Patents by Inventor Youhei Matsuda

Youhei Matsuda 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).

  • Vehicle power source apparatus
    Patent number: 9656569
    Abstract: A vehicle power source apparatus is provided with a driving battery mounted in a vehicle, an auxiliary apparatus battery that supplies electric power to an auxiliary apparatus of the vehicle, a DC power conversion unit that supplies electric power from the driving battery to the auxiliary apparatus battery, a control unit that controls the DC power conversion unit, a driving battery harness that connects the driving battery with the DC power conversion unit and is protected by a shield, an auxiliary apparatus battery negative-side harness that connects the DC power conversion unit with the negative side of the auxiliary apparatus battery, and a voltage sensor that detects a connection abnormality in the auxiliary apparatus battery negative-side harness.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: May 23, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Mamoru Takikita, Youhei Matsuda
  • Luminaire for interior lamp provided in automobile
    Patent number: 9512981
    Abstract: According to one embodiment, there is provided a luminaire including a light-emitting element and a cover provided on an irradiation side of the light-emitting element. The cover includes a first light transmitting section provided on the center side of the cover and a second light transmitting section provided at the peripheral edge of the first light transmitting section and having light transmittance higher than the light transmittance of the first light transmitting section.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: December 6, 2016
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Ryuji Tsuchiya, Youhei Matsuda, Junichiro Yamamoto, Kazufumi Yoshida
  • VEHICLE POWER SOURCE APPARATUS
    Publication number: 20150021986
    Abstract: A vehicle power source apparatus is provided with a driving battery mounted in a vehicle, an auxiliary apparatus battery that supplies electric power to an auxiliary apparatus of the vehicle, a DC power conversion unit that supplies electric power from the driving battery to the auxiliary apparatus battery, a control unit that controls the DC power conversion unit, a driving battery harness that connects the driving battery with the DC power conversion unit and is protected by a shield, an auxiliary apparatus battery negative-side harness that connects the DC power conversion unit with the negative side of the auxiliary apparatus battery, and a voltage sensor that detects a connection abnormality in the auxiliary apparatus battery negative-side harness.
    Type: Application
    Filed: February 12, 2013
    Publication date: January 22, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Mamoru Takikita, Youhei Matsuda
  • Luminaire
    Publication number: 20140369049
    Abstract: According to one embodiment, there is provided a luminaire including a light-emitting element and a cover provided on an irradiation side of the light-emitting element. The cover includes a first light transmitting section provided on the center side of the cover and a second light transmitting section provided at the peripheral edge of the first light transmitting section and having light transmittance higher than the light transmittance of the first light transmitting section.
    Type: Application
    Filed: February 20, 2014
    Publication date: December 18, 2014
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Ryuji Tsuchiya, Youhei Matsuda, Junichiro Yamamoto, Kazufumi Yoshida