Patents by Inventor Yutaka Tsukiji

Yutaka Tsukiji 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: 6540275
    Abstract: The invention provides a structure of a front part of a vehicle body that is simple and free from the risk of maloperation. In the event of a collision between the vehicle and a pedestrian, a projecting part sweeps the pedestrian by parts of his or her legs lower than the knees in the event of a collision between the vehicle and the pedestrian, causing the pedestrian to be thrown over toward the vehicle, and after an energy-absorbing member has absorbed impact energy exerted on the legs, the pedestrian is caused to drop onto the top of a hood and protected from secondary damage.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: April 1, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Tatsuhiko Iwamoto, Arihiro Furumoto, Yutaka Tsukiji, Masao Hara, Yushi Matsuda, Daisaburou Adachi, Masanori Ogawa, Takayuki Nakamae, Sakayu Terada, Kazuma Kondou
  • Patent number: 6198997
    Abstract: An air bag system comprises a crash detector for detecting a crash of the vehicle, an inflator for generating pressurized gas in response to a detection of a crush, and an air bag located in front of a seat for which is inflated and expanded with the pressurized gas to a predetermined inflated configuration. A control unit controls actuation of the inflator in accordance with driving conditions and whether or not the passenger is fastened by the seat belt. Threshold values are provided such that the inflator provides high and low levels of gas pressure with which the air bag is inflated and expanded.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: March 6, 2001
    Assignee: Mazda Motor Corporation
    Inventors: Toshihiro Ishikawa, Yutaka Tsukiji, Takeshi Takagi