Patents by Inventor Akihisa Kawanabe

Akihisa Kawanabe 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).

  • Steering apparatus
    Patent number: 8353533
    Abstract: A steering apparatus having a stationary bracket fixed to a vehicle body including a pair of first side plates; a receiving portion provided on the steering column for receiving one end of a conductive member; a pair of second side plates; a conductive cylindrical shaft secured between the pair of first side plates and inserted through the pair of the second side plates; and a plate-shaped conductive member interposed between the receiving portion and an outer peripheral surface of the cylindrical shaft. The conductive member includes first and second bow springs that fit the cylindrical shaft resiliently. The first bow spring is interposed between the second bow spring and the receiving portion, a first contact portion of the second bow spring is pressed to the outer peripheral surface of the cylindrical shaft, and a second contact portion of the first bow spring is pressed to the receiving portion.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: January 15, 2013
    Assignee: JTEKT Corporation
    Inventors: Kenichi Aota, Yoshiaki Takagi, Akihisa Kawanabe
  • Assembly error prevention member and universal joint having same member
    Patent number: 8038362
    Abstract: An assembly error prevention member includes a first plate portion that is attached to a first tab and a third plate portion that is inserted into a slit. The third plate portion has a blocking portion that inhibits a bolt from being tightened into a bolt hole and a driven portion that moves the blocking portion. The second plate portion has a first end portion connected to the first plate portion and a second end portion connected to the third plate portion. The second end portion is wider than the first end portion.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: October 18, 2011
    Assignee: JTEKT Corporation
    Inventor: Akihisa Kawanabe
  • STEERING APPARATUS
    Publication number: 20110163524
    Abstract: A steering apparatus having a stationary bracket fixed to a vehicle body including a pair of first side plates; a receiving portion provided on the steering column for receiving one end of a conductive member; a pair of second side plates; a conductive cylindrical shaft secured between the pair of first side plates and inserted through the pair of the second side plates; and a plate-shaped conductive member interposed between the receiving portion and an outer peripheral surface of the cylindrical shaft. The conductive member includes first and second bow springs that fit the cylindrical shaft resiliently. The first bow spring is interposed between the second bow spring and the receiving portion, a first contact portion of the second contact portion of the first bow spring is pressed to the receiving portion.
    Type: Application
    Filed: August 5, 2009
    Publication date: July 7, 2011
    Applicant: JTEKT CORPORATION
    Inventors: Kenichi Aota, Yoshiaki Takagi, Akihisa Kawanabe
  • ASSEMBLY ERROR PREVENTION MEMBER AND UNIVERSAL JOINT HAVING SAME MEMBER
    Publication number: 20090060637
    Abstract: An assembly error prevention member includes a first plate portion that is attached to a first tab and a third plate portion that is inserted into a slit. The third plate portion has a blocking portion that inhibits a bolt from being tightened into a bolt hole and a driven portion that moves the blocking portion. The second plate portion has a first end portion connected to the first plate portion and a second end portion connected to the third plate portion. The second end portion is wider than the first end portion.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 5, 2009
    Applicant: JTEKT CORPORATION
    Inventor: Akihisa KAWANABE