Patents by Inventor Sadami Sakai

Sadami Sakai 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: 6013042
    Abstract: The present invention aims to provide a massaging device for feet and legs comprising a number of bosses each having a spherically headed portion on the top and lined on platforms of a certain height in plural rows, characterized in that the users can casually use it concurrently with their work in the office and not only the vital points of those body portions can be comfortably and adequately stimulated from an optimum angle with respect to those vital points just by statically placing them against those bosses in their seating and lying postures, but also load angle with respect to those vital points can be freely adjusted at their disposal.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: January 11, 2000
    Assignee: Todoroki Sangyo Kabushiki Kaisha
    Inventor: Sadami Sakai