Patents by Inventor Yousuke Takata

Yousuke Takata 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: 10000503
    Abstract: A power supply system and a connector, which can suppress occurrence of crosstalk between a power supply wire, and a control wire and an earth wire in a charging cable that includes the power supply wire, the control wire and the earth wire at the time of connecting a power supplying device with a vehicle having a power storage device to be supplied with power from the power supplying device via the power supply wire and the earth wire to be used for supplying power and the control wire for transmitting a control signal to be used for power supply control of the power storage device, are provided. The ratio of the winding number of a primary coil connected with at least one of the control wire and the earth wire to the winding number of a secondary coil connected with a communication unit that sends and receives a communication signal is set at 1/N (N>1) in a system which satisfies VnC>VnL or is set at N (N>1) in a system which satisfies VnC<VnL.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: June 19, 2018
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi Hagihara, Ryou Okada, Yousuke Takata, Hiroya Andoh, Yuta Ochiai, Nobuyuki Nakagawa, Yukihiro Miyashita
  • Patent number: 9780499
    Abstract: The power receiving connector to be placed as a vehicle-mounted feeding port is formed by integrating connection terminals, internal wirings, wiring branch parts, a ground wire side branch line, a control wire side branch line, capacitors, a superposition separation element, and a low-pass filter with a housing as a replaceable unit.
    Type: Grant
    Filed: December 29, 2012
    Date of Patent: October 3, 2017
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yousuke Takata, Ryou Okada, Takeshi Hagihara, Yutaka Komatsu, Nobuyuki Nakagawa
  • Patent number: 9735832
    Abstract: An output circuit sends a control pilot signal generated in a voltage generator to an input circuit. A communication unit is connected between an earthed wire and a control pilot wire on the output side of the output circuit via a bandpass filter. A communication unit is connected between the earthed wire and the control pilot wire on the input side of the input circuit via a bandpass filter. A low-pass filter is interposed between the output circuit and the communication unit. A low-pass filter is interposed between the input circuit and the communication unit.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: August 15, 2017
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeshi Hagihara, Yutaka Komatsu, Tatsuya Izumi, Kazuhiko Nii, Ryou Okada, Yousuke Takata, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Patent number: 9577709
    Abstract: An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 21, 2017
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryou Okada, Takeshi Hagihara, Yutaka Komatsu, Tatsuya Izumi, Kazuhiko Nii, Yousuke Takata, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Patent number: 9531131
    Abstract: Provided a power receiving connector and a charging system that, during a communication such as inband communication wherein a communication signal is superposed in a control wire incorporated in a charging cable connecting a vehicle and a feed device, can reduce the mutual effect resulting from electromagnetic waves caused by the communication signal transmitted within the vehicle and a device in the vehicle. A power receiving connector to be placed as a vehicle-mounted feeding port is formed by integrating connection terminals internal wirings, a superposition separation element, and a capacitor with a housing as a replaceable unit.
    Type: Grant
    Filed: December 29, 2012
    Date of Patent: December 27, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yousuke Takata, Ryou Okada, Takeshi Hagihara, Yutaka Komatsu, Nobuyuki Nakagawa
  • Patent number: 9511727
    Abstract: Provided are a power line communication system, a connector device, and a power line communication device that allow downsizing of a device for power line communication in a vehicle that performs power line communication with a feeding device via a charging cable. An electromagnetic induction type signal converter and a filter necessary for power line communication are provided in a connector device 3, and a power line communication section which performs power line communication with the electromagnetic induction type signal converter is provided in an ECU. A capacitor 16, a signal wire 17, and a capacitor 16 are connected in series between AC lines 11 and 12 extending from a tubular part 32 of the connector device 3.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: December 6, 2016
    Assignees: Sumitomo Electric Industries, Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Yousuke Takata, Takeshi Hagihara, Yutaka Komatsu, Hiroya Andoh, Yuta Ochiai, Nobuyuki Nakagawa, Yukihiro Miyashita
  • Patent number: 9337897
    Abstract: Provided is a power line communication system in which power line communication devices having different configurations from each other coexist. A charging station performs power line communication, using a signal superimposition/separation section in which a capacitor, a coupling transformer, and a capacitor are connected to branch lines branched from two AC lines. An electric vehicle performs power line communication, using a signal superimposition/separation section in which the coupling transformer is inserted in one AC line and a capacitor is connected to and between two AC lines. In a case where the charging station and the electric vehicle are connected to each other with a charging cable, a closed loop circuit is formed that is composed of the AC line, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the AC line, an AC line, the AC line, the capacitor, a primary coil of a coupling transformer, the AC line, and an AC line.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: May 10, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yousuke Takata, Yutaka Komatsu, Takeshi Hagihara, Nobuyuki Nakagawa
  • Patent number: 9287934
    Abstract: When a vehicle including a battery is charged from a power supply device, communication such as power line communication is performed in which a communication signal is superposed on wires contained in a charging cable. A communication device performs communication via a pair of communication lines connected to wires such as a pair of power supply lines used for power supply. A pair of induction elements whose one ends are connected to the pair of communication lines are provided, and the other ends of the pair of induction elements are connected to a ground potential via a capacitance element.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: March 15, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: Kazuhiko Nii, Yousuke Takata, Takeshi Hagihara, Ryou Okada
  • Patent number: 9287996
    Abstract: A communication system, a communication device, a power supply device, and a vehicle are provided, which can suppress occurrence of communication abnormality while suppressing noise applied to a power supply line to be lower than a predetermined upper limit value of a standard, in communication such as inband communication in which a vehicle and a power supply device are connected to each other via a charging cable containing the power supply line and a control line, and a communication signal is transmitted and received using the control line as a medium. A power supply device 2 reads setting relating to an output for each frequency which is previously stored in a memory 221b, and performs a mapping process of adjusting, based on the read setting, an output waveform relating to transmission of the communication signal to an amplitude previously set for each frequency.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: March 15, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: Yousuke Takata, Ryou Okada, Kazuhiko Nii, Takeshi Hagihara
  • Patent number: 9240821
    Abstract: A charging station performs communications by use of a superimposing/separating unit configured by connecting a capacitor, a coupling transformer and a capacitor to branch lines branching out respectively from a control cable and a grounded cable. An electric vehicle performs communications by use of a superimposing/separating unit configured by providing a coupling transformer to the control cable. A capacitor is also connected between the control cable and the grounded cable. Communications are allowed by the configuration of a closed loop circuit comprising the control cable, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the grounded cable, the capacitor, and a primary coil of the coupling transformer.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: January 19, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yousuke Takata, Yutaka Komatsu, Takeshi Hagihara, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Patent number: 9197290
    Abstract: Provided are a communication system and a communication device capable of suppressing attenuation of a communication signal superimposed upon a control pilot line. This output circuit (20) sends a control pilot signal which has been generated at a voltage generation source (21) to an input circuit (60). Between the control pilot line (4) and the ground line (3) of the output side of the output circuit (20), a communication unit (30) is connected via a transformer (31). Between the control pilot line (4) and the ground line (3) of the input side of the input circuit (60), a communication unit (70) is connected via a transformer (71). Between the output circuit (20) and the transformer (31), a lowpass filter (33) is interposed. Between the input circuit (60) and the transformer (71), a lowpass filter (73) is interposed.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: November 24, 2015
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yutaka Komatsu, Takeshi Hagihara, Ryou Okada, Yousuke Takata, Tatsuya Izumi, Kazuhiko Nii, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Publication number: 20150065039
    Abstract: When a vehicle including a battery is charged from a power supply device, communication such as power line communication is performed in which a communication signal is superposed on wires contained in a charging cable. A communication device performs communication via a pair of communication lines connected to wires such as a pair of power supply lines used for power supply. A pair of induction elements whose one ends are connected to the pair of communication lines are provided, and the other ends of the pair of induction elements are connected to a ground potential via a capacitance element.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 5, 2015
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Kazuhiko Nii, Yousuke Takata, Takeshi Hagihara, Ryou Okada
  • Publication number: 20150023438
    Abstract: A communication system, a communication device, a power supply device, and a vehicle are provided, which can suppress occurrence of communication abnormality while suppressing noise applied to a power supply line to be lower than a predetermined upper limit value of a standard, in communication such as inband communication in which a vehicle and a power supply device are connected to each other via a charging cable containing the power supply line and a control line, and a communication signal is transmitted and received using the control line as a medium. A power supply device 2 reads setting relating to an output for each frequency which is previously stored in a memory 221b, and performs a mapping process of adjusting, based on the read setting, an output waveform relating to transmission of the communication signal to an amplitude previously set for each frequency.
    Type: Application
    Filed: February 5, 2013
    Publication date: January 22, 2015
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yousuke Takata, Ryou Okada, Kazuhiko Nii, Takeshi Hagihara
  • Publication number: 20150015203
    Abstract: Provided a power receiving connector and a charging system that, during a communication such as inband communication wherein a communication signal is superposed in a control wire incorporated in a charging cable connecting a vehicle and a feed device, can reduce the mutual effect resulting from electromagnetic waves caused by the communication signal transmitted within the vehicle and a device in the vehicle. A power receiving connector to be placed as a vehicle-mounted feeding port is formed by integrating connection terminals, internal wirings, a superposition separation element, and a capacitor with a housing as a replaceable unit.
    Type: Application
    Filed: December 29, 2012
    Publication date: January 15, 2015
    Inventors: Yousuke Takata, Ryou Okada, Takeshi Hagihara, Yutaka Komatsu, Nobuyuki Nakagawa
  • Publication number: 20150011123
    Abstract: The power receiving connector to be placed as a vehicle-mounted feeding port is formed by integrating connection terminals, internal wirings, wiring branch parts, a ground wire side branch line, a control wire side branch line, capacitors, a superposition separation element, and a low-pass filter with a housing as a replaceable unit.
    Type: Application
    Filed: December 29, 2012
    Publication date: January 8, 2015
    Inventors: Yousuke Takata, Ryou Okada, Takeshi Hagihara, Yutaka Komatsu, Nobuyuki Nakagawa
  • Publication number: 20140312840
    Abstract: A power supply system and a connector, which can suppress occurrence of crosstalk between a power supply wire, and a control wire and an earth wire in a charging cable that includes the power supply wire, the control wire and the earth wire at the time of connecting a power supplying device with a vehicle having a power storage device to be supplied with power from the power supplying device via the power supply wire and the earth wire to be used for supplying power and the control wire for transmitting a control signal to be used for power supply control of the power storage device, are provided. The ratio of the winding number of a primary coil connected with at least one of the control wire and the earth wire to the winding number of a secondary coil connected with a communication unit that sends and receives a communication signal is set at 1/N (N>1) in a system which satisfies VnC>VnL or is set at N (N>1) in a system which satisfies VnC<VnL.
    Type: Application
    Filed: September 7, 2012
    Publication date: October 23, 2014
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, AUTONETWORKS TECHNOLOGIES, LTD, UMITOMO WIRING SYSTEMS, LTD.
    Inventors: Takeshi Hagihara, Ryou Okada, Yousuke Takata, Hiroya Andoh, Yuta Ochiai, Nobuyuki Nakagawa, Yukihiro Miyashita
  • Publication number: 20140292069
    Abstract: An output circuit sends a control pilot signal generated in a voltage generator to an input circuit. A communication unit is connected between an earthed wire and a control pilot wire on the output side of the output circuit via a bandpass filter. A communication unit is connected between the earthed wire and the control pilot wire on the input side of the input circuit via a bandpass filter. A low-pass filter is interposed between the output circuit and the communication unit. A low-pass filter is interposed between the input circuit and the communication unit.
    Type: Application
    Filed: July 13, 2012
    Publication date: October 2, 2014
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHIA, AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Takeshi Hagihara, Yutaka Komatsu, Tatsuya Izumi, Kazuhiko Nii, Ryou Okada, Yousuke Takata, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Publication number: 20140254695
    Abstract: A charging station performs communications by use of a superimposing/separating unit configured by connecting a capacitor, a coupling transformer and a capacitor to branch lines branching out respectively from a control cable and a grounded cable. An electric vehicle performs communications by use of a superimposing/separating unit configured by providing a coupling transformer to the control cable. A capacitor is also connected between the control cable and the grounded cable. Communications are allowed by the configuration of a closed loop circuit comprising the control cable, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the grounded cable, the capacitor, and a primary coil of the coupling transformer.
    Type: Application
    Filed: July 13, 2012
    Publication date: September 11, 2014
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHIA, AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yousuke Takata, Yutaka Komatsu, Takeshi Hagihara, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Publication number: 20140254694
    Abstract: This output circuit sends a control pilot signal which has been generated at a voltage generation source to an input circuit. Between the control pilot line and the ground line of the output side of the output circuit, a communication unit is connected via a transformer. Between the control pilot line and the ground line of the input side of the input circuit, a communication unit is connected via a transformer. Between the output circuit and the transformer, a lowpass filter is interposed. Between the input circuit and the transformer, a lowpass filter is interposed.
    Type: Application
    Filed: June 21, 2012
    Publication date: September 11, 2014
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHIA, AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Ryou Okada, Takeshi Hagihara, Yutaka Komatsu, Tatsuya Izumi, Kazuhiko Nii, Yousuke Takata, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa
  • Publication number: 20140247893
    Abstract: Provided are a communication system and a communication device capable of suppressing attenuation of a communication signal superimposed upon a control pilot line. This output circuit (20) sends a control pilot signal which has been generated at a voltage generation source (21) to an input circuit (60). Between the control pilot line (4) and the ground line (3) of the output side of the output circuit (20), a communication unit (30) is connected via a transformer (31). Between the control pilot line (4) and the ground line (3) of the input side of the input circuit (60), a communication unit (70) is connected via a transformer (71). Between the output circuit (20) and the transformer (31), a lowpass filter (33) is interposed. Between the input circuit (60) and the transformer (71), a lowpass filter (73) is interposed.
    Type: Application
    Filed: June 21, 2012
    Publication date: September 4, 2014
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yutaka Komatsu, Takeshi Hagihara, Ryou Okada, Yousuke Takata, Tatsuya Izumi, Kazuhiko Nii, Hiroya Andoh, Yuta Ochiai, Ryuichi Kamaga, Atsushi Iwai, Yukihiro Miyashita, Nobuyuki Nakagawa