Patents by Inventor Kenji Izumi

Kenji Izumi 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).

  • Publication number: 20200176982
    Abstract: A control device of a power supply system includes a stopping process unit. The stopping process unit is configured to operate a switching element when connection between a power system and a main line is cut off by a system breaker and to perform a stopping process of sequentially switching battery modules which are connected to the main line such that the number of battery modules which are connected to the main line decreases gradually.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Publication number: 20200177019
    Abstract: A power supply system disclosed here is connected to an electric power system through a distribution device. The power supply system includes a plurality of strings connected to the distribution device and a failure detector. The failure detector of the power supply system is configured to perform a first process of connecting at least one battery module to a main line to set a voltage detected by a string voltage detector at a voltage higher than a predetermined voltage in a state where a switch disconnects the distribution device and the main line, a second process of sending a disconnecting signal for disconnecting all the sweep modules from the main line, and a third process of determining whether the voltage detected by the string voltage detector is lower than the predetermined determination voltage or not after the second process.
    Type: Application
    Filed: November 18, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200177018
    Abstract: A control device of a power supply system is configured to control inputting of electric power from a power system connected to a power distribution device to a plurality of strings connected to the power distribution device and outputting of electric power from the plurality of strings to the power system and to execute a process of stopping control for switching the at least one switching element between connection and disconnection on a string in which inputting of electric power and outputting of electric power are stopped out of the plurality of strings.
    Type: Application
    Filed: November 13, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200177178
    Abstract: A power supply system includes a plurality of sweep modules that is connected to a main line. Each sweep module includes a switching element that switches between connection and disconnection between a battery module and the main line and is formed of a MOSFET. A failure detecting device of the power supply system includes a temperature detecting unit configured to detect temperatures of the plurality of sweep modules and a failure determining unit configured to determine whether a difference between a temperature of one sweep module selected from the plurality of sweep modules and a reference temperature which is determined based on the temperatures of other sweep modules is greater than a predetermined threshold value.
    Type: Application
    Filed: November 15, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200176983
    Abstract: A control device of a power supply system includes a first processing unit and a second processing unit. The first processing unit is a processing unit configured to perform a first process of determining certain strings out of a plurality of strings connected in parallel to a power distribution device. The second processing unit is a processing unit configured to perform a second process of performing inputting of electric power to the plurality of strings connected in parallel to the power distribution device or outputting of electric power from the plurality of strings to the power distribution device using at least the certain strings determined by the first processing unit.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200166576
    Abstract: A power supply system includes a plurality of sweep modules, a defect detecting unit, and a control unit. Each sweep module includes a battery module and a power circuit module. The defect detecting unit detects a defect for each sweep module. The number of sweep modules is greater S (S?2) than a minimum number of sweep modules required for operation. When the number of defective sweep modules in which a defect has been detected is equal to or less than F (2?F?S), the control unit is configured to disconnect the defective sweep modules from a main line and to continuously execute sweep control.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 28, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200169082
    Abstract: A power supply system includes a main line, a plurality of sweep modules, and a control unit. Each sweep module includes a battery module and a power circuit module. The power circuit module switches between connection and disconnection between the battery module and the main line. The control unit executes sweep control for sequentially switching the battery modules which are to be connected to the main line. The control unit maintains connection of a refreshing module which is to be subjected to refreshing charging/discharging to the main line while sweep control is being executed in a state in which the refreshing module is excluded in at least one of outputting of electric power to the outside and inputting of electric power from the outside.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 28, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200169080
    Abstract: The present teaching provides a power supply system capable of fully utilizing a plurality of batteries having different performances. A power supply system disclosed here includes a main line, a plurality of sweep modules, and a controller. Each of the sweep modules includes a battery module and an electric power circuit module. The electric power circuit module includes a switching device for connecting a connection state between the battery modules and the main line between connection and disconnection. The controller performs sweep control of sequentially switching the battery module connected to the main line among the plurality of battery modules. During an input of electric power from outside, the controller disconnects the battery module whose SOC level satisfies a high SOC condition from the main line (S7), and continues sweep control (S8, S9).
    Type: Application
    Filed: November 18, 2019
    Publication date: May 28, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200169081
    Abstract: A power supply system includes a plurality of sweep modules. Each sweep module includes a battery module, an input and output circuit, a switching element, a capacitor, and a line. The input and output circuit connects the battery module to a main line. The switching element switches between connection and disconnection between the battery module and the main line. The capacitor is attached in parallel to the battery module. The line connects the input and output circuit to the battery module. The line is maintained in a state in which a loop portion is formed.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 28, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200169115
    Abstract: The present teaching provides a power supply system capable of appropriately performing replacement or repairing of a component of a module where a problem occurs without stopping the entire operation, in a case where the problem occurs in of the module in a plurality of modules. The power supply system includes a plurality of sweep modules, a problem detector, an indicator, and a controller. Each sweep module includes a battery module and an electric power circuit module. The problem detector detects a problem for each sweep module. The indicator indicates a sweep module in which a problem is detected. In a case where a problem is detected in the sweep module (S4: YES), the controller causes the indicator to indicate a failure sweep module in which the problem is detected (S5). The controller disconnects the failure sweep module from a main line, and continues sweep control (SG through S8).
    Type: Application
    Filed: November 18, 2019
    Publication date: May 28, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200158662
    Abstract: This X-ray phase contrast imaging apparatus (100) includes an X-ray source (1), a first grating (3) that forms a self-image, a second grating (4), a detector (5) that detects X-rays, an adjustment mechanism (6), and a controller (7) that controls the adjustment mechanism (6) to adjust a misalignment of the first grating (3) or a misalignment of the second grating (4) based on Moire fringes detected by the detector (5).
    Type: Application
    Filed: July 10, 2017
    Publication date: May 21, 2020
    Inventors: Akira HORIBA, Koichi TANABE, Toshinori YOSHIMUTA, Kenji KIMURA, Hiroyuki KISHIHARA, Yukihisa WADA, Takuro IZUMI, Taro SHIRAI, Takahiro DOKI, Satoshi SANO, Takayoshi SHIMURA, Heiji WATANABE, Takuji HOSOI
  • Publication number: 20200132780
    Abstract: Provided is a power supply device which includes a plurality of battery modules each having a secondary battery and in which the battery modules are connected in series with one another according to a gate driving signal from a controller. An SOC control target value that is a target value for states-of-charge of the battery modules is changed according to the number of the battery modules that are available to be connected in series.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 30, 2020
    Inventors: Kazuo OOTSUKA, Shuji TOMURA, Naoki YANAGIZAWA, Kyosuke TANEMURA, Shigeaki GOTO, Junta IZUMI, Kenji KIMURA
  • Publication number: 20200136413
    Abstract: Provided is a power supply device which includes a plurality of battery modules and in which the battery modules are connected in series with one another in accordance with a gate driving signal from a controller. The power supply device includes a disconnecting part configured to forcibly isolate the battery module from a series connection regardless of the gate driving signal, and limits, in accordance with a target output voltage value, a number of the battery modules to be forcibly isolated by the disconnecting part.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 30, 2020
    Inventors: Naoki YANAGIZAWA, Shuji TOMURA, Kyosuke TANEMURA, Kazuo OOTSUKA, Shigeaki GOTO, Junta IZUMI, Kenji KIMURA
  • Publication number: 20200136405
    Abstract: There is provided a power supply device including a plurality of battery modules, the battery modules being connected in series with one another according to a gate driving signal from a controller, the power supply device transmitting the gate driving signal from upstream of the series connection toward downstream of the series connection after the gate driving signal is delayed at delay circuits included in the respective battery modules, and returning the gate driving signal to the controller from a most downstream battery module, wherein the power supply device performs malfunction determination of the delay circuits based on a time difference from a transmission time of a signal from the controller to a reception time of the signal.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 30, 2020
    Inventors: Shigeaki GOTO, Kyosuke TANEMURA, Shuji TOMURA, Naoki YANAGIZAWA, Kazuo OOTSUKA, Junta IZUMI, Kenji KIMURA
  • Publication number: 20200136196
    Abstract: A power supply system includes a controller, and a plurality of battery modules. The battery modules are connected in series, according to a gate drive signal from the controller, to provide series connection, and each of the battery modules has a disconnecting device configured to force the battery module to be disconnected from the series connection. The controller is configured to estimate the internal resistance of the battery module disconnected from the series connection by the disconnecting device, from a module voltage of the battery module before the battery module is disconnected from the series connection, a module voltage immediately after the battery module is disconnected, and a module current delivered from the battery module.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 30, 2020
    Inventors: Kyosuke TANEMURA, Shuji TOMURA, Naoki YANAGIZAWA, Kazuo OOTSUKA, Junta IZUMI, Kenji KIMURA
  • Publication number: 20200136199
    Abstract: In a power supply device including a plurality of battery modules each including a secondary battery, in which the battery modules are connected in series to one another according to a gate driving signal from a controller and in each of the battery modules, the gate driving signal is delayed in a gate driving signal processing circuit included in the battery module and then transmitted from upstream to downstream of the series connection, an ID is provided for each of the battery modules by transmitting an ID setting signal for providing an ID unique to the battery module using a gate signal line for transmitting the gate driving signal.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 30, 2020
    Inventors: Naoki YANAGIZAWA, Shuji TOMURA, Kyosuke TANEMURA, Kazuo OOTSUKA, Shigeaki GOTO, Junta IZUMI, Kenji KIMURA
  • Publication number: 20200136412
    Abstract: A power supply device includes a plurality of battery modules, the battery modules are connected to one another in series according to a gate driving signal from a controller, the power supply device delays the gate driving signal in a gate driving signal processing circuit included in each of the battery modules, and thereafter, transmits the gate driving signal from an upstream to a downstream of the series connection, and the power supply device controls the battery modules by superimposing a control signal for the battery module on the gate driving signal.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 30, 2020
    Inventors: Shuji TOMURA, Naoki YANAGIZAWA, Kazuo OOTSUKA, Kyosuke TANEMURA, Shigeaki GOTO, Junta IZUMI, Kenji KIMURA
  • Publication number: 20200112183
    Abstract: Provided is a full-charge-capacity estimating device that has one or more of a plurality of battery modules, as battery-modules-to-be-measured, charged or discharged by means of a first switch element and a second switch element according to whether a power supply device is in a powering state or a regenerating state, measures an integrated current value and a change in the state-of-charge of the battery-module-to-be-measured, and then estimates the full charge capacity of the battery-module-to-be-measured from the integrated current value and the change in the state-of-charge.
    Type: Application
    Filed: October 7, 2019
    Publication date: April 9, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Takayuki BAN
  • Patent number: 10611140
    Abstract: A printing apparatus according to an embodiment of this invention brings, out of a cleaning unit that cleans a transfer member in contact with a transfer member and an application unit that applies a reactive liquid with ink to the transfer member, the cleaning unit into contact with the transfer member to clean the transfer member by the cleaning unit at the start of the printing operation. Alternatively, out of the application unit and an absorbing unit that absorbs a liquid component from the reactive liquid applied by the application unit in contact with the transfer member, the printing apparatus brings the application unit into contact with the transfer member to apply the reactive liquid by the application unit.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 7, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiki Takeuchi, Masahiro Sugimoto, Ippei Tsushima, Kohei Fukui, Masato Izumi, Ryosuke Sato, Kenji Sugiyama, Kengo Nieda, Kota Uchida, Yuichiro Yanagi, Yusuke Nakaya, Atsushi Sakamoto, Susumu Hirosawa, Takeshi Murase, Futoshi Hirose
  • Patent number: 10610830
    Abstract: A honeycomb structure includes: a honeycomb structure body including a plurality of cells; and a plugging portion to alternately plug open end parts of the plurality of cells on one side as an inflow side of the exhaust gas and open end parts on the other side as an outflow side of the exhaust gas. The partition wall is loaded, on the side of the outflow cells, with an oxidation catalyst made of a transition metal oxide to oxidize NO gas or an oxidation catalyst made of a transition metal oxide loaded at CeO2 to oxidize NO gas. The partition wall has porosity of 70% or less, the oxidation catalyst has a particle diameter of more than 1 ?m and less than 50.0 ?m, and the loading amount of the oxidation catalyst is 5.0 g/L or more and 50 g/L or less.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: April 7, 2020
    Assignee: NGK Insulators, Ltd.
    Inventors: Yunie Izumi, Kenji Morimoto