Patents by Inventor Sho Mizushino

Sho Mizushino 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: 9493062
    Abstract: A vehicle drive device comprising: an engine, a first electric motor, and a second electric motor disposed on a first axis; a first axis output portion outputting power of the first axis; a second axis input portion that is an input portion of a second axis to which power from the first axis output portion is input, the second axis being parallel to the first axis; a second axis output portion outputting power of the second axis; a transmission changing speed between the second axis input portion and the second axis output portion, the transmission being disposed on the second axis; and a third axis input portion that is an input portion of a third axis to which power from the second axis output portion is input, the third axis being parallel to the first axis, the first axis output portion, the second axis input portion, the second axis output portion, and the third axis input portion all being disposed between the first electric motor and the second electric motor in a direction of the first axis, the trans
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: November 15, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichi Okuda, Makoto Funahashi, Atsushi Tabata, Keita Imai, Sho Mizushino
  • Patent number: 9421854
    Abstract: A vehicle drive device includes: a torque converter having an input-side rotating member to which power from a prime mover is input and an output-side rotating member outputting power to drive wheels; an electric motor coupled to the input-side rotating member; a transmission coupled to the output-side rotating member of the torque converter; and a case member housing the torque converter, the electric motor, and the transmission, the case member having an air chamber and an oil chamber, the prime mover and the electric motor being disposed at positions with the torque converter interposed therebetween in an axial direction, the torque converter being housed in the air chamber, the electric motor being housed in the oil chamber the vehicle drive device further comprising a second electric motor coupled to the output-side rotating member of the torque converter, the second electric motor being disposed between the electric motor and the transmission in the axial direction in the oil chamber, an oil pressure ge
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: August 23, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichi Okuda, Atsushi Tabata, Tatsuya Imamura, Keita Imai, Sho Mizushino
  • Patent number: 9205735
    Abstract: A power transmission device of a hybrid vehicle comprises: an electric differential portion having a first rotating element coupled to an engine, a second rotating element coupled to a first rotator, and a third rotating element coupled to a second rotator, the second rotator being disposed in a power transmission path including the third rotating element between the engine and drive wheels, the second rotator having a rotor shaft interposed in series in the power transmission path, a rotor of the second rotator being fixed, and making up a portion of the power transmission path.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: December 8, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keita Imai, Koichi Okuda, Mitsuhiro Toyoda, Atsushi Tabata, Sho Mizushino
  • Publication number: 20150239332
    Abstract: A vehicle drive device includes: a torque converter having an input-side rotating member to which power from a prime mover is input and an output-side rotating member outputting power to drive wheels; an electric motor coupled to the input-side rotating member; a transmission coupled to the output-side rotating member of the torque converter; and a case member housing the torque converter, the electric motor, and the transmission, the case member having an air chamber and an oil chamber, the prime mover and the electric motor being disposed at positions with the torque converter interposed therebetween in an axial direction, the torque converter being housed in the air chamber, the electric motor being housed in the oil chamber the vehicle drive device further comprising a second electric motor coupled to the output-side rotating member of the torque converter, the second electric motor being disposed between the electric motor and the transmission in the axial direction in the oil chamber, an oil pressure ge
    Type: Application
    Filed: January 20, 2012
    Publication date: August 27, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichi Okuda, Atsushi Tabata, Tatsuya Imamura, Keita Imai, Sho Mizushino
  • Publication number: 20150031488
    Abstract: A vehicle drive device comprising: an engine, a first electric motor, and a second electric motor disposed on a first axis; a first axis output portion outputting power of the first axis; a second axis input portion that is an input portion of a second axis to which power from the first axis output portion is input, the second axis being parallel to the first axis; a second axis output portion outputting power of the second axis; a transmission changing speed between the second axis input portion and the second axis output portion, the transmission being disposed on the second axis; and a third axis input portion that is an input portion of a third axis to which power from the second axis output portion is input, the third axis being parallel to the first axis, the first axis output portion, the second axis input portion, the second axis output portion, and the third axis input portion all being disposed between the first electric motor and the second electric motor in a direction of the first axis, the trans
    Type: Application
    Filed: February 3, 2012
    Publication date: January 29, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichi Okuda, Makoto Funahashi, Atsushi Tabata, Keita Imai, Sho Mizushino
  • Publication number: 20140342872
    Abstract: A power transmission device of a hybrid vehicle comprises: an electric differential portion having a first rotating element coupled to an engine, a second rotating element coupled to a first rotator, and a third rotating element coupled to a second rotator, the second rotator being disposed in a power transmission path including the third rotating element between the engine and drive wheels, the second rotator having a rotor shaft interposed in series in the power transmission path, a rotor of the second rotator being fixed, and making up a portion of the power transmission path.
    Type: Application
    Filed: November 29, 2011
    Publication date: November 20, 2014
    Inventors: Keita Imai, Koichi Okuda, Mitsuhiro Toyoda, Atsushi Tabata, Sho Mizushino