Patents by Inventor Kuninosuke Iwata

Kuninosuke Iwata 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: 8469402
    Abstract: A riding mower having left and right driving rear wheels independently drivable forward and backward and a pair of left and right steerable front wheels is provided with a support device capable of being mounted with a cylindrical gas cylinder in a horizontal position on an external side of a rollover projection frame. The support device is provided such that the mounted gas cylinder is positioned along front and rear of the rollover protection frame and is mounted in a tilted state in which the central axis of the cylindrical gas cylinder is closer to a central side in a lateral direction of a vehicle body toward a rear side from a plan view.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: June 25, 2013
    Assignee: Kubota Corporation
    Inventors: Akira Minoura, Yoshihiro Ueda, Kuninosuke Iwata, Hiroyuki Tada, Yoshiyuki Esaki
  • Publication number: 20120023886
    Abstract: A riding mower having left and right driving rear wheels independently drivable forward and backward and a pair of left and right steerable front wheels is provided with a support device capable of being mounted with a cylindrical gas cylinder in a horizontal position on an external side of a rollover projection frame. The support device is provided such that the mounted gas cylinder is positioned along front and rear of the rollover protection frame and is mounted in a tilted state in which the central axis of the cylindrical gas cylinder is closer to a central side in a lateral direction of a vehicle body toward a rear side from a plan view.
    Type: Application
    Filed: March 11, 2011
    Publication date: February 2, 2012
    Applicant: KUBOTA CORPORATION
    Inventors: Akira MINOURA, Yoshihiro UEDA, Kuninosuke IWATA, Hiroyuki TADA, Yoshiyuki ESAKI
  • Patent number: 6752228
    Abstract: A tractor with a cab disposed rearwardly of a hood, the cab being mounted on a tractor body (T) including a body forming unit, the cab including a bottom wall defining left and right footrests. The cab has a total length larger than a total height thereof. The cab is arranged to have the footrests substantially level with a lower end of the body forming unit. The cab has an intermediate height level (x) lower than a height level of the hood.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: June 22, 2004
    Assignee: Kubota Corporation
    Inventors: Hitoshi Aoyama, Seiichi Ishiizumi, Katsumi Yanagihara, Kuninosuke Iwata, Norihide Iwata, Takahiro Komine, Yutaka Inubushi, Shigeo Shoen
  • Publication number: 20030015363
    Abstract: A tractor with a cab (C) disposed rearwardly of a hood (8), the cab being mounted on a tractor body (T) including a body forming unit (100; 3, 4, 5, 6), the cab including a bottom wall (27) defining left and right footrests (27a, 27a). The cab (C) has a total length (L) larger than a total height (H3) thereof. The cab (C) is arranged to have the footrests (27a, 27a) substantially level with a lower end of the body forming unit (100; 3, 4, 5, 6). The cab (C) has an intermediate height level (x) lower than a height level (H4) of the hood (8).
    Type: Application
    Filed: February 22, 2002
    Publication date: January 23, 2003
    Applicant: KUBOTA CORPORATION
    Inventors: Hitoshi Aoyama, Seiichi Ishiizumi, Katsumi Yanagihara, Kuninosuke Iwata, Norihide Iwata, Takahiro Komine, Yutaka Inubushi, Shigeo Shoen