Patents by Inventor Masayuki Ohkubo

Masayuki Ohkubo 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: 6644434
    Abstract: To provide a motor-driven power steering apparatus which can prevent the play of the handle from being generated at the time of steering and the noises from occurring at the time of a high rotation in a motor-driven power steering. In a motor-driven power steering apparatus mounted as a steering unit for steering running wheels such as front wheels or the like of a motor vehicle, the running wheels are steering-wheel turned by a steering assist force given by a brushless motor and a manual steering force given by operation of a steering handle.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: November 11, 2003
    Assignee: Mitsuba Corporation
    Inventors: Hideaki Fujii, Masayuki Ohkubo, Yoshiaki Taniguchi, Yoshihiro Takemoto
  • Publication number: 20020148676
    Abstract: To provide a motor-driven power steering apparatus which can prevent the play of the handle from being generated at the time of steering and the noises from occurring at the time of a high rotation in a motor-driven power steering.
    Type: Application
    Filed: April 10, 2002
    Publication date: October 17, 2002
    Inventors: Hideaki Fujii, Masayuki Ohkubo, Yoshiaki Taniguchi, Yoshihiro Takemoto
  • Patent number: D375451
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: November 12, 1996
    Assignee: Yazaki Industrial Chemical Co., Ltd.
    Inventor: Masayuki Ohkubo