Patents by Inventor Ryozo Okano

Ryozo Okano 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).

  • Lubrication system for motorcycles
    Patent number: 3945463
    Abstract: A dry-sump type lubrication system for motorcycles which comprises an oil tank defined by the internal spaces of a main pipe, down tube, and tension pipe, and wherein the upper end of the down tube communicates with the forward end portion of the main pipe; the tension pipe communicates with the main pipe behind the junction of the main pipe and down tube, and also with the down tube below said junction; and lubricating oil is supplied to the engine from the lower end of the down tube.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: March 23, 1976
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Ryozo Okano, Nobuyoshi Tominaga