Patents by Inventor Mamoru OKUDA

Mamoru OKUDA 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: 8978625
    Abstract: At the time of drop of an injector current of an internal combustion engine controller, the drop is performed quickly while heat generation of a drive circuit is suppressed, and valve closing response speed of the injector is enhanced.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: March 17, 2015
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Mamoru Okuda, Takuya Mayuzumi, Fumiaki Nasu, Chikara Oomori
  • Publication number: 20110295492
    Abstract: At the time of drop of an injector current of an internal combustion engine controller, the drop is performed quickly while heat generation of a drive circuit is suppressed, and valve closing response speed of the injector is enhanced.
    Type: Application
    Filed: May 27, 2011
    Publication date: December 1, 2011
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Mamoru OKUDA, Takuya Mayuzumi, Fumiaki Nasu, Chikara Oomori