Patents by Inventor Enichiro Oshimo

Enichiro Oshimo 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: 6820885
    Abstract: A wheelchair apparatus for permitting a user to sit in an upright position while operating a wheelchair. The wheelchair apparatus includes a chair member being designed for supporting the user. The chair member has a seat portion. The chair member has a frame portion. The chair member has at least one drive wheel. The drive wheel is rotatably coupled to the frame portion. The chair member has at least one support wheel. The support wheel is coupled to the frame portion. The support wheel is designed for permitting the chair member to roll along the support surface. At least one lever assembly is operationally coupled to the drive wheel. The lever assembly is coupled to the chair member. The lever assembly is for rotating the drive wheel for propelling the chair member across the support surface when the lever assembly is actuated by the user.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: November 23, 2004
    Inventor: Enichiro Oshimo