March 14, 2019Date of Patent: August 11, 2020Assignee: TOTO LTD.Inventors: Takeshi Takaki, Hiroshi Tsuboi, Hitoaki Higuchi, Koji Sonoda, Keisuke Tashiro, Tomohiro Hara, Yo Morotomi
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Publication number: 20200150122Abstract: The biological information measurement system of the present invention includes a test subject-side device provided in a toilet installation room, and a server communicable with the test subject-side device, the test subject-side device includes a sulfur-containing gas sensor sensitive to sulfur-containing gas and outputting detection data, a transmitter-receiver transmitting measurement data including detection data of the sulfur-containing gas detected by the sulfur-containing gas sensor to the server, and the server includes a database in which measurement data including detection data of sulfur-containing gas detected by the sulfur-containing gas sensor is accumulated and recorded with dates and times of defecation acts by being associated with test subject identification information, and server-side data analyzer that analyzes physical condition of a test subject on the basis of a time-dependent variation tendency of the measurement data accumulated and recorded in the database.Type: ApplicationFiled: January 15, 2020Publication date: May 14, 2020Inventors: Aya HASEGAWA, Tetsuhiro WASADA, Aya TAKAO, Satoko KIZUKA, Hidenori OKA, Akemi TAKESHITA, Masayuki NAGAISHI, Koji SONODA, Shingo YAMAYA, Hiroshi TSUBOI
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Patent number: 10571470Abstract: The biological information measurement system of the present invention includes a test subject-side device provided in a toilet installation room, and a server communicable with the test subject-side device, the test subject-side device includes a sulfur-containing gas sensor sensitive to sulfur-containing gas and outputting detection data, a transmitter-receiver transmitting measurement data including detection data of the sulfur-containing gas detected by the sulfur-containing gas sensor to the server, and the server includes a database in which measurement data including detection data of sulfur-containing gas detected by the sulfur-containing gas sensor is accumulated and recorded with dates and times of defecation acts by being associated with test subject identification information, and server-side data analyzer that analyzes physical condition of a test subject on the basis of a time-dependent variation tendency of the measurement data accumulated and recorded in the database.Type: GrantFiled: December 14, 2015Date of Patent: February 25, 2020Assignee: TOTO LTD.Inventors: Aya Hasegawa, Tetsuhiro Wasada, Aya Takao, Satoko Kizuka, Hidenori Oka, Akemi Takeshita, Masayuki Nagaishi, Koji Sonoda, Shingo Yamaya, Hiroshi Tsuboi
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Publication number: 20190290079Abstract: A toilet seat device includes a main part, a toilet seat, a load sensor, a controller, and a memory. The toilet seat includes a seating part where a user is seated, and a support leg part supporting a load applied to the seating part. The load sensor is provided in the support leg part and detects the load applied to the support leg part. The controller performs at least a body weight measurement of the user based on a detection result of the load sensor. The controller includes a register mode and a normal-use mode in the body weight measurement. The register mode includes determining an estimated value for estimating the total body weight of the user from the seated load. The normal-use mode includes estimating a load value relating to the total body weight of the user based on the estimated value.Type: ApplicationFiled: March 14, 2019Publication date: September 26, 2019Inventors: Takeshi Takaki, Hiroshi Tsuboi, Hitoaki Higuchi, Koji Sonoda, Keisuke Tashiro, Tomohiro Hara, Yo Morotomi
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Patent number: 9897044Abstract: A control system of an engine is provided. The control system includes an exhaust emission control catalyst provided in an exhaust passage, a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purging unit for performing a purge to supply a purge gas to an intake passage during the deceleration fuel cutoff, an evaporated fuel supply amount estimating module for estimating a supply amount of evaporated fuel to the intake passage when the purge is performed, and a catalyst temperature estimating module for estimating a temperature of the exhaust emission control catalyst when the purge is performed, based on the supply amount of the evaporated fuel. The purging unit controls a supply flow rate of the purge gas to the intake passage when the purge is performed, based on the exhaust emission control catalyst temperature.Type: GrantFiled: January 27, 2016Date of Patent: February 20, 2018Assignee: Mazda Motor CorporationInventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi
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Patent number: 9890724Abstract: A control system of an engine in which a purge gas containing evaporated fuel desorbed from a canister is supplied to an intake passage of the engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff to stop a fuel supply from an injector to the engine when a predetermined deceleration fuel cutoff condition is satisfied in a decelerating state of the engine, a purge unit for purging by supplying the purge gas to the intake passage during the deceleration fuel cutoff, an O2 sensor provided in an exhaust passage of the engine, an abnormality determining module for determining an abnormality of the O2 sensor based on a change of an output value of the O2 sensor that is caused by the deceleration fuel cutoff, and a purge restricting module for restricting the purge during the abnormality determination.Type: GrantFiled: January 28, 2016Date of Patent: February 13, 2018Assignee: Mazda Motor CorporationInventors: Kazuaki Tanaka, Hiroshi Tsuboi, Yuusou Sakamoto
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Publication number: 20170370936Abstract: The biological information measurement system of the present invention includes a test subject-side device provided in a toilet installation room, and a server communicable with the test subject-side device, the test subject-side device includes a sulfur-containing gas sensor sensitive to sulfur-containing gas and outputting detection data, a transmitter-receiver transmitting measurement data including detection data of the sulfur-containing gas detected by the sulfur-containing gas sensor to the server, and the server includes a database in which measurement data including detection data of sulfur-containing gas detected by the sulfur-containing gas sensor is accumulated and recorded with dates and times of defecation acts by being associated with test subject identification information, and server-side data analyzer that analyzes physical condition of a test subject on the basis of a time-dependent variation tendency of the measurement data accumulated and recorded in the database.Type: ApplicationFiled: December 14, 2015Publication date: December 28, 2017Inventors: Aya HASEGAWA, Tetsuhiro WASADA, Aya TAKAO, Satoko KIZUKA, Hidenori OKA, Akemi TAKESHITA, Masayuki NAGAISHI, Koji SONODA, Shingo YAMAYA, Hiroshi TSUBOI
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Patent number: 9638125Abstract: A control system of an engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purge unit for purging by supplying a purge gas to an intake passage during the deceleration fuel cutoff, an exhaust emission control catalyst provided in an exhaust passage, an O2 sensor provided at a position of the exhaust passage downstream of the exhaust emission control catalyst, an abnormality determining module for determining an abnormality of the exhaust emission control catalyst, and a purge restricting module for restricting the purge during an immediately previous deceleration fuel cutoff.Type: GrantFiled: January 28, 2016Date of Patent: May 2, 2017Assignee: Mazda Motor CorporationInventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi
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Publication number: 20170089875Abstract: The present invention is a biological information measurement system that measures physical condition of a test subject, and includes: a suction device that sucks gas in the bowl; a gas detector with a gas sensor sensitive to odiferous gas and hydrogen gas included in the defecation gas; a control device; a data analyzer that analyzes the physical condition of the test subject on the basis of detection data; and an output device that outputs an analysis result. In the system, the gas sensor includes first and second detectors that have different sensitivities to hydrogen gas and odiferous gas, and detect first and second detection data, respectively, and the data analyzer includes a gas arithmetic circuit that acquires concentration of odiferous gas on the basis of a conversion table of a relationship between the first and second detection data and concentration of the odiferous gas.Type: ApplicationFiled: September 20, 2016Publication date: March 30, 2017Inventors: Aya HASEGAWA, Satoko KIZUKA, Masayuki NAGAISHI, Akemi TAKESHITA, Shingo YAMAYA, Hidenori OKA, Koji SONODA, Hiroshi TSUBOI
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Publication number: 20160237926Abstract: A control system of an engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purge unit for purging by supplying a purge gas to an intake passage during the deceleration fuel cutoff, an exhaust emission control catalyst provided in an exhaust passage, an O2 sensor provided at a position of the exhaust passage downstream of the exhaust emission control catalyst, an abnormality determining module for determining an abnormality of the exhaust emission control catalyst, and a purge restricting module for restricting the purge during an immediately previous deceleration fuel cutoff.Type: ApplicationFiled: January 28, 2016Publication date: August 18, 2016Inventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi
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Publication number: 20160230707Abstract: A control system of an engine is provided. The control system includes an exhaust emission control catalyst provided in an exhaust passage, a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purging unit for performing a purge to supply a purge gas to an intake passage during the deceleration fuel cutoff, an evaporated fuel supply amount estimating module for estimating a supply amount of evaporated fuel to the intake passage when the purge is performed, and a catalyst temperature estimating module for estimating a temperature of the exhaust emission control catalyst when the purge is performed, based on the supply amount of the evaporated fuel. The purging unit controls a supply flow rate of the purge gas to the intake passage when the purge is performed, based on the exhaust emission control catalyst temperature.Type: ApplicationFiled: January 27, 2016Publication date: August 11, 2016Inventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi
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Publication number: 20160230681Abstract: A control system of an engine in which a purge gas containing evaporated fuel desorbed from a canister is supplied to an intake passage of the engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff to stop a fuel supply from an injector to the engine when a predetermined deceleration fuel cutoff condition is satisfied in a decelerating state of the engine, a purge unit for purging by supplying the purge gas to the intake passage during the deceleration fuel cutoff, an O2 sensor provided in an exhaust passage of the engine, an abnormality determining module for determining an abnormality of the O2 sensor based on a change of an output value of the O2 sensor that is caused by the deceleration fuel cutoff, and a purge restricting module for restricting the purge during the abnormality determination.Type: ApplicationFiled: January 28, 2016Publication date: August 11, 2016Inventors: Kazuaki Tanaka, Hiroshi Tsuboi, Yuusou Sakamoto
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Publication number: 20160223551Abstract: It is an object of the present invention to provide a biological information measurement system capable of notifying poor physical condition. The present invention is a system (1) that measures physical condition on the basis of defecation gas, and that includes: a test subject identification device; a suction device (18) that sucks gas in a bowl; a gas detector (20) that reacts to methyl mercaptan gas contained in the sucked gas; a control device (22) that controls the suction device and the gas detector; a storage device that stores first detection data; a data analyzer that analyzes physical condition of a test subject on the basis of time-dependent change in a plurality of first detection data items that is acquired in a defecation act performed multiple times in a predetermined period; and an output device that outputs an analysis result.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: Satoko KIZUKA, Hiroshi TSUBOI, Masayuki NAGAISHI, Koji SONODA, Hidenori OKA, Akemi TAKESHITA, Masahiro YAMAMOTO, Akitoshi SAKAGUCHI
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Publication number: 20160220170Abstract: There is provided a diagnosis system that is capable of allowing general consumers to readily purchase it, as well as capable of measuring defecation gas at home. The present invention is a system (1) including a device (10) on a test subject side, and a server (12), the test subject side device includes a suction device, a gas detector, a test subject identification device, a control device, and a communication device, the server has a database (12a) in which first detection data of odiferous gas, and test subject disease data are accumulated and recorded, and the server side data analyzer is provided with relating means that generates affected test subject defecation gas data, similarity determination means that compares a time-dependent change characteristic of the affected test subject defecation gas data, and a time-dependent change characteristic of test subject defecation gas data.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: Aya HASEGAWA, Tetsuhiro WASADA, Aya TAKAO, Satoko KIZUKA, Hidenori OKA, Akemi TAKESHITA, Masayuki NAGAISHI, Koji SONODA, Shingo YAMAYA, Hiroshi TSUBOI
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Publication number: 20160223552Abstract: It is an object of the present invention to provide a biological information measurement system which can be readily purchased by general consumers, and can measure defecation gas in households. The present invention is a biological information measurement system (1) that measures physical condition of a test subject on the basis of defecation gas, having a suction device (18), a gas detector (20) sensitive to odiferous gas, a control device (22), a data analyzer (60) that analyzes the physical condition of the test subject, and an output device (68), and the data analyzer adopts detection data concerning initial excretion at a time of a predetermined increase in the odiferous gas being firstly detected by the gas detector, in a defecation period after the test subject sits on a seat of a flush toilet, as the first detection data.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: Satoko KIZUKA, Hiroshi TSUBOI, Masayuki NAGAISHI, Koji SONODA, Hidenori OKA, Akemi TAKESHITA, Shingo YAMAYA, Aya HASEGAWA
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Publication number: 20160223548Abstract: It is an object of the present invention to provide a biological information measurement system capable of detecting odiferous gas in defecation gas at sufficient accuracy. The present invention is a system (1) that measures physical condition of a test subject on the basis of a defecation gas, and that includes: a suction device (18); a gas detector (20) with a gas sensor sensitive to an odiferous gas; a control device; a data analyzer (60) that analyzes the physical condition of the test subject; and an output device (68), and a detecting portion of the gas sensor detects gas at an oxidation-reduction temperature at which the detecting portion reacts to the hydrogen gas by an oxidation-reduction reaction, and at an oxidation-reduction reduced temperature at which an oxidation-reduction reaction to the hydrogen gas is deteriorated to relatively raise sensitivity of the detecting portion to the odiferous gas.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: Satoko KIZUKA, Hiroshi TSUBOI, Masayuki NAGAISHI, Hidenori OKA, Akemi TAKESHITA, Koji SONODA, Aya HASEGAWA, Shingo YAMAYA, Masahiro YAMAMOTO, Akitoshi SAKAGUCHI, Yasuhiro SETOGUCHI, Kuniyuki IZAWA
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Publication number: 20160223519Abstract: There is provided a diagnosis system that is capable of allowing general consumers to readily purchase it, as well as capable of measuring defecation gas at home. The system of the present invention includes: a suction device that sucks gas in the bowl into which defecation gas is discharged by a test subject; a gas detector provided with a gas sensor that is sensitive to methyl mercaptan gas included in the gas sucked by the suction device; a control device that controls the suction device and the gas detector; a data analyzer that analyzes physical condition of the test subject on the basis of detection data acquired by the gas detector; and an output device that outputs an analysis result acquired by the data analyzer, and the data analyzer includes a reliability determination circuit for determining reliability of detection by the gas detector.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: Shingo YAMAYA, Koji SONODA, Aya HASEGAWA, Hiroshi TSUBOI, Masayuki NAGAISHI, Akemi TAKESHITA, Satoko KIZUKA, Hidenori OKA
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Publication number: 20160223549Abstract: It is an object of the present invention to provide a biological information measurement system capable of reliably detecting odiferous gas discharged from a test subject. The present invention is a biological information measurement system (1) that measures physical condition of the test subject on the basis of defecation gas, and that includes: a suction device (18) that sucks gas in a bowl (2a); a gas detector (20) provided with a gas sensor that reacts to methyl mercaptan gas contained in the sucked gas; a control device (22) that controls the suction device and the gas detector; a data analyzer (60) that analyzes physical condition of the test subject; an output device that outputs this analysis result; and output result stabilizing mean for reducing influence of odiferous noise on the analysis result to be outputted by the output device, on the basis of the odiferous noise.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: Satoko KIZUKA, Hiroshi TSUBOI, Masayuki NAGAISHI, Koji SONODA, Hidenori OKA, Akemi TAKESHITA, Shingo YAMAYA, Aya HASEGAWA