Patents by Inventor Kounosuke Nishijima

Kounosuke Nishijima 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).

  • Baseball or softball shoe sole
    Patent number: 4590693
    Abstract: A baseball or softball shoe with its sole having a plurality of individual spikes which limitedly penetrate into the ground to the optimum depth to enhance the player's ability to run fast. A plurality of projections are formed with the sole adjacent to its periphery in forefoot and heel regions of the sole. The forefoot region is also provided with a plurality of second projections integral with the sole in the inside of the spikes.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: May 27, 1986
    Assignee: Mizuno Corporation
    Inventors: Yukio Kawashima, Kounosuke Nishijima