Patents by Inventor Ryotaro Senda

Ryotaro Senda 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: 10538179
    Abstract: A mower may include a body frame, a mower unit installed to the body frame, a grass collection container optionally installed at a rear portion of the body frame, a front-wheel support arm provided at a front portion of the body frame, a left front wheel and a right front wheel supported by the front-wheel support arm, a counterweight, and a weight bracket. The weight bracket may be provided on the front-wheel support arm and configured to attach the counterweight thereto. The counterweight may include a plurality of weight elements. The weight bracket may include a plurality of attachment portions. The at least one weight element may be attached to each attachment portion.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: January 21, 2020
    Assignee: Kubota Corporation
    Inventors: Masato Asahara, Ryotaro Senda, Seiya Yoshida, Hideki Aoki, Kensuke Uemoto, Yoshikazu Togoshi, Yuto Fujii
  • Publication number: 20170166044
    Abstract: In a work vehicle, a fuel supply path including a first fuel supply path connecting a first fuel tank to a merging portion, a second fuel supply path connecting a second fuel tank to the merging portion, and a common supply path connecting the merging portion to an engine is formed. A fuel pump supplying fuel to the engine is provided in the common supply path. Check valves that open according to a differential pressure between pressures on the fuel tank side and the merging portion side are interposed on the first fuel supply path and the second fuel supply path. A communication channel establishes communication between an upper space of the first fuel tank and an upper space of the second fuel tank is formed.
    Type: Application
    Filed: November 28, 2016
    Publication date: June 15, 2017
    Inventors: Masato Asahara, Ryotaro Senda, Seiya Yoshida, Hideki Aoki, Kensuke Uemoto, Yoshikazu Togoshi, Yuto Fujii