Patents by Inventor Akitoshi Nishizawa

Akitoshi Nishizawa 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).

  • Ski
    Patent number: 4487426
    Abstract: The ski includes a front ski half extending from the front ground line to the middle part, a rear ski half extending from the middle part to the rear ground line, a gliding surface and a boot mounting area. The right and left side contours of the front ski half are formed in plan into outwardly-bulging curves, more preferably into arcuate curves relative to the longitudinal center line of the ski.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: December 11, 1984
    Assignee: Kabushikigaisha Nishizawa
    Inventor: Akitoshi Nishizawa