Patents by Inventor Yasuhiro Tanaka

Yasuhiro Tanaka 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).

  • Patent number: 11518034
    Abstract: A malfunction determination method for a production machine including a motor as a driving source of a rotating mechanism acquires sensor data of a sensor for detecting a condition of the production machine, determines whether the production machine has an operation stop period during which the production machine has stopped its operation for a predetermined period of time or longer in accordance with an operation history of the production machine, sets a malfunction determination suspension period for suspending a malfunction determination of the production machine when determined to have the operation stop period, in accordance with a length of the operation stop period, and determines whether the production machine has a malfunction in a period other than the malfunction determination suspension period.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: December 6, 2022
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yasuhiro Tanaka, Toshimichi Urakawa, Toru Takagi, Minoru Tomikashi
  • Publication number: 20220350317
    Abstract: An anomaly determination device and an anomaly determination method determine an anomaly of a device based on state data of the device, by using a first determination model configured to determine whether a predetermined anomaly has occurred in the device, and a second determination model configured to classify state of the device, and output the determined anomaly of the device as an unknown anomaly in a case where the anomaly of the device is not the predetermined anomaly.
    Type: Application
    Filed: September 17, 2019
    Publication date: November 3, 2022
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Yasuhiro Tanaka, Minoru Tomikashi
  • Patent number: 11476615
    Abstract: The present invention is provided with: a terminal metal fitting to which a core wire exposed portion of a core wire of a terminal of a wire is physically and electrically connected; a housing inside which the terminal metal fitting and the terminal of the wire are housed and from which the wire is drawn outside from inside; and a wire holding member that holds, inside the housing, the terminal of the wire, in which the wire holding member has a fixed portion that is fixed to a fixing portion inside the housing, and a holding portion that holds the terminal of the wire so that the terminal of the wire does not move relatively to the housing when the fixed portion is fixed to the fixing portion.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: October 18, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Takatoshi Suzuki, Yoshitaka Tsushima, Yasuhiro Tanaka
  • Patent number: 11469540
    Abstract: A molding method of a waterproof member is provided. The waterproof member is molded by molds and is for a coated electric wire. The molds include mold division surfaces including molding portions and electric wire mold clamping portions. The electric wire mold clamping portions are to sandwich the coated electric wire at sides of the molding portions. One of the electric wire mold clamping portions includes a convex portion and a side wall erected on an end of the convex portion. The other of the electric wire mold clamping portions includes a concave portion. One of the molding portions includes a side wall entering groove into which the side wall enters. The method includes molding the waterproof member accommodated in the concave portion with the waterproof member being pressed by the convex portion toward a direction in which one of the mold is attached to the other.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: October 11, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Masanobu Higashitani, Madoka Ooishi, Masayuki Tamano, Yasuhiro Tanaka, Hiroki Kitagawa, Yusuke Tsutagawa, Masatoshi Yamada
  • Publication number: 20220214980
    Abstract: With respect to an optical transceiver that can communicate with a host device through a serial communication bus, the optical transceiver includes a signal processor that processes an electrical signal, a photoelectric converter that performs conversion between the electrical signal and an optical signal, a first memory that includes a first region, a second memory, an internal serial communication bus that has a data transfer rate higher than that of the serial communication bus, and a transfer part that stores a divided program received from the host device in the first region and transfers the divided program stored in the first region to the second memory through the internal serial communication bus. The transfer part starts storing of another divided program in a transferred region of the first region before the second memory completes an operation of writing the divided program to memory cells of the second memory.
    Type: Application
    Filed: December 27, 2021
    Publication date: July 7, 2022
    Inventor: Yasuhiro TANAKA
  • Publication number: 20220195545
    Abstract: A charged material containing alloy iron of at least one of ferrochrome containing metallic Si or ferrosilicon, and unreduced slag containing Cr oxide generated by oxidative refining, is charged into an electric furnace as a mixture in which a mass ratio of a metallic Si amount to a Cr oxide amount is from 0.30 to 0.40, and a C concentration is in a range of from 2.0% by mass to a saturation concentration, and molten iron containing Cr obtained due to the Cr oxide undergoing reduction processing is produced, such that, when the charged material is heated and melted in the electric furnace, an attainment temperature is set to from 1400° C. to 1700° C., a maximum average heating rate in any 80° C. interval from 1300° C. to the attainment temperature is set to 15.0° C./min or less, and a minimum average heating rate in any 80° C. interval from 1300° C. to the attainment temperature is set to 3.0° C./min or greater.
    Type: Application
    Filed: March 31, 2020
    Publication date: June 23, 2022
    Inventors: Norifumi ASAHARA, Katsuhiko KATO, Mikio FUTAKA, Yasuhiro TANAKA, Naoki KANEKO, Junichi NAKAGAWA
  • Publication number: 20220195546
    Abstract: A charged material containing a metal raw material of at least one of ferrochromium containing metal Si or ferrosilicon and unreduced slag containing Cr oxide generated by oxidation refining is charged into an AC electric furnace including three electrodes, a mass ratio of a metal Si amount to a Cr oxide amount being from 0.30 to 0.40, and a C concentration being from 2.0% by mass to a saturation concentration, and operation is performed under a condition where a diameter PCD (m) of a circle passing through the centers of the three electrodes viewed in a plan view from a central axis direction of the electric furnace, an average electrode height He (m) that is a vertical distance from a tip of each electrode to a molten metal surface, a furnace inner diameter Df (m), a molten slag thickness Hs (m), a spreading diameter Darc (m) of an arc on the molten metal surface, and a deflection angle ? (deg) of the arc satisfy the following relationships to produce molten iron containing Cr. Darc=PCD+2He·tan ? ?=52.
    Type: Application
    Filed: March 31, 2020
    Publication date: June 23, 2022
    Inventors: Norifumi ASAHARA, Katsuhiko KATO, Mikio FUTAKA, Yasuhiro TANAKA, Naoki KANEKO, Junichi NAKAGAWA
  • Patent number: 11362460
    Abstract: There is provided a connector including: a housing; and a terminal-equipped electric wire assembled to the housing. The terminal-equipped electric wire includes: a terminal; an electric wire; and a flexible conductor provided between the terminal and the electric wire. The flexible conductor is divided into a plurality of divided conductor portions along an axial direction of the flexible conductor. The divided conductor portions are bent in different directions from each other.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: June 14, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Hiroki Kitagawa, Yasuhiro Tanaka, Masanobu Higashitani, Yusuke Tsutagawa, Masatoshi Yamada
  • Publication number: 20220181055
    Abstract: A controller executes a dither control that cyclically increases and decreases an exciting current in a linear solenoid valve so as to vibrate a spool of the linear solenoid valve. A vibration cycle of the spool obtained through the dither control is referred to a dither cycle. The dither control includes a first dither control that vibrates the spool in a first dither cycle and a second dither control that vibrates the spool in a second dither cycle that is shorter than the first dither cycle. The controller executes the first dither control and the second dither control when an oil temperature of the hydraulic oil is between a first oil temperature and a second oil temperature that is higher than the first oil temperature.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 9, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takaaki TOKURA, Katsumi KONO, Takeshi YASUDA, Tomohiro KONDO, Tomoyuki KOIKE, Masanori MATSUBARA, Yasuhiro TANAKA
  • Patent number: 11355887
    Abstract: A connector applied to a wire harness includes a housing housing a terminal, a front holder assembled to an end portion in an axial direction of the housing, and a restriction member assembled to the housing. One of the housing and the front holder has a latch claw portion that latches the housing and the front holder. The other of the housing and the front holder has a latch arm portion extending along the axial direction and latched to the latch claw portion. The restriction member has a restriction piece that is located adjacent to the latch arm portion that is in a state of being latched to the latch claw portion, the restriction piece restricting displacement of the latch arm portion toward a latch release side.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: June 7, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Yasuhiro Tanaka, Hiroki Kitagawa, Masanobu Higashitani, Kengo Machida, Maho Shinohara, Masatoshi Yamada
  • Publication number: 20220166501
    Abstract: An optical transceiver is configured to receive an optical signal on which a monitoring signal encoded by Manchester encoding is superimposed. The optical transceiver includes a decoding circuit configured to decode the monitoring signal from an electrical signal generated from the optical signal. The decoding circuit includes an interval measuring unit and a decoding unit. The interval measuring unit is configured to detect only a rising edge or a falling edge of a waveform of the electrical signal, to measure a first time interval between a detected first edge and a second edge detected immediately after detecting the first edge, and to measure a second time interval between the second edge and a third edge detected immediately after detecting the second edge. The decoding unit is configured to decode the monitoring signal encoded by the Manchester encoding based on a ratio between the first and second time intervals.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Inventor: Yasuhiro TANAKA
  • Patent number: 11322880
    Abstract: A packing mounting structure includes a casing having a passage part on a wall part facing a power detection terminal; packing including a seal part and an portion to be held; and a cover installed on the casing in a state in which the portion to be held is held by a hole part, and closing the passage part by the packing. The portion to be held includes a shaft part and a first flange part. The hole part includes a narrow part; an insertion hole part through which the first flange part is capable of passing; and a holding hole part configured to hold the shaft part in a state in which a gap is formed between the holding hole part and the shaft part.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: May 3, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Yasuhiro Tanaka, Hiroki Kitagawa, Masanobu Higashitani, Kengo Machida, Maho Shinohara, Masatoshi Yamada, Junya Yamamoto
  • Publication number: 20220126461
    Abstract: An abnormality detection device detects an abnormality of a device based on time-series data acquired from a device having a movable part. The abnormality determination device determines whether time-series data at a specific time have increased or decreased with respect to time-series data from a certain time prior to the specific time as the specific time is shifted, indicates an increase or decrease of the time-series data by defined numerical values, and detects an abnormality of the device based on integrated values obtained by integrating the defined numerical values.
    Type: Application
    Filed: March 27, 2019
    Publication date: April 28, 2022
    Inventor: Yasuhiro TANAKA
  • Patent number: 11276984
    Abstract: A method of controlling an optical transmitter includes steps of amplifying, by an EDFA, a main signal output from an optical modulator, attenuating and outputting, by a VOA, the main signal amplified and output by the EDFA, and maintaining an output power of the main signal output from the VOA at a predetermined value, suspending the phase modulation in the optical modulator to output continuous wave light from the optical modulator, disabling feedback control of the VOA that is performed by the VOA controller and maintaining a constant control signal of the VOA, disabling feedback control of a pump laser that is performed by a pump laser controller, and controlling the pump laser to modulate an intensity of the excitation light and generate an auxiliary signal having a cycle longer than a cycle of the main signal.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: March 15, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Yasuhiro Tanaka
  • Publication number: 20220063950
    Abstract: A sheet processing apparatus includes a conveyance unit that conveys a sheet, a processing unit that performs processing on the sheet conveyed by the conveyance unit, and a controller that controls the conveyance unit and the processing unit. The processing unit includes a cutting unit capable of cutting the sheet along a cutting line, a holding unit that is configured to be movable between a holding position and a release position and that is disposed such that a holding line, which is formed on the sheet when the sheet is held, is substantially parallel to the cutting line, and an angle adjuster capable of adjusting an angle of the cutting unit and the holding unit with respect to a conveying direction.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Applicant: DUPLO SEIKO CORPORATION
    Inventors: Yasuhiro TANAKA, Haruka TAKEMOTO
  • Publication number: 20220068051
    Abstract: Systems and methods for predicting component failure in a vehicle and alerting a driver based thereon. In an embodiment, the method includes receiving sensor data from at least one vehicle sensor over a period of time, processing the sensor data using a predictive model to detect an anomaly indicative of an upcoming component failure, determining a severity of the upcoming component failure based on at least one operating characteristic of the vehicle, and providing an alert to the driver of the vehicle regarding the severity of the upcoming component failure.
    Type: Application
    Filed: August 31, 2020
    Publication date: March 3, 2022
    Inventors: Vikram KRISHNAMURTHY, Yasuhiro TANAKA, Toru TAKAGI
  • Patent number: 11199187
    Abstract: A plunger pump, comprising: a liquid tank; a pump body including a liquid storage part, a suction passage configured to allow communication between the liquid storage part and the liquid tank and a discharge passage configured to discharge a liquid in the liquid storage part to outside; and a plunger reciprocally movably supported in the pump body so that a tip reaches the liquid storage part. The suction passage includes a first suction passage, the tip of the plunger being reciprocally slidably inserted into the first suction passage, and a second suction passage provided in parallel to the first suction passage, and a check valve configured to allow only a flow of the liquid from the liquid tank to the liquid storage space is disposed in the second suction passage.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: December 14, 2021
    Assignees: NITTOKU CO., LTD., NAKA LIQUID CONTROL CO., LTD.
    Inventors: Norio Oda, Yasuhiro Tanaka, Takahiro Sato, Yuji Kanbayashi
  • Publication number: 20210336376
    Abstract: A packing mounting structure includes a casing having a passage part on a wall part facing a power detection terminal; packing including a seal part and an portion to be held; and a cover installed on the casing in a state in which the portion to be held is held by a hole part, and closing the passage part by the packing. The portion to be held includes a shaft part and a first flange part. The hole part includes a narrow part; an insertion hole part through which the first flange part is capable of passing; and a holding hole part configured to hold the shaft part in a state in which a gap is formed between the holding hole part and the shaft part.
    Type: Application
    Filed: April 26, 2021
    Publication date: October 28, 2021
    Applicant: Yazaki Corporation
    Inventors: Yasuhiro TANAKA, Hiroki KITAGAWA, Masanobu HIGASHITANI, Kengo MACHIDA, Maho SHINOHARA, Masatoshi YAMADA, Junya YAMAMOTO
  • Publication number: 20210336377
    Abstract: A molding method of a waterproof member is provided. The waterproof member is molded by molds and is for a coated electric wire. The molds include mold division surfaces including molding portions and electric wire mold clamping portions. The electric wire mold clamping portions are to sandwich the coated electric wire at sides of the molding portions. One of the electric wire mold clamping portions includes a convex portion and a side wall erected on an end of the convex portion. The other of the electric wire mold clamping portions includes a concave portion. One of the molding portions includes a side wall entering groove into which the side wall enters. The method includes molding the waterproof member accommodated in the concave portion with the waterproof member being pressed by the convex portion toward a direction in which one of the mold is attached to the other.
    Type: Application
    Filed: April 23, 2021
    Publication date: October 28, 2021
    Applicant: YAZAKI CORPORATION
    Inventors: Masanobu HIGASHITANI, Madoka OOISHI, Masayuki TAMANO, Yasuhiro TANAKA, Hiroki KITAGAWA, Yusuke TSUTAGAWA, Masatoshi YAMADA
  • Publication number: 20210304937
    Abstract: A controller for a linear solenoid valve is configured to: calculate an average value of an exciting current within a period including a natural number multiple of the dither cycle as an average current value; execute a feedback control on a control value of the pulse width modulation signal such that a target value of the exciting current and the average current value match; and calculate a dither correction amount by multiplying a ratio between the control value of the pulse width modulation signal obtained by the feedback control and the average current value by a dither current value that is a current value corresponding to the dither correction amount and calculating the dither correction amount such that an increase in the exciting current due to the dither correction amount is canceled out by a decrease in the exciting current due to the dither correction amount within one dither cycle.
    Type: Application
    Filed: January 15, 2021
    Publication date: September 30, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takaaki TOKURA, Takeshi YASUDA, Katsumi KONO, Tomohiro KONDO, Yasuhiro TANAKA, Masanori MATSUBARA, Tomoyuki KOIKE