Patents by Inventor Kenichi Yamaguchi
Kenichi Yamaguchi 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: 11971339Abstract: A particle size distribution measurement device includes a cell holding body 31 that holds a measurement cell 2 containing a measurement sample and a dispersion medium and a reference cell 6 containing a reference sample and is rotated by a motor 322, and a cell discrimination mechanism 7 that discriminates the cells 2, 6 passing through a predetermined rotation position by using a magnetic force or electrostatic capacitance.Type: GrantFiled: October 29, 2019Date of Patent: April 30, 2024Assignees: Horiba, Ltd., Eppendorf Himac Technologies Co., Ltd.Inventors: Tetsuji Yamaguchi, Hitoshi Watanabe, Hidetaka Osawa, Ken Asakura, Kenichi Nemoto
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Publication number: 20240137478Abstract: A stereo camera apparatus includes a housing, a first camera unit attached to the housing, a second camera unit attached to the housing, a processing device that performs image processing by using captured images acquired by capturing of the first camera unit and the second camera unit, and a circuit board on which the processing device is mounted. In the housing, a base length direction of the first camera unit and the second camera unit is a longitudinal direction, the housing and the circuit board are bonded to each other by an adhesive, and in a region in the housing, onto which the adhesive is applied, a length in the base line length direction is shorter than a length in an orthogonal direction that is a direction perpendicular to the base length direction.Type: ApplicationFiled: September 16, 2020Publication date: April 25, 2024Applicant: HITACHI ASTEMO, LTD.Inventors: Akihiro YAMAGUCHI, Hidenori SHINOHARA, Kenichi TAKEUCHI
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Patent number: 11915536Abstract: An anomaly determination apparatus for a vehicle that includes a transmission includes an execution device and a memory device. The memory device is configured to store map data that defines pre-trained map, which has been trained through machine learning. When a variable representing time-series data of a rotation speed of a gear is fed to the map as an input variable, the map outputs a state variable representing a state of the gear as an output variable. The execution device is configured to execute: an obtaining process that obtains the variable representing the time-series data as a value of the input variable; and a determination process that determines whether there is an anomaly in the transmission based on a value of the output variable that is output by the map when the value of the input variable is fed to the map.Type: GrantFiled: July 12, 2021Date of Patent: February 27, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki Bunazawa, Tetsuya Yoshikawa, Kei Yuasa, Kenichi Yamaguchi
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Patent number: 11796054Abstract: A storage device stores a mapping data entry that specifies a mapping and includes data learned through machine learning. A detection value of an oil temperature sensor is an oil temperature detection value. When oil temperature relation data, which is data corresponding to time series data of the oil temperature detection value, is input to the mapping as an input variable, the mapping outputs an output variable that determines whether a frictional engagement element has an anomaly. Processing circuitry executes an obtainment process that obtains the input variable and an anomaly determination process that determines whether the frictional engagement element has an anomaly based on the output variable that is output from the mapping as a result of inputting the input variable obtained in the obtainment process into the mapping.Type: GrantFiled: June 25, 2021Date of Patent: October 24, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki Bunazawa, Tetsuya Yoshikawa, Kei Yuasa, Kenichi Yamaguchi
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Patent number: 11499669Abstract: A support structure supports a component mounted on a mounting surface of a structure by pressing the component to the mounting surface side and includes a first support tool and a second support tool used so that the component is pressed to the mounting surface side and supported and a fixing portion provided on the structure and fixing the first support tool and the second support tool. The first support tool and the second support tool are fixed to the same fixing portion.Type: GrantFiled: November 23, 2020Date of Patent: November 15, 2022Assignee: TDK CORPORATIONInventors: Kenichi Yamaguchi, Kouji Kaneko, Koichi Kobayashi
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Publication number: 20220042842Abstract: A device for a vehicle including a power transfer device, the power transfer device having an input pulley, an output pulley, and an endless rotary member, the device including: a memory configured to store mapping data that include data that prescribe mapping that represents correspondence between an input variable and an output variable, the data being learned through machine learning, the input variable being at least one of input rotational speed-related data, and output rotational speed-related data, the output variable specifying whether an abnormality is caused in the endless rotary member; and a processor configured to acquire the input variable, acquire the output variable corresponding to the input variable using the mapping data, and determine, based on the output variable, whether an abnormality is caused in the endless rotary member.Type: ApplicationFiled: July 14, 2021Publication date: February 10, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki BUNAZAWA, Tetsuya YOSHIKAWA, Kei YUASA, Kenichi YAMAGUCHI
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Publication number: 20220044502Abstract: An anomaly determination apparatus for a vehicle that includes a transmission includes an execution device and a memory device. The memory device is configured to store map data that defines pre-trained map, which has been trained through machine learning. When a variable representing time-series data of a rotation speed of a gear is fed to the map as an input variable, the map outputs a state variable representing a state of the gear as an output variable. The execution device is configured to execute: an obtaining process that obtains the variable representing the time-series data as a value of the input variable; and a determination process that determines whether there is an anomaly in the transmission based on a value of the output variable that is output by the map when the value of the input variable is fed to the map.Type: ApplicationFiled: July 12, 2021Publication date: February 10, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki BUNAZAWA, Tetsuya YOSHIKAWA, Kei YUASA, Kenichi YAMAGUCHI
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Publication number: 20220042596Abstract: A storage device stores a mapping data entry that specifies a mapping and includes data learned through machine learning. A detection value of an oil temperature sensor is an oil temperature detection value. When oil temperature relation data, which is data corresponding to time series data of the oil temperature detection value, is input to the mapping as an input variable, the mapping outputs an output variable that determines whether a frictional engagement element has an anomaly. Processing circuitry executes an obtainment process that obtains the input variable and an anomaly determination process that determines whether the frictional engagement element has an anomaly based on the output variable that is output from the mapping as a result of inputting the input variable obtained in the obtainment process into the mapping.Type: ApplicationFiled: June 25, 2021Publication date: February 10, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki BUNAZAWA, Tetsuya YOSHIKAWA, Kei YUASA, Kenichi YAMAGUCHI
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Publication number: 20220041174Abstract: An abnormality determination device is applied to a vehicle provided with a transmission configured to transmit power by rotation of a shaft. The abnormality determination device includes a processor and a memory. The memory configured to store mapping data that is data that defines mapping learned by machine learning. The processor is configured to execute an acquisition process and a determination process. The acquisition process is a process of acquiring a variable indicating a time-series data of a rotation speed of the shaft and using the variable as a value of an input variable of the mapping. The determination process is a process of determining whether an abnormality has occurred in the transmission based on a value of the output variable acquired using the value of the input variable and the mapping.Type: ApplicationFiled: July 21, 2021Publication date: February 10, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki BUNAZAWA, Tetsuya YOSHIKAWA, Kei YUASA, Kenichi YAMAGUCHI
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Publication number: 20210164608Abstract: A support structure supports a component mounted on a mounting surface of a structure by pressing the component to the mounting surface side and includes a first support tool and a second support tool used so that the component is pressed to the mounting surface side and supported and a fixing portion provided on the structure and fixing the first support tool and the second support tool. The first support tool and the second support tool are fixed to the same fixing portion.Type: ApplicationFiled: November 23, 2020Publication date: June 3, 2021Applicant: TDK CORPORATIONInventors: Kenichi YAMAGUCHI, Kouji KANEKO, Koichi KOBAYASHI
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Patent number: 9054453Abstract: To provide a connector with which a terminal can be easily connected to a substrate without soldering. A connector (10) is configured such that a contact portion (13b) formed at a terminal (13) so as to be elastically deformable in the vertical direction is brought into contact with the upper surface of an LED substrate (3) and is thereby made conductive with the LED substrate (3), and such that a locking portion (14c) of each of locking members (14) is locked to the lower surface of a mounting substrate (4), and thereby the contact portion (13b) of the terminal (13) is held in a state of being in press-contact with the upper surface of the LED substrate (3). Thereby, the terminal (13) can be easily connected to the LED substrate (3) without soldering, and hence the mounting work of the connector (10) can be performed very easily.Type: GrantFiled: January 11, 2012Date of Patent: June 9, 2015Assignee: IRISO ELECTRONICS CO., LTD.Inventors: Takashi Sekine, Kenichi Yamaguchi
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Patent number: 8936496Abstract: Provided is a connector in which a decrease in contact pressure due to the shape degradation of the pressing portions does not occur even if the operation of rotating the pressing member is repeated. Since the connector main body has, at the rear end, supporting portions that rotatably support the pressing portion, the pressing portion rotates while butting the rear ends of the movable pieces and the supporting portions so that the rear ends of the movable pieces are pushed up by the pressing portion, the butting of the pressing portion and the supporting portions is contact between synthetic-resin components, this eliminates the pressing portion being cut off due to contact with the supporting portions even if the rotation of the pressing member is repeated, and hence the shape degradation of the pressing portion can be prevented.Type: GrantFiled: September 10, 2012Date of Patent: January 20, 2015Assignee: Iriso Electronics Co., Ltd.Inventors: Toru Takane, Kenichi Yamaguchi, Tomisaburo Yamaguchi
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Patent number: 8936487Abstract: A connector which, when two contacts contact a connection object at positions different from each other in the insertion/extraction direction of the connection object, suppresses deflection of the connection object without increasing a pressing member size. The connector configured so, when the pressing member is rotated to a closed position, a pressing plate is brought into surface contact with the other thickness direction surface of a flexible circuit while pressed by a pressing member pressing portion, and a range including the contact positions between the flexible circuit and first and second contacts is pressed from the side of the other thickness direction surface of the flexible circuit via the pressing plate, so one thickness direction surface of the flexible circuit is brought into press-contact with the first and second contacts. Deflection of the flexible circuit is suppressed by the pressing plate, and the pressing member size need not be increased.Type: GrantFiled: May 31, 2012Date of Patent: January 20, 2015Assignee: Iriso Electronics Co., Ltd.Inventors: Toru Takane, Kenichi Yamaguchi
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Publication number: 20140349526Abstract: Provided is a connector in which a decrease in contact pressure due to the shape degradation of the pressing portions does not occur even if the operation of rotating the pressing member is repeated. Since the connector main body has, at the rear end, supporting portions that rotatably support the pressing portion, the pressing portion rotates while butting the rear ends of the movable pieces and the supporting portions so that the rear ends of the movable pieces are pushed up by the pressing portion, the butting of the pressing portion and the supporting portions is contact between synthetic-resin components, this eliminates the pressing portion being cut off due to contact with the supporting portions even if the rotation of the pressing member is repeated, and hence the shape degradation of the pressing portion can be prevented.Type: ApplicationFiled: September 10, 2012Publication date: November 27, 2014Applicant: IRISO ELECTRONICS CO., LTD.Inventors: Toru Takane, Kenichi Yamaguchi, Tomisaburo Yamaguchi
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Patent number: 8808025Abstract: An electrical connection terminal for securely retaining a connection object without degrading connection reliability, and a connector using the electrical connection terminal. A first contacting portion adapted to cut into a lead wire of a cable to restrict displacement thereof in a counter-insertion direction is provided in the leading-end corner of a first contact piece of a terminal, and a second contacting portion with which the lead wire slidably makes contact is provided on the leading end of a second contact piece of the terminal. Disconnection of the lead wire is prevented by means of the first contacting portion and securing a sufficient area of connect with the lead wire by the second contacting portion. The second contacting portion is formed by chamfering the leading-end corner of the second contact piece. Accordingly, the leading-end side of the second contact piece need not be bent to form a curved-surface contacting portion.Type: GrantFiled: January 11, 2012Date of Patent: August 19, 2014Assignee: Iriso Electronics Co., Ltd.Inventors: Takashi Sekine, Kenichi Yamaguchi
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Publication number: 20140099828Abstract: A connector which, when two contacts contact a connection object at positions different from each other in the insertion/extraction direction of the connection object, suppresses deflection of the connection object without increasing a pressing member size. The connector configured so, when the pressing member is rotated to a closed position, a pressing plate is brought into surface contact with the other thickness direction surface of a flexible circuit while pressed by a pressing member pressing portion, and a range including the contact positions between the flexible circuit and first and second contacts is pressed from the side of the other thickness direction surface of the flexible circuit via the pressing plate, so one thickness direction surface of the flexible circuit is brought into press-contact with the first and second contacts. Deflection of the flexible circuit is suppressed by the pressing plate, and the pressing member size need not be increased.Type: ApplicationFiled: May 31, 2012Publication date: April 10, 2014Applicant: IRISO ELECTRONICS CO., LTD.Inventors: Toru Takane, Kenichi Yamaguchi
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Publication number: 20140004382Abstract: The corrosion-resistant brick is a corrosion-resistant brick obtained by, in an Al—Cr-based brick, an Al—Mg-based brick and a Cr—Mg-based brick, providing a layer of magnetite powder on a brick surface, and heating and melting the magnetite powder so as to react the respective components of the brick with Fe, thereby forming a coating layer which is a ternary oxide of the brick components and Fe, and is made of a spinel solid solution having a melting point of 1600° C. or higher.Type: ApplicationFiled: June 25, 2013Publication date: January 2, 2014Inventors: Kenichi Yamaguchi, Yusuke Kimura
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Publication number: 20130288508Abstract: To provide a connector with which a terminal can be easily connected to a substrate without soldering. A connector (10) is configured such that a contact portion (13b) formed at a terminal (13) so as to be elastically deformable in the vertical direction is brought into contact with the upper surface of an LED substrate (3) and is thereby made conductive with the LED substrate (3), and such that a locking portion (14c) of each of locking members (14) is locked to the lower surface of a mounting substrate (4), and thereby the contact portion (13b) of the terminal (13) is held in a state of being in press-contact with the upper surface of the LED substrate (3). Thereby, the terminal (13) can be easily connected to the LED substrate (3) without soldering, and hence the mounting work of the connector (10) can be performed very easily.Type: ApplicationFiled: January 11, 2012Publication date: October 31, 2013Inventors: Takashi Sekine, Kenichi Yamaguchi
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Publication number: 20130288514Abstract: An electrical connection terminal for securely retaining a connection object without degrading connection reliability, and a connector using the electrical connection terminal. A first contacting portion adapted to cut into a lead wire of a cable to restrict displacement thereof in a counter-insertion direction is provided in the leading-end corner of a first contact piece of a terminal, and a second contacting portion with which the lead wire slidably makes contact is provided on the leading end of a second contact piece of the terminal. Disconnection of the lead wire is prevented by means of the first contacting portion and securing a sufficient area of connect with the lead wire by the second contacting portion. The second contacting portion is formed by chamfering the leading-end corner of the second contact piece. Accordingly, the leading-end side of the second contact piece need not be bent to form a curved-surface contacting portion.Type: ApplicationFiled: January 11, 2012Publication date: October 31, 2013Applicant: IRISO ELECTRONICS CO., LTD.Inventors: Takashi Sekine, Kenichi Yamaguchi
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Patent number: D689435Type: GrantFiled: April 27, 2011Date of Patent: September 10, 2013Assignee: Iriso Electronics Co., Ltd.Inventors: Takashi Sekine, Kenichi Yamaguchi