Patents by Inventor Hideyo Suzuki

Hideyo Suzuki 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: 11089702
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: August 10, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Nakatsu, Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou
  • Publication number: 20190254182
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Inventors: Kinya NAKATSU, Hideyo SUZUKI, Fusanori NISHIKIMI, Takeshi MATSUO, Toshiya SATOU
  • Patent number: 10381943
    Abstract: In a power conversion device according to the present invention, a capacitor module, includes a first capacitor element; a second capacitor element; a positive pole-side bus bar; and a negative pole-side bus bar disposed in a laminated state, in which the positive pole-side bus bar and the negative pole-side bus bar are laminated via an insulating member. The first capacitor element includes a first body portion, a first positive pole-side electrode, and a first negative pole-side electrode. The second capacitor element includes a second body portion, a second positive pole-side electrode, and a second negative pole-side electrode.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: August 13, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Youhei Nishizawa, Hideyo Suzuki, Masashi Kosuga
  • Patent number: 10321585
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: June 11, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Nakatsu, Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou
  • Patent number: 10291148
    Abstract: An object of the present invention is to reduce the size of a power conversion apparatus and to improve the reliability. The power conversion apparatus includes a power semiconductor module, a driver circuit board mounted with a driver circuit, an AC-side relay conductor for transferring the alternating current, and an AC connector. The power semiconductor module includes an AC-side terminal connected to the AC-side relay conductor, and a control-side terminal connected to the driver circuit board. The AC connector is provided on the opposite side of the power semiconductor module through the driver circuit board. The driver circuit board includes a transformer for transforming voltage from low to high and supplying the transformed voltage to the driver circuit, and a line for connecting the transformer and the driver circuit. Further, the driver circuit board forms a through hold provided on the side opposite to the transformer with the driver circuit interposed therebetween.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: May 14, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Masashi Kosuga, Hideyo Suzuki
  • Publication number: 20190098777
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Inventors: Kinya NAKATSU, Hideyo SUZUKI, Fusanori NISHIKIMI, Takeshi MATSUO, Toshiya SATOU
  • Patent number: 10178780
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: January 8, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Nakatsu, Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou
  • Publication number: 20180124935
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Application
    Filed: December 26, 2017
    Publication date: May 3, 2018
    Inventors: Kinya Nakatsu, Hideyo SUZUKI, Fusanori NISHIKIMI, Takeshi MATSUO, Toshiya SATOU
  • Patent number: 9888591
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: February 6, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Nakatsu, Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou
  • Patent number: 9877419
    Abstract: An object of the present invention is to improve the cooling performance of a capacitor module used in a power conversion apparatus. The power conversion apparatus according to the present invention includes a power semiconductor module, a capacitor module, a flow path forming body that forms a flow path through which a cooling refrigerant flows. The flow path forming body includes a first flow path forming body that forms a first flow path part for cooling the power semiconductor module, and a second flow path forming body that forms a second flow path part for cooling the capacitor module. The first flow path forming body is provided on a side portion of the second follow path forming body and is integrally formed with the second flow path forming body. The second flow path forming body forms a housing space for housing the capacitor module above the second flow path part. The first flow path part is formed at a position facing the side wall that forms the housing space.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: January 23, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hideyo Suzuki, Masashi Kosuga
  • Patent number: 9750147
    Abstract: A power converter is provided to improve connection reliability of internal components of the power converter. The power converter may include a power semiconductor module that converts DC current into AC current, a casing that forms a housing space for housing the power semiconductor module, an AC relay bus bar that is connected to an AC terminal of the power semiconductor module by weld connection, and an AC terminal block that is connected to an AC terminal of a motor. The AC relay bus bar may be supported by the casing through an insulating member, and the AC terminal block may be connected to the AC relay bus bar and supported by the casing.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: August 29, 2017
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Masashi Kosuga, Hideyo Suzuki
  • Patent number: 9654046
    Abstract: A power inverter comprises at least a box-shaped housing; and a power module, a smoothing capacitor, a base plate made of a flat plate, and a rotating electric machine control circuit board arranged in order in the housing. The base plate is arranged with the fringes fixed to the inner wall surfaces of the housing, and the smoothing capacitor and rotating electric machine control circuit board are fixed.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 16, 2017
    Assignee: Hitachi, Ltd.
    Inventors: Kenichiro Nakajima, Haruki Hamada, Hideyo Suzuki
  • Publication number: 20160270268
    Abstract: An object of the present invention is to improve the cooling performance of a capacitor module used in a power conversion apparatus. The power conversion apparatus according to the present invention includes a power semiconductor module, a capacitor module, a flow path forming body that forms a flow path through which a cooling refrigerant flows. The flow path forming body includes a first flow path forming body that forms a first flow path part for cooling the power semiconductor module, and a second flow path forming body that forms a second flow path part for cooling the capacitor module. The first flow path forming body is provided on a side portion of the second follow path forming body and is integrally formed with the second flow path forming body. The second flow path forming body forms a housing space for housing the capacitor module above the second flow path part. The first flow path part is formed at a position facing the side wall that forms the housing space.
    Type: Application
    Filed: April 15, 2016
    Publication date: September 15, 2016
    Inventors: Hideyo SUZUKI, Masashi KOSUGA
  • Patent number: 9345168
    Abstract: An object of the present invention is to improve the cooling performance of a capacitor module used in a power conversion apparatus. The power conversion apparatus according to the present invention includes a power semiconductor module, a capacitor module, a flow path forming body that forms a flow path through which a cooling refrigerant flows . The flow path forming body includes a first flow path forming body that forms a first flow path part for cooling the power semiconductor module, and a second flow path forming body that forms a second flow path part for cooling the capacitor module. The first flow path forming body is provided on a side portion of the second follow path forming body and is integrally formed with the second flow path forming body. The second flow path forming body forms a housing space for housing the capacitor module above the second flow path part . The first flow path part is formed at a position facing the side wall that forms the housing space.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: May 17, 2016
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hideyo Suzuki, Masashi Kosuga
  • Publication number: 20160037654
    Abstract: An object of the invention is to further improve connection reliability of internal components of a power converter. According to the invention, there is provided a power converter including a power semiconductor module that converts DC current into AC current; a casing that forms a housing space for housing the power semiconductor module; an AC relay bus bar that is connected to an AC terminal of the power semiconductor module by weld connection; and an AC terminal block that is connected to an AC terminal of a motor, wherein the AC relay bus bar is supported by the casing through an insulating member, and the AC terminal block, is connected to the AC relay bus bar and supported by the casing.
    Type: Application
    Filed: December 18, 2013
    Publication date: February 4, 2016
    Inventors: Masashi KOSUGA, Hideyo SUZUKI
  • Publication number: 20150289391
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Inventors: Kinya NAKATSU, Hideyo SUZUKI, Fusanori NISHIKIMI, Takeshi MATSUO, Toshiya SATOU
  • Publication number: 20150283236
    Abstract: The present invention provides methods for treating hypercholesterolemia. The methods of the present invention comprise administering to a patient a pharmaceutical composition comprising a PCSK9 inhibitor. In certain embodiments, the PCSK9 inhibitor is an anti-PCSK9 antibody such as the exemplary antibody referred to herein as mAb316P. The methods of the present invention are useful for treating patients with hypercholesterolemia that is not adequately controlled by moderate-dose statin therapy.
    Type: Application
    Filed: March 13, 2015
    Publication date: October 8, 2015
    Inventors: Marie Baccara-Dinet, Corinne Hanotin, Yuko Harada, Toshiaki Sato, Hideyo Suzuki
  • Publication number: 20150256096
    Abstract: In a power conversion device according to the present invention, a capacitor module, includes a first capacitor element; a second capacitor element; a positive pole-side bus bar; and a negative pole-side bus bar disposed in a laminated state, in which the positive pole-side bus bar and the negative pole-side bus bar are laminated via an insulating member. The first capacitor element includes a first body portion, a first positive pole-side electrode, and a first negative pole-side electrode. The second capacitor element includes a second body portion, a second positive pole-side electrode, and a second negative pole-side electrode.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 10, 2015
    Inventors: Youhei Nishizawa, Hideyo Suzuki, Masashi Kosuga
  • Publication number: 20150214857
    Abstract: An object of the present invention is to reduce the size of a power conversion apparatus and to improve the reliability. The power conversion apparatus includes a power semiconductor module, a driver circuit board mounted with a driver circuit, an AC-side relay conductor for transferring the alternating current, and an AC connector. The power semiconductor module includes an AC-side terminal connected to the AC-side relay conductor, and a control-side terminal connected to the driver circuit board. The AC connector is provided on the opposite side of the power semiconductor module through the driver circuit board. The driver circuit board includes a transformer for transforming voltage from low to high and supplying the transformed voltage to the driver circuit, and a line for connecting the transformer and the driver circuit. Further, the driver circuit board forms a through hold provided on the side opposite to the transformer with the driver circuit interposed therebetween.
    Type: Application
    Filed: July 19, 2013
    Publication date: July 30, 2015
    Inventors: Masashi Kosuga, Hideyo Suzuki
  • Patent number: 9095079
    Abstract: The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: July 28, 2015
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Nakatsu, Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou