Patents by Inventor Shojiro Akuzawa

Shojiro Akuzawa 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: 6394205
    Abstract: The objective of the present invention is to obtain a car for aiding outdoor walking without a danger of an uncontrollable run even when a user unexpectedly releases his grips, and to prevent the user from falling down due to a dragging movement of the car for aiding outdoor walking and to attain a good maneuverability for a user whose one hand is disabled when a user is in unstable posture due to stumbling etc. The car for aiding outdoor walking where a first, a second and a third controls are controlled by a gripping extent of a operating lever gripped together with a handle by the same hand according to a predetermined stroke schedule: the stroke extent of the first control is kept less than 40% of the whole stroke, the stroke extent of the third control is kept more than 70% and the stroke extent of the second control is kept between the first and the third controls.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: May 28, 2002
    Inventor: Shojiro Akuzawa