Patents by Inventor Yayoi Okumura

Yayoi Okumura 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: 9981680
    Abstract: A vehicle includes a vehicle support structure and a steering linkage. The vehicle support structure includes a dash wall. The dash wall separates an engine compartment and a passenger compartment. The dash wall has an energy absorption member supported by the support structure on an engine compartment side of the dash wall. The steering linkage extends through an opening of the dash wall between the engine compartment and the passenger compartment. The steering linkage includes a steering column in the passenger compartment. The steering linkage further includes an abutment. The abutment is positioned and configured to contact the energy absorption member upon a frontal impact of the vehicle to transfer energy from the steering linkage to the energy absorption member and to limit a rearward displacement of the steering linkage.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: May 29, 2018
    Assignee: Nissan North America, Inc.
    Inventors: Matthew Gapinski, Gunnar Mason, Travis James Parak, Jeffrey Mazur, Yayoi Okumura
  • Publication number: 20180057039
    Abstract: A vehicle includes a vehicle support structure and a steering linkage. The vehicle support structure includes a dash wall. The dash wall separates an engine compartment and a passenger compartment. The dash wall has an energy absorption member supported by the support structure on an engine compartment side of the dash wall. The steering linkage extends through an opening of the dash wall between the engine compartment and the passenger compartment. The steering linkage includes a steering column in the passenger compartment. The steering linkage further includes an abutment. The abutment is positioned and configured to contact the energy absorption member upon a frontal impact of the vehicle to transfer energy from the steering linkage to the energy absorption member and to limit a rearward displacement of the steering linkage.
    Type: Application
    Filed: August 31, 2016
    Publication date: March 1, 2018
    Inventors: Matthew GAPINSKI, Gunnar MASON, Travis James PARAK, Jeffrey MAZUR, Yayoi OKUMURA
  • Patent number: 8948987
    Abstract: An internal combustion engine 1 at a standstill of a vehicle after cold starting can switch its combustion mode to a homogenous combustion mode or a stratified combustion mode. An operation range of the stratified combustion at the standstill of the vehicle after cold starting is expanded relative to an operation range of the homogenous combustion at the standstill of the vehicle after cold starting as an inclination of the vehicle decreases. With this technique, the operation range of the stratified combustion can be expanded while assuring an intake air negative pressure required for achieving the brake performance, so that HC reduction at the standstill of the vehicle after cold starting is obtained.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: February 3, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tomoya Mori, Junso Ichiba, Shinichi Kobayashi, Yayoi Okumura, Tomohiko Takahashi, Masashi Ono, Keisuke Hamano, Masayuki Tomita, Toshiya Kouno, Ritsuo Satou, Hirokimi Koyama, Toshio Takahata, Masayuki Shimizu, Yuuichi Iriya
  • Publication number: 20130151091
    Abstract: An internal combustion engine 1 at a standstill of a vehicle after cold starting can switch its combustion mode to a homogenous combustion mode or a stratified combustion mode. An operation range of the stratified combustion at the standstill of the vehicle after cold starting is expanded relative to an operation range of the homogenous combustion at the standstill of the vehicle after cold starting as an inclination of the vehicle decreases. With this technique, the operation range of the stratified combustion can be expanded while assuring an intake air negative pressure required for achieving the brake performance, so that HC reduction at the standstill of the vehicle after cold starting is obtained.
    Type: Application
    Filed: August 9, 2011
    Publication date: June 13, 2013
    Inventors: Tomoya Mori, Junso Ichiba, Shinichi Kobayashi, Yayoi Okumura, Tomohiko Takahashi, Masashi Ono, Keisuke Hamano, Masayuki Tomita, Toshiya Kouno, Ritsuo Satou, Hirokimi Koyama, Toshio Takahata, Masayuki Shimizu, Yuuichi Iriya