Patents by Inventor Youzaburo Narahara

Youzaburo Narahara 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).

  • Agricultural combine
    Patent number: 5699656
    Abstract: A tracked agricultural combine vehicle for harvesting, hulling and sorting grain includes a grain working section driven via a tension roller clutch controlled power transmission belt and further including integrated control means for left and right side propulsion track assemblies wherein individual track steering commands in the form of differential track speed control are derived from a common steering wheel input; vehicle speed is controlled by a single input means which controls the speed of both tracks.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: December 23, 1997
    Assignee: Yanmar Agricultural Equipment Co., Ltd.
    Inventors: Kenji Hamada, Toshinori Kirihata, Keita Kamikubo, Mikio Takagi, Masami Nakamura, Youzaburo Narahara, Koichi Kawasaki
  • Working vehicle
    Patent number: 5584167
    Abstract: A tracked agricultural combine vehicle for harvesting, hulling and sorting grain includes integrated control means for left and right side propulsion track assemblies wherein individual track steering commands in the form of differential track speed control are derived from a common steering wheel input and vehicle speed is controlled by a single input means which controls the speed of both tracks.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: December 17, 1996
    Assignee: Yanmar Agricultural Equipment Co., Ltd.
    Inventors: Kenji Hamada, Toshinori Kirihata, Masami Nakamura, Youzaburo Narahara, Keita Kamikubo, Mikio Takagi, Koichi Kawasaki