Patents by Inventor Isao Usukura

Isao Usukura 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).

  • Parallel linkage and artificial joint device using the same
    Patent number: 7118601
    Abstract: There are provided an artificial joint device that can realize an artificial limb enabling twisting motion without a drive source, and when with the drive source, reduce the size and costs of the device, and a parallel linkage that can realize the device. The linkage connects a foot portion and a mounting plate spaced from each other. A fixed link has one end fixed to the plate, and the other end connected to the foot portion via a ball joint, making the angle of the fixed link relative to the foot portion changeable in any direction. Expansible links extend between the foot portion and the plate in an expansible/contractible manner and each have opposite ends connected to the plate and the foot portion via respective upper and lower ball joints, making respective angles thereof relative to the foot portion and the plate changeable in any direction.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: October 10, 2006
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Yuji Yasui, Hiroshi Kiyomoto, Isao Usukura, Youichi Nakahara, Haruyuki Iwasaki, Shungo Umeda, Kazunori Yamamoto, Masamitsu Shiono, Kazuo Okada, Manabu Nakayama, Atsushi Kubo
  • Parallel linkage and artificial joint device using the same
    Publication number: 20030163206
    Abstract: There are provided an artificial joint device that can realize an artificial limb enabling twisting motion without a drive source, and when with the drive source, reduce the size and costs of the device, and a parallel linkage that can realize the device. The linkage connects a foot portion and a mounting plate spaced from each other. A fixed link has one end fixed to the plate, and the other end connected to the foot portion via a ball joint, making the angle of the fixed link relative to the foot portion changeable in any direction. Expansible links extend between the foot portion and the plate in an expansible/contractible manner and each have opposite ends connected to the plate and the foot portion via respective upper and lower ball joints, making respective angles thereof relative to the foot portion and the plate changeable in any direction.
    Type: Application
    Filed: February 28, 2003
    Publication date: August 28, 2003
    Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHA
    Inventors: Yuji Yasui, Hiroshi Kiyomoto, Isao Usukura, Youichi Nakahara, Haruyuki Iwasaki, Shungo Umeda, Kazunori Yamamoto, Masamitsu Shiono, Kazuo Okada, Manabu Nakayama, Atsushi Kubo