Patents by Inventor Masayuki Uehara

Masayuki Uehara 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).

  • One-way clutch for a fishing reel with an improved contact surface configuration
    Patent number: 5370330
    Abstract: A one-way clutch of a fishing reel including an outer race; a plurality of rollers; and a retainer provided in the outer race for retaining the rollers inside of the outer race. The present invention is characterized in that an inner circumferential surface of the outer race is shaped as a polygon; free rotation spaces, in which the rollers are freely rotated, are defined on nook portions of the inner circumferential surface; and the other portions of the inner circumferential surface have rotation hindrance facets with which the rollers are put into contact so that the rollers are hindered from being rotated.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: December 6, 1994
    Assignee: Daiwa Seiko, Inc.
    Inventors: Masayuki Uehara, Kazuo Hirano, Nobuyuki Yamaguchi