Patents by Inventor Hajime Kokusyo

Hajime Kokusyo 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).

  • Exhaust gas purification device and method for diesel engine
    Patent number: 6792751
    Abstract: In order to improve performance of NOx reduction, an additional fuel injection immediately after a main fuel injection is performed. By such additional fuel injection, hydrogen (H2) is supplied to a NOx trap catalyst. And in order to prevent engine output torque from varying by the additional fuel injection, the main fuel injection is controlled by whether the additional fuel injection is performed.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: September 21, 2004
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hajime Kokusyo, Yasuhisa Kitahara, Hiroaki Kaneko, Motohisa Kamijo
  • Exhaust gas purification device and method for diesel engine
    Publication number: 20030070425
    Abstract: In order to improve performance of NOx reduction, an additional fuel injection immediately after a main fuel injection is performed. By such additional fuel injection, hydrogen (H2) is supplied to a NOx trap catalyst. And in order to prevent engine output torque from varying by the additional fuel injection, the main fuel injection is controlled by whether the additional fuel injection is performed.
    Type: Application
    Filed: October 11, 2002
    Publication date: April 17, 2003
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Hajime Kokusyo, Yasuhisa Kitahara, Hiroaki Kaneko, Motohisa Kamijo