Patents by Inventor Takahiro HAGIMOTO

Takahiro HAGIMOTO 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: 20230318477
    Abstract: An electric power conversion device of an embodiment includes: a primary side negative electrode terminal; a secondary side negative electrode terminal; a negative electrode terminal of a switching element connected between the primary side negative electrode terminal and the secondary side negative electrode terminal; a first conductive member connected to the primary side negative electrode terminal; a second conductive member connected to the negative electrode terminal of the switching element; and a third conductive member connected to the secondary side negative electrode terminal, wherein the first conductive member, the second conductive member, and the third conductive member are connected to one another, and the first conductive member is formed as a separate body separately from the second conductive member and the third conductive member.
    Type: Application
    Filed: March 23, 2023
    Publication date: October 5, 2023
    Inventors: Yusuke Shindo, Jun Kato, Takahiro Hagimoto
  • Patent number: 11584215
    Abstract: A drive unit includes: a rotary electric machine; a rotary electric machine case accommodating the rotary electric machine; an electric power conversion device electrically connected to the rotary electric machine and configured to convert electric power supplied to the rotary electric machine and electric power supplied from the rotary electric machine; and an output shaft extending out from the rotary electric machine case and configured to output power of the rotary electric machine. The electric power conversion device is arranged on one side of the rotary electric machine. The output shaft is arranged between the rotary electric machine and the electric power conversion device.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: February 21, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Manabu Sakurada, Takahiro Hagimoto, Toru Nakamura
  • Patent number: 10981462
    Abstract: To provide a system of low cost and low loss capable of the supply of electric power according to characteristics of each of a plurality of motors from a single battery. A power supply system for a vehicle of the present invention includes: a high-voltage battery; a first inverter which connects with the high-voltage battery; a motor described later which connects with the first inverter; a high-voltage DCDC converter which is connected to the high-voltage battery and steps down the voltage of the high-voltage battery; a second inverter which connects with the high-voltage battery; and a motor described later which connects with the second inverter.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 20, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasuhisa Kume, Mitsuhiro Takeda, Takahiro Hagimoto, Satoyoshi Oya, Tomoaki Ono, Somei Nakatomi, Katsuya Inoue, Hiroshi Otsuka
  • Publication number: 20210001713
    Abstract: A drive unit includes: a rotary electric machine; a rotary electric machine case accommodating the rotary electric machine; an electric power conversion device electrically connected to the rotary electric machine and configured to convert electric power supplied to the rotary electric machine and electric power supplied from the rotary electric machine; and an output shaft extending out from the rotary electric machine case and configured to output power of the rotary electric machine. The electric power conversion device is arranged on one side of the rotary electric machine. The output shaft is arranged between the rotary electric machine and the electric power conversion device.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Manabu SAKURADA, Takahiro HAGIMOTO, Toru NAKAMURA
  • Patent number: 10675962
    Abstract: A hybrid vehicle driving system includes: a generator; a motor; a case which accommodates the generator and the motor; and a power control unit for controlling the generator and the motor, the generator and the motor being disposed side by side on a same axis within the case. The power control unit is mounted on the case by connecting a unit-side generator connector and a unit-side motor connector which are provided on a bottom surface of the power control unit with a case-side generator connector and a case-side motor connector which are disposed on the case, directly and respectively. The case is fixed to a vehicle framework member via a mount member, and a fixing point where the case and the mount member are fixed together is disposed near the case-side generator connector and the case-side motor connector.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: June 9, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Eiichirou Urabe, Hiroshi Takei, Takashi Fukuda, Hidetoshi Katou, Hitoshi Saika, Tsukasa Aiba, Takahiro Hagimoto, Jun Masuda
  • Publication number: 20190359074
    Abstract: To provide a system of low cost and low loss capable of the supply of electric power according to characteristics of each of a plurality of motors from a single battery. A power supply system for a vehicle of the present invention includes: a high-voltage battery; a first inverter which connects with the high-voltage battery; a motor described later which connects with the first inverter; a high-voltage DCDC converter which is connected to the high-voltage battery and steps down the voltage of the high-voltage battery; a second inverter which connects with the high-voltage battery; and a motor described later which connects with the second inverter.
    Type: Application
    Filed: May 22, 2019
    Publication date: November 28, 2019
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yasuhisa KUME, Mitsuhiro TAKEDA, Takahiro HAGIMOTO, Satoyoshi OYA, Tomoaki ONO, Somei NAKATOMI, Katsuya INOUE, Hiroshi OTSUKA
  • Publication number: 20190312492
    Abstract: An integrated unit includes an electric rotating machine, a controller to control the electric rotating machine, and a connection portion electrically connecting the electric rotating machine and the controller. The electric rotating machine has a rotor and a stator opposite to the rotor. The controller is provided outwardly in a radial direction of the electric rotating machine. The connection portion is provided such that the connection portion overlaps the electric rotating machine as viewed along the radial direction from the controller.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tadahiro FUKUSHIMA, Tsukasa AIBA, Takahiro HAGIMOTO, Takahide HASHIMOTO
  • Patent number: 10381902
    Abstract: An integrated system includes a controller, a drive device, and a fastening supporting member. The controller has a controller connector. The drive device has a drive device connector which is connected to the controller connector so that the drive device is electrically coupled to the controller. Via the fastening supporting member, the controller and the drive device are maintained in an electrically coupled state in which the drive device connector is connected to the controller connector. At least part of the controller connector and the drive device connector, as viewed from a vertical direction, is disposed within an area from a first line segment which is perpendicular to a virtual line connecting a center of gravity of the controller and the fastening supporting member and which passes the center of gravity to a second line segment which is perpendicular to the virtual line and which passes the fastening supporting member.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: August 13, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tadahiro Fukushima, Tsukasa Aiba, Takahiro Hagimoto, Takahide Hashimoto
  • Patent number: 10290974
    Abstract: A connector device includes a motor-side connector 30 including a motor-side terminal 31, an inverter-side connector 60 including an inverter-side terminal 70, a motor case 10 including the motor-side connector 30, and an inverter case 50 including the inverter-side connector 60, the connectors 30, 60 being fitted together when the inverter case 50 is stacked on and fastened to the motor case 10 using bolts 120. When the fastening of the cases 10, 50 is completed, a predetermined gap is ensured between opposing surfaces 36B, 80A of the connectors 30, 60.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: May 14, 2019
    Assignees: Sumitomo Wiring Systems, Ltd., Honda Motor Co., Ltd.
    Inventors: Takeshi Ishibashi, Tadahiro Fukushima, Takahiro Hagimoto, Tsukasa Aiba
  • Patent number: 10284105
    Abstract: A power converter (1) includes: planar semiconductor modules (10) each having a resin sealing part (16) in which a semiconductor element (11), conductive members (12, 13, and 14), and a signal terminal (15) are sealed with a resin; a cooler (20) that holds the plurality of semiconductor modules (10) in a laminated manner; and a cover (30) that covers the semiconductor modules and the cooler, wherein at least a part of the resin sealing part (16) and the cooler (20) are supported by support media (41 and 42) that extend from the cover (30) so that facing parts of the resin sealing part and the cooler with respect to the cover (30) is positioned in proximity to the cover, and the conductive members and the signal terminal protrude from the resin sealing part in a direction away from the cover.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: May 7, 2019
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takahiro Hagimoto, Takahiro Uneme, Yuko Yamada
  • Patent number: 10225962
    Abstract: A power converter includes: a refrigerant flow channel member in which a refrigerant cooling an electronic device flows; a flat refrigerant pipe portion stacked with a power module, provided for a refrigerant cooling the power module to flow therein, and including a contact surface portion contacting the power module to exchange heat; an inlet pipe portion that is disposed at one end of the refrigerant pipe portion and through which the refrigerant flows to the refrigerant pipe portion; an outlet pipe portion that is disposed at the other end of the refrigerant pipe portion and through which the refrigerant flows from the refrigerant pipe portion; an inlet connection portion connecting the inlet pipe portion to the refrigerant flow channel member and formed of a tubular elastic member; and an outlet connection portion connecting the outlet pipe portion to the refrigerant flow channel member and formed of a tubular elastic member.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: March 5, 2019
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takahiro Uneme, Takahiro Hagimoto, Hiroo Yamaguchi, Shinichi Yataka, Yuko Yamada
  • Patent number: 10110098
    Abstract: An integrated system includes a controller, a drive device, a fastening supporting member, and a fixing member. The controller has a controller connector. The drive device has a drive device connector that is connected to the controller connector so that the drive device is electrically coupled to the controller. Via the fastening supporting member, the controller and the drive device are maintained in an electrically coupled state in which the drive device connector is connected to the controller connector. Via the fixing member, the controller and the drive device are maintained in a mechanically coupled state in which the drive device is mechanically coupled to the controller.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: October 23, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tadahiro Fukushima, Tsukasa Aiba, Takahiro Hagimoto
  • Publication number: 20180083548
    Abstract: A power converter (1) includes: planar semiconductor modules (10) each having a resin sealing part (16) in which a semiconductor element (11), conductive members (12, 13, and 14), and a signal terminal (15) are sealed with a resin; a cooler (20) that holds the plurality of semiconductor modules (10) in a laminated manner; and a cover (30) that covers the semiconductor modules and the cooler, wherein at least a part of the resin sealing part (16) and the cooler (20) are supported by support media (41 and 42) that extend from the cover (30) so that facing parts of the resin sealing part and the cooler with respect to the cover (30) is positioned in proximity to the cover, and the conductive members and the signal terminal protrude from the resin sealing part in a direction away from the cover.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 22, 2018
    Applicant: Honda Motor Co.,Ltd.
    Inventors: Takahiro HAGIMOTO, Takahiro UNEME, Yuko YAMADA
  • Publication number: 20180064000
    Abstract: A power converter includes: a refrigerant flow channel member in which a refrigerant cooling an electronic device flows; a flat refrigerant pipe portion stacked with a power module, provided for a refrigerant cooling the power module to flow therein, and including a contact surface portion contacting the power module to exchange heat; an inlet pipe portion that is disposed at one end of the refrigerant pipe portion and through which the refrigerant flows to the refrigerant pipe portion; an outlet pipe portion that is disposed at the other end of the refrigerant pipe portion and through which the refrigerant flows from the refrigerant pipe portion; an inlet connection portion connecting the inlet pipe portion to the refrigerant flow channel member and formed of a tubular elastic member; and an outlet connection portion connecting the outlet pipe portion to the refrigerant flow channel member and formed of a tubular elastic member.
    Type: Application
    Filed: August 9, 2017
    Publication date: March 1, 2018
    Applicant: Honda Motor Co.,Ltd.
    Inventors: Takahiro UNEME, Takahiro HAGIMOTO, Hiroo YAMAGUCHI, Shinichi YATAKA, Yuko YAMADA
  • Publication number: 20180022202
    Abstract: A hybrid vehicle driving system includes: a generator; a motor; a case which accommodates the generator and the motor; and a power control unit for controlling the generator and the motor, the generator and the motor being disposed side by side on a same axis within the case. The power control unit is mounted on the case by connecting a unit-side generator connector and a unit-side motor connector which are provided on a bottom surface of the power control unit with a case-side generator connector and a case-side motor connector which are disposed on the case, directly and respectively. The case is fixed to a vehicle framework member via a mount member, and a fixing point where the case and the mount member are fixed together is disposed near the case-side generator connector and the case-side motor connector.
    Type: Application
    Filed: January 28, 2015
    Publication date: January 25, 2018
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Eiichirou Urabe, Hiroshi Takei, Takashi Fukuda, Hidetoshi Katou, Hitoshi Saika, Tsukasa Aiba, Takahiro Hagimoto, Jun Masuda
  • Publication number: 20180006401
    Abstract: A connector device includes a motor-side connector 30 including a motor-side terminal 31, an inverter-side connector 60 including an inverter-side terminal 70, a motor case 10 including the motor-side connector 30, and an inverter case 50 including the inverter-side connector 60, the connectors 30, 60 being fitted together when the inverter case 50 is stacked on and fastened to the motor case 10 using bolts 120. When the fastening of the cases 10, 50 is completed, a predetermined gap is ensured between opposing surfaces 36B, 80A of the connectors 30, 60.
    Type: Application
    Filed: January 12, 2016
    Publication date: January 4, 2018
    Inventors: Takeshi Ishibashi, Tadahiro Fukushima, Takahiro Hagimoto, Tsukasa Aiba
  • Publication number: 20160218584
    Abstract: An integrated system includes a controller, a drive device, a fastening supporting member, and a fixing member. The controller has a controller connector. The drive device has a drive device connector that is connected to the controller connector so that the drive device is electrically coupled to the controller. Via the fastening supporting member, the controller and the drive device are maintained in an electrically coupled state in which the drive device connector is connected to the controller connector. Via the fixing member, the controller and the drive device are maintained in a mechanically coupled state in which the drive device is mechanically coupled to the controller.
    Type: Application
    Filed: January 15, 2016
    Publication date: July 28, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tadahiro FUKUSHIMA, Tsukasa AIBA, Takahiro HAGIMOTO
  • Publication number: 20160218602
    Abstract: An integrated system includes a controller, a drive device, and a fastening supporting member. The controller has a controller connector. The drive device has a drive device connector which is connected to the controller connector so that the drive device is electrically coupled to the controller. Via the fastening supporting member, the controller and the drive device are maintained in an electrically coupled state in which the drive device connector is connected to the controller connector. At least part of the controller connector and the drive device connector, as viewed from a vertical direction, is disposed within an area from a first line segment which is perpendicular to a virtual line connecting a center of gravity of the controller and the fastening supporting member and which passes the center of gravity to a second line segment which is perpendicular to the virtual line and which passes the fastening supporting member.
    Type: Application
    Filed: January 28, 2016
    Publication date: July 28, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tadahiro FUKUSHIMA, Tsukasa AIBA, Takahiro HAGIMOTO, Takahide HASHIMOTO