Patents by Inventor Yoshirou Takao

Yoshirou Takao 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).

  • Speed change transmission apparatus
    Patent number: 8303448
    Abstract: Disclosed is an apparatus including a stepless speed change device receiving an engine drive; a planetary transmission device for, by a plurality of planetary transmission mechanisms, combining an output from the stepless speed change device and the engine drive not subject to a speed change by the stepless speed change device; and a speed range setting device for outputting the drive combined by the planetary transmission device and divided into a plurality of speed ranges. The planetary transmission device, the speed range setting device and a forward-reverse changeover device are located forwardly of a rear end of an upstream transmission case portion. An electric motor may be used instead of the stepless speed change device.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: November 6, 2012
    Assignee: Kubota Corporation
    Inventors: Minoru Hiraoka, Yoshirou Takao, Masaru Andou
  • Speed Change Transmission Apparatus
    Publication number: 20090280944
    Abstract: Disclosed is an apparatus including a stepless speed change device receiving an engine drive; a planetary transmission device for, by a plurality of planetary transmission mechanisms, combining an output from the stepless speed change device and the engine drive not subject to a speed change by the stepless speed change device; and a speed range setting device for outputting the drive combined by the planetary transmission device and divided into a plurality of speed ranges. The planetary transmission device, the speed range setting device and a forward-reverse changeover device are located forwardly of a rear end of an upstream transmission case portion. An electric motor may be used instead of the stepless speed change device.
    Type: Application
    Filed: September 25, 2007
    Publication date: November 12, 2009
    Applicant: KUBOTA CORPORATION
    Inventors: Minoru Hiraoka, Yoshirou Takao, Masaru Andou