Patents by Inventor Youichi Matsunaga

Youichi Matsunaga 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 bumper including pedestrian collision detection apparatus
    Patent number: 9352715
    Abstract: A vehicle bumper including a pedestrian collision detection apparatus includes: a chamber member, a pressure detector, a collision determination unit, an absorber, and a bumper cover. The chamber member is disposed in a vehicle width direction as a longitudinal direction thereof and is adjacent to an outer side surface of a bumper reinforcement in a vehicle front-rear direction, the bumper reinforcement is disposed in the vehicle width direction as a longitudinal direction thereof and inside of the chamber member functions as a pressure chamber. The pressure detector outputs a signal corresponding to a change in pressure of the pressure chamber. The bumper cover is provided on the outside of the chamber member and the absorber in the vehicle front-rear direction and includes a projected portion projected from an opposite wall that faces the chamber member to the chamber member side.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: May 31, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Sotaro Narita, Youichi Matsunaga, Naoki Goda
  • VEHICLE BUMPER INCLUDING PEDESTRIAN COLLISION DETECTION APPARATUS
    Publication number: 20150274109
    Abstract: A vehicle bumper including a pedestrian collision detection apparatus includes: a chamber member, a pressure detector, a collision determination unit, an absorber, and a bumper cover. The chamber member is disposed in a vehicle width direction as a longitudinal direction thereof and is adjacent to an outer side surface of a bumper reinforcement in a vehicle front-rear direction, the bumper reinforcement is disposed in the vehicle width direction as a longitudinal direction thereof and inside of the chamber member functions as a pressure chamber. The pressure detector outputs a signal corresponding to a change in pressure of the pressure chamber. The bumper cover is provided on the outside of the chamber member and the absorber in the vehicle front-rear direction and includes a projected portion projected from an opposite wall that faces the chamber member to the chamber member side.
    Type: Application
    Filed: December 10, 2013
    Publication date: October 1, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Sotaro Narita, Youichi Matsunaga, Naoki Goda