Patents by Inventor Naoaki Yoshimoto

Naoaki Yoshimoto 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: 6109393
    Abstract: An output reduction gear type of manual transmission having a reduction gear chamber formed by partitions disposed on opposite sides of a reduction gear unit, an oil inflow structure comprising an oil inflow passage formed at a lower end of the reduction gear unit and tapered roller bearings supporting an output shaft and a counter shaft which are coupled by the reduction gear unit, an oil outflow structure comprising an oil tray which collects oil splashed by the counter shaft and the reduction gear unit and an oil outflow passage formed at an upper part of the reduction gear unit.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: August 29, 2000
    Assignee: Mazda Motor Corporation
    Inventors: Hideo Toyota, Naoaki Yoshimoto