Patents by Inventor Chih-Da Chien

Chih-Da Chien 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).

  • Cycling-type physical therapy apparatus with an electrical stimulation device
    Patent number: 6960155
    Abstract: A cycling-type physical therapy apparatus includes a foot-operated pedal mechanism, a hand-operated assist mechanism, a transmission mechanism, and an electrical stimulation device, all of which are mounted on a frame assembly. The transmission mechanism is coupled to the pedal mechanism and the assist mechanism for transmitting auxiliary drive power applied through the assist mechanism to the pedal mechanism. The electrical stimulation device is operable so as to generate electrical stimulus for muscle stimulation of the user of the apparatus.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: November 1, 2005
    Assignee: ZMI Electronics Ltd.
    Inventors: Chih-Da Chien, Po-Hsing Lee
  • Cycling-type physical therapy apparatus with an electrical stimulation device
    Publication number: 20040259693
    Abstract: A cycling-type physical therapy apparatus includes a foot-operated pedal mechanism, a hand-operated assist mechanism, a transmission mechanism, and an electrical stimulation device, all of which are mounted on a frame assembly. The transmission mechanism is coupled to the pedal mechanism and the assist mechanism for transmitting auxiliary drive power applied through the assist mechanism to the pedal mechanism. The electrical stimulation device is operable so as to generate electrical stimulus for muscle stimulation of the user of the apparatus.
    Type: Application
    Filed: June 18, 2003
    Publication date: December 23, 2004
    Applicant: ZMI ELECTRONICS LTD.
    Inventors: Chih-Da Chien, Po-Hsing Lee