Patents by Inventor Junichi Matsuo
Junichi Matsuo 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: 20210376353Abstract: During performance of low efficiency power generation, a control device controls the flow rate of feed of the oxidizing agent gas so that the amount of heat generation of the fuel cell accompanying power generation loss becomes a first amount of heat generation when the state of a mount on which the fuel cell system is mounted is a first mode and controls the flow rate of feed of the oxidizing agent gas so that the amount of heat generation becomes a second amount of heat generation smaller than the first amount of heat generation when the state of the mount is a second mode where the generated electric power of the fuel cell fluctuates more easily compared with the first mode.Type: ApplicationFiled: April 20, 2021Publication date: December 2, 2021Inventors: Ryouichi NAMBA, Junichi MATSUO, Hiroyuki TSUNEKAWA
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Publication number: 20210367253Abstract: A fuel cell system comprising: the fuel cell, the secondary cell and a controller, wherein, when a power generation pretreatment of the fuel cell is carried out, and when there is a request from the fuel cell to run the vehicle by output power of the secondary cell, the controller calculates discharge permission energy of the secondary cell, calculates a running permission delay request time from the discharge permission energy, which is a time necessary from the request to run the vehicle to the permission to run the vehicle, and measures a running permission delay time, which is a time that elapsed from the request to run the vehicle, and wherein, when the running permission delay request time value is smaller than the running permission delay time value, the controller permits the vehicle to run.Type: ApplicationFiled: May 13, 2021Publication date: November 25, 2021Inventor: Junichi MATSUO
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Publication number: 20210362620Abstract: A fuel cell system installed in a vehicle, the system comprising: a fuel cell, a secondary cell, a temperature acquirer for acquiring a temperature of the fuel cell, a state-of-charge value acquirer for acquiring a state-of-charge-value of the secondary cell, an outside temperature acquirer for acquiring an outside temperature, an outside pressure acquirer for acquiring an outside pressure, and a controller for controlling power of the secondary cell, wherein, when the temperature of the fuel cell exceeds a predetermined temperature, when the state-of-charge value of the secondary cell is a predetermined threshold value or more, when the outside temperature is a predetermined temperature or more, and when the outside pressure is a predetermined pressure or less, the controller increases the power of the secondary cell larger than power required of the secondary cell for normal running of the vehicle.Type: ApplicationFiled: May 13, 2021Publication date: November 25, 2021Inventor: Junichi MATSUO
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Publication number: 20210367282Abstract: A fuel cell system installed in a vehicle, the system comprising: a fuel cell, a secondary cell, a system temperature acquirer for acquiring a temperature of an inside of the fuel cell system, and a controller, wherein, when the system temperature is a predetermined first temperature or less, the controller charges the secondary cell until a state-of-charge value of the secondary cell reaches a predetermined first threshold value, and the controller carries out a first pattern purge on the fuel cell, and wherein, when the system temperature exceeds the predetermined first temperature, the controller charges the secondary cell until the state-of-charge value of the secondary cell reaches a predetermined second threshold value that is larger than the predetermined first threshold value, and the controller carries out a second pattern purge having a shorter purge time than the first pattern purge on the fuel cell.Type: ApplicationFiled: May 13, 2021Publication date: November 25, 2021Inventor: Junichi MATSUO
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Patent number: 11181475Abstract: A gas analysis device includes a light source configured to emit laser beam to a target gas, a reflection body which reflects the laser beam, a light reception device that receives the laser beam reflected by the reflection body, a container which contains the light source and the light reception device, and an alignment mechanism that includes an insertion member inserted from outside of the container to inside of the container to move, along a plane intersecting with the irradiation direction of the laser beam, at least any one of the light source and the light reception device.Type: GrantFiled: April 4, 2019Date of Patent: November 23, 2021Assignee: YOKOGAWA ELECTRIC CORPORATIONInventors: Junichi Matsuo, Toshiki Miyasaka, Takuya Kawashima, Mamoru Hirono
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Patent number: 11184567Abstract: An imaging device includes: a light source emitting light based on a first pulse; a solid-state imaging element including pixel units and exposing the light based on a second pulse; and a signal processor. Each pixel unit includes a photoelectric converter and charge accumulating units, and generates first to third signal charges by first to third exposure processes in this order to be accumulated in the charge accumulating units. Each of the first and third exposure processes is based on the second pulse delayed from the first pulse by a first period, and the second exposure process is based on the second pulse delayed from the first pulse by a second period. A total period of the first and third exposure processes is equal to that of the second exposure process. The signal processor calculates a distance signal for each pixel unit by using the first to third signal charges.Type: GrantFiled: January 29, 2021Date of Patent: November 23, 2021Assignee: NUVOTON TECHNOLOGY CORPORATION JAPANInventors: Mitsuhiko Otani, Junichi Matsuo
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Patent number: 11171349Abstract: A fuel cell vehicle comprises a fuel cell, a power storage device, a drive motor, a temperature sensor configured to measure a temperature of the fuel cell, a detector configured to detect an operation condition of the fuel cell, and a controller. At a start time of the fuel cell, in a case where the temperature of the fuel cell detected by the temperature sensor is below a freezing point, when an output condition of the fuel cell shown by the detected operation condition of the fuel cell continuously corresponds to a predetermined low output condition for a predetermined reference time period or longer, the controller sets a driving state of the fuel cell vehicle to a first driving state that stops power generation of the fuel cell, drives the drive motor by using only the power storage device as a power source and limits a motor output of the drive motor to be equal to or lower than a predetermined first upper limit output.Type: GrantFiled: June 12, 2019Date of Patent: November 9, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohiro Ogawa, Tomotaka Ishikawa, Shinji Asou, Tomio Yamanaka, Junichi Matsuo, Ryosuke Oya
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Patent number: 11162828Abstract: A measurement apparatus includes a sensor probe and a circuit housing. The sensor probe is insertable through an opening provided in a flow path wall of a flow path through which a fluid to be measured flows and is used in a predetermined orientation relative to the flow direction of the fluid to be measured. The circuit housing includes a display, disposed outside of the flow path, and connects to the sensor probe. The circuit housing is fixable at a plurality of rotation positions relative to the sensor probe about an axis along the insertion direction of the sensor probe. The measurement apparatus allows the display direction of the display to be selected regardless of the orientation of the sensor probe.Type: GrantFiled: April 25, 2019Date of Patent: November 2, 2021Assignee: Yokogawa Electric CorporationInventors: Takuya Kawashima, Toshiki Miyasaka, Junichi Matsuo
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Patent number: 11089270Abstract: A solid-state imaging device includes pixels arranged in matrix form, each including a photoelectric converter and first transfer electrodes, and control lines connected to mutually-corresponding ones of the first transfer electrodes in pixels arranged in a specific row. The pixels include first pixels that receive visible light and second pixels that receive infrared light. Each of floating diffusion layer-including pixels, which are some of the plurality of pixels, further includes a floating diffusion layer and a readout circuit. Each floating diffusion layer-lacking pixel shares the floating diffusion layer with one of the first pixels arranged in a column direction. At least some of the control lines are further connected to the first transfer electrodes of pixels arranged adjacent in the column direction to respective ones of the pixels arranged in the specific row and that share at least one of the floating diffusion layers.Type: GrantFiled: March 9, 2020Date of Patent: August 10, 2021Assignee: NUVOTON TECHNOLOGY CORPORATION JAPANInventors: Junichi Matsuo, Sei Suzuki
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Patent number: 11069909Abstract: In a fuel cell vehicle, when temperature of a power storage device detected by a temperature sensor is a second temperature, which is lower than a predetermined first temperature, at least in a period when the power storage device is allowed to be charged with regenerative electric power, remaining charge is controlled by setting a lower limit to a value higher than a lower limit set at the first temperature. When a stop instruction for a fuel cell system is input, remaining charge raising processing for raising the remaining charge of the power storage device is performed.Type: GrantFiled: September 27, 2019Date of Patent: July 20, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takao Watanabe, Tomoya Ogawa, Tatsuya Fukami, Junichi Matsuo
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Publication number: 20210202967Abstract: A fuel cell system includes a fuel cell, a gas supply unit, an electric power storage device, a remaining capacity monitor, and a control unit. The control unit determines whether the temperature conditions are met, wherein the low temperature conditions include temperature related to a state of the fuel cell being equal to or lower than a predetermined threshold value set, when the control unit determines that the low temperature conditions are met, the control unit executes the purging process so as to discharge more of moisture stored in the fuel cell to an outside of the fuel cell, as compared with when the control unit determines that the low temperature conditions are not met, and the control unit executes the charging process with target remaining capacity of the electric power storage device set to a smaller value, as compared with when the control unit determines that the low temperature conditions are not met.Type: ApplicationFiled: December 4, 2020Publication date: July 1, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoya OGAWA, Junichi MATSUO, Tatsuya FUKAMI
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Publication number: 20210160446Abstract: An imaging device includes: a light source emitting light based on a first pulse; a solid-state imaging element including pixel units and exposing the light based on a second pulse; and a signal processor. Each pixel unit includes a photoelectric converter and charge accumulating units, and generates first to third signal charges by first to third exposure processes in this order to be accumulated in the charge accumulating units. Each of the first and third exposure processes is based on the second pulse delayed from the first pulse by a first period, and the second exposure process is based on the second pulse delayed from the first pulse by a second period. A total period of the first and third exposure processes is equal to that of the second exposure process. The signal processor calculates a distance signal for each pixel unit by using the first to third signal charges.Type: ApplicationFiled: January 29, 2021Publication date: May 27, 2021Inventors: Mitsuhiko OTANI, Junichi MATSUO
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Publication number: 20210118926Abstract: A distance-measuring imaging device includes a light source that applies light according to timing of a light emission signal; a solid-state imager that performs, for an object, exposure according to timing of an exposure signal, and generates raw data corresponding to an exposure amount of the exposure; a signal amount comparator that determines a magnitude relationship in signal amount in the raw data; and a distance calculator that generates and outputs a distance signal based on a determination result. The solid-state imager accumulates, in each of different signal accumulation regions for accumulating signals detected in a same pixel, a signal by exposure in an exposure period that differs in exposure signal timing. The signal amount comparator determines the magnitude relationship between the signals accumulated in the signal accumulation regions. The distance calculator calculates the distance to the object using an arithmetic expression selected depending on the determination result.Type: ApplicationFiled: December 23, 2020Publication date: April 22, 2021Inventors: Mitsuhiko Otani, Junichi Matsuo, Haruka Takano
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Patent number: 10957924Abstract: A fuel cell system comprises a fuel cell, a gas-liquid separator, a drain flow path through which moisture is discharged from the gas-liquid separator, a valve configured to control discharge of the moisture from the gas-liquid separator, and a controller configured to control fuel cell operation and opening and closing of the valve, and determine whether the valve is frozen. Upon receipt of a stop request of the fuel cell during the fuel cell operation, the controller repeatedly determines whether the valve is frozen. If the controller determines that the valve is frozen, it continues the fuel cell operation until it determines that the valve is not frozen. If the controller determines that the valve is not frozen, it executes stop processing of the fuel cell including opening valve processing.Type: GrantFiled: July 9, 2019Date of Patent: March 23, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junichi Matsuo, Tomotaka Ishikawa, Tomohiro Ogawa, Tomio Yamanaka
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Patent number: 10908082Abstract: A gas analyzer includes an optical emitter that irradiates measurement light into a measurement region including a measured-gas, a first optical receiver that receives the measurement light passing through the measurement region, a splitting unit between the optical emitter and the measurement region that splits off a portion of the measurement light irradiated from the optical emitter to yield reference light, a reference unit, and an optical component. The reference unit holds a gas containing a measurement target component identical with the measured-gas but at a known concentration and a second optical receiver that receives the reference light passing through the region including the gas. The optical component is disposed between the splitting unit and the region and expands the beam diameter of the reference light to be larger at the second optical receiver than the receiving diameter of the second optical receiver.Type: GrantFiled: April 5, 2019Date of Patent: February 2, 2021Assignee: YOKOGAWA ELECTRIC CORPORATIONInventors: Yoshitaka Kobayashi, Junichi Matsuo, Naoyuki Fujimura
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Patent number: 10903254Abstract: A distance-measuring imaging device includes a light source that applies light according to timing of a light emission signal; a solid-state imager that performs, for an object, exposure according to timing of an exposure signal, and generates raw data corresponding to an exposure amount of the exposure; a signal amount comparator that determines a magnitude relationship in signal amount in the raw data; and a distance calculator that generates and outputs a distance signal based on a determination result. The solid-state imager accumulates, in each of different signal accumulation regions for accumulating signals detected in a same pixel, a signal by exposure in an exposure period that differs in exposure signal timing. The signal amount comparator determines the magnitude relationship between the signals accumulated in the signal accumulation regions. The distance calculator calculates the distance to the object using an arithmetic expression selected depending on the determination result.Type: GrantFiled: November 1, 2017Date of Patent: January 26, 2021Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.Inventors: Mitsuhiko Otani, Junichi Matsuo, Haruka Takano
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Patent number: 10871398Abstract: A gas analyzer includes an optical emitter that irradiates measurement light into a measurement region including a gas to be measured; a reflector that reflects the measurement light irradiated from the optical emitter; an optical receiver that receives the measurement light reflected by the reflector; and an aligner that expands a beam diameter of the measurement light at the reflector.Type: GrantFiled: April 16, 2019Date of Patent: December 22, 2020Assignee: YOKOGAWA ELECTRIC CORPORATIONInventors: Yoshitaka Kobayashi, Junichi Matsuo
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Patent number: 10859491Abstract: A spectroscopic analysis apparatus includes a laser light source that emits laser light, of which wavelength changes, toward a reflector inside a probe, the probe being configured to be disposed in a flow passage of a measurement target fluid, a light receiver that receives the laser light reflected by the reflector, and a controller that analyzes the measurement target fluid using a result of reception acquired by the light receiver and controlling the laser light source. The controller controls the laser light source to perform at least one scan of the laser light, the controller controlling the laser light source such that a scanning time of the laser light is equal to or shorter than a light-receivable time of the laser, the scanning time being a time to scan the laser light emitted from the laser light source in a certain wavelength range, the light-receivable time being a time in which the laser light reflected by the reflector can be received by the light receiver.Type: GrantFiled: February 14, 2019Date of Patent: December 8, 2020Assignee: YOKOGAWA ELECTRIC CORPORATIONInventors: Kentaro Hazama, Junichi Matsuo, Nobuko Takekawa, Yuya Sugiyama
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Patent number: 10847556Abstract: A solid-state imaging apparatus includes a plurality of high-sensitivity pixels that are arranged in a matrix, and perform a photoelectric conversion at a predetermined sensitivity; a plurality of low-sensitivity pixels that are arranged in a matrix in gaps between the plurality of high-sensitivity pixels, and perform a photoelectric conversion at a lower sensitivity than the predetermined sensitivity; and a signal processor that generates a pixel signal by (i) detecting a difference signal between a signal from the plurality of high-sensitivity pixels and a signal from the plurality of low-sensitivity pixels, and (ii) correcting the signal from the plurality of high-sensitivity pixels using the difference signal.Type: GrantFiled: June 4, 2019Date of Patent: November 24, 2020Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.Inventors: Makoto Ikuma, Hiroyuki Amikawa, Takayasu Kito, Shinichi Ogita, Junichi Matsuo, Yasuyuki Endoh, Katsumi Tokuyama, Tetsuya Abe
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Publication number: 20200328441Abstract: A fuel cell system includes a fuel cell, a plurality of power consuming devices, a secondary battery, a charge-discharge amount sensor, and a controller configured to control operations of the plurality of power consuming devices. An identification section of the controller is configured to execute a variation process of varying the operation command value of one of the plurality of power consuming devices and, in a second case where an absolute value of a difference between an amount of change in the actual amount of charge and discharge and an amount of change in the estimated amount of charge and discharge before and after execution of the variation process is greater than a second threshold, identify the power consuming device, for which the operation command value is varied, as the device to be identified.Type: ApplicationFiled: March 31, 2020Publication date: October 15, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuya FUKAMI, Junichi MATSUO, Tomoya OGAWA