Patents by Inventor Tokuro TSUTSUI

Tokuro TSUTSUI 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).

  • Vehicular fuel cell system and method of controlling the same
    Patent number: 10118492
    Abstract: A vehicular fuel cell system includes a collision detector configured to detect collision on the front and rear sides of a vehicle, a high voltage unit arranged on one side of the front and rear sides of the vehicle, a high voltage controller arranged on the one side and configured to control the high voltage unit, a hydrogen supply unit arranged on the other side of the front and rear sides of the vehicle and configured to supply hydrogen to a fuel cell stack, and a supply valve controller arranged on the other side and configured to control a hydrogen supply valve, the hydrogen supply valve being configured to shut off a supply path of hydrogen from the hydrogen supply unit to the fuel cell stack.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: November 6, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Tokuro Tsutsui
  • VEHICULAR FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME
    Publication number: 20170174083
    Abstract: A vehicular fuel cell system includes a collision detector configured to detect collision on the front and rear sides of a vehicle, a high voltage unit arranged on one side of the front and rear sides of the vehicle, a high voltage controller arranged on the one side and configured to control the high voltage unit, a hydrogen supply unit arranged on the other side of the front and rear sides of the vehicle and configured to supply hydrogen to a fuel cell stack, and a supply valve controller arranged on the other side and configured to control a hydrogen supply valve, the hydrogen supply valve being configured to shut off a supply path of hydrogen from the hydrogen supply unit to the fuel cell stack.
    Type: Application
    Filed: December 13, 2016
    Publication date: June 22, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tokuro TSUTSUI
  • Driving device and switching circuit control method
    Patent number: 9628072
    Abstract: A driving device includes a switching circuit configured to have switching elements disposed on a high side and a low side, the switching element including a first electrode, a second electrode, and a reverse conducting element disposed between the first electrode and the second electrode; and a determination part configured to determine whether to permit the switching element to turn on, based on a result obtained by detecting a voltage between the first electrode and the second electrode, in a period during which the switching elements on both sides are off.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: April 18, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ken Toshiyuki, Tokuro Tsutsui
  • DRIVING DEVICE AND SWITCHING CIRCUIT CONTROL METHOD
    Publication number: 20160036433
    Abstract: A driving device includes a switching circuit configured to have switching elements disposed on a high side and a low side, the switching element including a first electrode, a second electrode, and a reverse conducting element disposed between the first electrode and the second electrode; and a determination part configured to determine whether to permit the switching element to turn on, based on a result obtained by detecting a voltage between the first electrode and the second electrode, in a period during which the switching elements on both sides are off.
    Type: Application
    Filed: March 3, 2014
    Publication date: February 4, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ken TOSHIYUKI, Tokuro TSUTSUI