Patents by Inventor Narutoshi Ishioka

Narutoshi Ishioka 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).

  • Mower mounted on a work vehicle having suspension arms
    Patent number: 11882789
    Abstract: A work vehicle includes a running vehicle body, a floor forming a bottom portion of an operation part of the running vehicle body, a fuel tank arranged below the floor, a lawn mower suspended from a lower part of the running vehicle body, a front suspension arm for suspending a front portion of the lawn mower, and a rear suspension arm for suspending a rear portion of the lawn mower. The rear suspension arm is arranged to avoid the fuel tank.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: January 30, 2024
    Assignee: ISEKI & CO., LTD.
    Inventors: Narutoshi Ishioka, Hirotaka Toda
  • WORK VEHICLE
    Publication number: 20210251138
    Abstract: A work vehicle includes a running vehicle body, a floor forming a bottom portion of an operation part of the running vehicle body, a fuel tank arranged below the floor, a lawn mower suspended from a lower part of the running vehicle body, a front suspension arm for suspending a front portion of the lawn mower, and a rear suspension arm for suspending a rear portion of the lawn mower. The rear suspension arm is arranged to avoid the fuel tank.
    Type: Application
    Filed: October 21, 2020
    Publication date: August 19, 2021
    Applicant: ISEKI & CO., LTD.
    Inventors: Narutoshi ISHIOKA, Hirotaka TODA
  • Meter instrument panel
    Patent number: D730947
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: June 2, 2015
    Assignee: Iseki & Co., Ltd.
    Inventors: Kazunori Fukuchi, Takehumi Kato, Hirofumi Tsuchiya, Teruki Matsukawa, Narutoshi Ishioka