Patents by Inventor Toshifumi Ogihara

Toshifumi Ogihara 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: 8186474
    Abstract: A wheel loader includes a rear frame having left and right plate-shaped main beams. A reinforcing bracket is provided at an upper position substantially in a middle of a front-and-rear direction of the rear frame, and the reinforcing bracket bridges between the main beams. A substantially middle position of the rear frame exhibits a closed-section structure that includes the reinforcing bracket. The closed-section structure at the main beams specifically includes an axle support, a reinforcing plate, a reinforcing rib and the reinforcing bracket in the order from a lower side to an upper side.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: May 29, 2012
    Assignees: Komatsu Ltd., Komatsu Utility Co., Ltd.
    Inventors: Hiroyuki Shioji, Toshifumi Ogihara, Akio Miyane, Takeshi Kamimae
  • Publication number: 20100320807
    Abstract: A wheel loader includes a rear frame having left and right plate-shaped main beams. A reinforcing bracket is provided at an upper position substantially in a middle of a front-and-rear direction of the rear frame, and the reinforcing bracket bridges between the main beams. A substantially middle position of the rear frame exhibits a closed-section structure that includes the reinforcing bracket. The closed-section structure at the main beams specifically includes an axle support, a reinforcing plate, a reinforcing rib and the reinforcing bracket in the order from a lower side to an upper side.
    Type: Application
    Filed: December 7, 2007
    Publication date: December 23, 2010
    Inventors: Hiroyuki Shioji, Toshifumi Ogihara, Akio Miyane, Takeshi Kamimae
  • Patent number: 7162816
    Abstract: A work vehicle with a tilt floor, which is capable of improving the maintainability around an engine and the operability and comfortability of a driver's seat and its periphery, is provided. The work vehicle with a tilt floor includes a hinge mechanism which is provided on the front end of the tilt floor to enable to turn the tilt floor toward the front of the vehicle body, the rear of the tilt floor is formed to be higher than the front of the tilt floor so to cover the headroom of an engine disposed on the rear of the vehicle body, and an operator seat is disposed on the top surface at the rear of the tilt floor.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: January 16, 2007
    Assignees: Komatsu Ltd., Komatsu Zenoah Co.
    Inventors: Kinichi Otsuka, Toshifumi Ogihara, Katsumi Yokoo, Sachio Shimizu
  • Patent number: 7131687
    Abstract: A work vehicle comprises a counter weight (1) manufactured by casting, an outer surface thereof being formed in a substantially arc shape, the counter weight (1) including at a lower section thereof an extended portion extending in leftward and rightward directions to have a substantially arc shape, tip ends of the extended portion and a lower part of a center section of the counter weight (1) being provided with a lower attachment base, and an upper face thereof being provided with a canopy attachment base; and a canopy (2) including a roof (22), pillars (21) standing at left side and right side for supporting the roof (22), and a lower attachment member (23) manufactured by casting for fixing lower ends of the pillars (21), the canopy (2) being mounted on the counter weight (1).
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: November 7, 2006
    Assignees: Komatsu Ltd., Komatsu Zenoah Co.
    Inventors: Katsumi Yokoo, Toshifumi Ogihara
  • Publication number: 20040172863
    Abstract: A work vehicle with a tilt floor, which is capable of improving the maintainability around an engine and the operability and comfortability of a driver's seat and its periphery, is provided. The work vehicle with a tilt floor includes a hinge mechanism which is provided on the front end of the tilt floor to enable to turn the tilt floor toward the front of the vehicle body, the rear of the tilt floor is formed to be higher than the front of the tilt floor so to cover the headroom of an engine disposed on the rear of the vehicle body, and an operator seat is disposed on the top surface at the rear of the tilt floor.
    Type: Application
    Filed: October 16, 2003
    Publication date: September 9, 2004
    Inventors: Kinichi Otsuka, Toshifumi Ogihara, Katsumi Yokoo, Sachio Shimizu
  • Publication number: 20040084934
    Abstract: A work vehicle comprises a counter weight (1) manufactured by casting, an outer surface thereof being formed in a substantially arc shape, the counter weight (1) including at a lower section thereof an extended portion extending in leftward and rightward directions to have a substantially arc shape, tip ends of the extended portion and a lower part of a center section of the counter weight (1) being provided with a lower attachment base, and an upper face thereof being provided with a canopy attachment base; and a canopy (2) including a roof (22), pillars (21) standing at left side and right side for supporting the roof (22), and a lower attachment member (23) manufactured by casting for fixing lower ends of the pillars (21) , the canopy (2) being mounted on the counter weight (1).
    Type: Application
    Filed: October 22, 2003
    Publication date: May 6, 2004
    Inventors: Katsumi Yokoo, Toshifumi Ogihara