Patents by Inventor Mitetsu Sano

Mitetsu Sano 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: 8413998
    Abstract: [Problem to be Solved] To provide a roller skate in which the inclination of a shoe can be firmly stabilized and the user can easily apply force to the ankle. [Solution] A pair of roller skates 1 provided with wheels 3 and a sole 10 rotatably holding the wheels 3. In each of a pair of the roller skates 1, the wheels 3 are provided with one front wheel 3a and one rear wheel 3b. The front wheel 3a is provided on the inside of a shoe body 2 provided over the sole 10, and the rear wheel 3b is provided on the outside of the shoe body 2.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: April 9, 2013
    Inventor: Mitetsu Sano
  • Publication number: 20100109265
    Abstract: [Problem to be Solved] To provide a roller skate in which the inclination of a shoe can be firmly stabilized and the user can easily apply force to the ankle. [Solution] A pair of roller skates 1 provided with wheels 3 and a sole 10 rotatably holding the wheels 3. In each of a pair of the roller skates 1, the wheels 3 are provided with one front wheel 3a and one rear wheel 3b. The front wheel 3a is provided on the inside of a shoe body 2 provided over the sole 10, and the rear wheel 3b is provided on the outside of the shoe body 2.
    Type: Application
    Filed: July 6, 2007
    Publication date: May 6, 2010
    Inventor: Mitetsu Sano
  • Publication number: 20060038361
    Abstract: Roller skates 1 comprise: a pair of shoes 3 having a shoe body 7 and a sole 9; and a roller 5 disposed for each shoe. The roller 5 comprises: an axle 17 obliquely extending downward from the inner edge of the shoe body 7; and wheels 51 disposed rotatably about the axle 17. Each wheel 51 has a diameter larger than a distance between the sole 9 and the ground, and is angularly disposed over the inner edge of the shoe body 7 to underneath the sole 9 such that a ground engaging point of the wheel 51 is positioned approximately along the center line of the sole 9.
    Type: Application
    Filed: May 9, 2003
    Publication date: February 23, 2006
    Inventor: Mitetsu Sano