Patents by Inventor Hiroaki Kitaguchi
Hiroaki Kitaguchi 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).
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Patent number: 10099547Abstract: A utility vehicle provided with an engine in a rear portion of a vehicle body is disclosed. The engine is provided with a cylinder head, and has an exhaust gas outlet port formed to be open in a front surface of the engine. An exhaust pipe extends forward from the exhaust gas outlet port, then curves, and extends rearward. A cover that covers a front portion of the exhaust pipe includes: a front-side portion that covers a front side of the front portion of the exhaust pipe; an upper-side portion that extends rearward from an upper end portion of the front-side portion and covers an upper side of the front portion of the exhaust pipe; and an extension portion that extends rearward from a rear end portion of the upper-side portion and covers an upper side of a front portion of the cylinder head.Type: GrantFiled: May 25, 2016Date of Patent: October 16, 2018Assignee: Kubota CorporationInventors: Hiroki Bessho, Toshiki Ono, Noriyasu Honjo, Hiroaki Kitaguchi
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Publication number: 20170001508Abstract: A utility vehicle provided with an engine in a rear portion of a vehicle body is disclosed. The engine is provided with a cylinder head, and has an exhaust gas outlet port formed to be open in a front surface of the engine. An exhaust pipe extends forward from the exhaust gas outlet port, then curves, and extends rearward. A cover that covers a front portion of the exhaust pipe includes: a front-side portion that covers a front side of the front portion of the exhaust pipe; an upper-side portion that extends rearward from an upper end portion of the front-side portion and covers an upper side of the front portion of the exhaust pipe; and an extension portion that extends rearward from a rear end portion of the upper-side portion and covers an upper side of a front portion of the cylinder head.Type: ApplicationFiled: May 25, 2016Publication date: January 5, 2017Inventors: Hiroki Bessho, Toshiki Ono, Noriyasu Honjo, Hiroaki Kitaguchi
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Patent number: 9403560Abstract: A work vehicle includes a driver's seat in a front section of the vehicle body. A rear seat is behind the driver's seat and includes a seat portion and a back portion. A link member is supported by the vehicle body to allow switching between a seating mode and a storage mode. The seating mode arranges the back portion behind the seat portion. The storage mode arranges the back portion in a position anterior to the position in the seating mode. A carrier bed is in a rear section of the vehicle body. The link member is disposed on an outer side and can act or function as an arm rest.Type: GrantFiled: March 9, 2015Date of Patent: August 2, 2016Assignee: KUBOTA CORPORATIONInventors: Kohta Nakao, Yoshimi Hirooka, Takashi Kuramoto, Hiroaki Kitaguchi, Kodai Tateishi
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Publication number: 20160090130Abstract: A work vehicle includes a driver's seat in a front section of the vehicle body. A rear seat is behind the driver's seat and includes a seat portion and a back portion. A link member is supported by the vehicle body to allow switching between a seating mode and a storage mode. The seating mode arranges the back portion behind the seat portion. The storage mode arranges the back portion in a position anterior to the position in the seating mode. A carrier bed is in a rear section of the vehicle body. The link member is disposed on an outer side and can act or function as an arm rest.Type: ApplicationFiled: March 9, 2015Publication date: March 31, 2016Applicant: KUBOTA CORPORATIONInventors: Kohta NAKAO, Yoshimi HIROOKA, Takashi KURAMOTO, Hiroaki KITAGUCHI, Kodai TATEISHI
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Patent number: 8720299Abstract: A tiltable steering wheel apparatus comprises a tilting mechanism provided under a grip portion of a steering wheel. The tilting mechanism includes a steering wheel support member for supporting the steering wheel to be tiltable about a pivotal axis extending along a transverse direction of a vehicle body, and a control lever switchable between a tilting allowing mode for allowing tilting movement of the steering wheel and a tilting preventing mode for preventing tilting movement of the steering wheel. The control lever has an extension extending toward the grip portion with a manual control portion provided in a distal end thereof to be operable with the fingers of the operator holding the grip portion of the steering wheel.Type: GrantFiled: March 18, 2011Date of Patent: May 13, 2014Assignee: Kubota CorporationInventors: Norimi Nakamura, Koji Fujiwara, Hiroaki Kitaguchi, Koji Nada
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Patent number: 8720977Abstract: In a door (25) of a cabin for work vehicle, which door (25) opens and closes an entrance of the cabin and includes a door main body (25A) having a plurality of accessories (A), the door main body (25A) is formed as a hollow welded unified structure having a door cavity (25B), by welding an inner panel (27) to an outer panel (28) each made of a press-molded sheet-metal. An accessory attaching portion (B) is integrally molded with the inner panel (27), and the outer panel (28) has an opening (28J) formed therein for part assembly which allows the accessories (A) to be brought into the door cavity (25B) and assembled to the accessory attaching portion (B). The outer pane (28) is further provided with a decorative cover (60) for closing the opening (28J).Type: GrantFiled: September 14, 2011Date of Patent: May 13, 2014Assignee: Kubota CorporationInventors: Norimi Nakamura, Koji Nada, Hiroaki Kitaguchi
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Publication number: 20120248813Abstract: In a door (25) of a cabin for work vehicle, which door (25) opens and closes an entrance of the cabin and includes a door main body (25A) having a plurality of accessories (A), the door main body (25A) is formed as a hollow welded unified structure having a door cavity (25B), by welding an inner panel (27) to an outer panel (28) each made of a press-molded sheet-metal. An accessory attaching portion (B) is integrally molded with the inner panel (27), and the outer panel (28) has an opening (28J) formed therein for part assembly which allows the accessories (A) to be brought into the door cavity (25B) and assembled to the accessory attaching portion (B). The outer pane (28) is further provided with a decorative cover (60) for closing the opening (28J).Type: ApplicationFiled: September 14, 2011Publication date: October 4, 2012Applicant: KUBOTA CORPORATIONInventors: Norimi Nakamura, Koji Nada, Hiroaki Kitaguchi
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Publication number: 20110314953Abstract: A tiltable steering wheel apparatus comprises a tilting mechanism provided under a grip portion of a steering wheel. The tilting mechanism includes a steering wheel support member for supporting the steering wheel to be tiltable about a pivotal axis extending along a transverse direction of a vehicle body, and a control lever switchable between a tilting allowing mode for allowing tilting movement of the steering wheel and a tilting preventing mode for preventing tilting movement of the steering wheel. The control lever has an extension extending toward the grip portion with a manual control portion provided in a distal end thereof to be operable with the fingers of the operator holding the grip portion of the steering wheel.Type: ApplicationFiled: March 18, 2011Publication date: December 29, 2011Applicant: KUBOTA CORPORATIONInventors: Norimi Nakamura, Koji Fujiwara, Hiroaki Kitaguchi, Koji Nada
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Patent number: 7980050Abstract: A mower unit includes a mower deck, a plurality of blades mounted inside the mower deck and rotatable about vertical shafts supported to the mower deck, the mower deck defining, on one lateral side thereof, a discharge outlet for discharging cut grass cut by the plurality of blades, and an opening and closing member configured to be movable to a closing position for closing the discharge outlet and also to an opening position away from the discharge outlet for opening the discharge outlet, the opening and closing member at the opening position being disposed along an outer face of the mower deck.Type: GrantFiled: September 22, 2009Date of Patent: July 19, 2011Assignee: Kubota CorporationInventors: Ryouzou Imanishi, Hiroaki Kitaguchi, Nobuyuki Yamashita, Hiroki Nagai, Hiroshi Oshima, Tomoyuki Morikawa, Takashi Fujii, Toshiki Kanai, Katsuhiko Uemura, Hiroyuki Ogasawara
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Patent number: 7814739Abstract: A riding type mower includes: a vehicle body, a driver's seat mounted on the vehicle body; an operation part arranged around the driver's seat; a mower unit provided on the vehicle body; a shutter for closing a discharge port; a shutter moving mechanism for moving the shutter between a close position closing the discharge port and an open position opening the discharge port; and a lock mechanism for locking the shutter at the close position. The mower unit includes: a mower deck; a cutting blade installed inside the mower deck; the discharge port formed in the mower deck, through which mown grass cut by the blade is discharge from the mower unit to outside. A shutter operating tool for remotely operating the shutter moving mechanism to open and close the shutter is provided in the operation part. The lock mechanism is remotely operable from the operation part.Type: GrantFiled: February 18, 2009Date of Patent: October 19, 2010Assignee: Kubota CorporationInventors: Katsuhiko Uemura, Hiroki Nagai, Tomoyuki Morikawa, Ryouzou Imanishi, Hiroaki Kitaguchi, Takashi Fujii, Nobuyuki Yamashita, Toshiki Kanai
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Publication number: 20100043379Abstract: A mower unit includes a mower deck, a plurality of blades mounted inside the mower deck and rotatable about vertical shafts supported to the mower deck, the mower deck defining, on one lateral side thereof, a discharge outlet for discharging cut grass cut by the plurality of blades, and an opening and closing member configured to be movable to a closing position for closing the discharge outlet and also to an opening position away from the discharge outlet for opening the discharge outlet, the opening and closing member at the opening position being disposed along an outer face of the mower deck.Type: ApplicationFiled: September 22, 2009Publication date: February 25, 2010Applicant: KUBUTA CORPORATIONInventors: Ryouzou IMANISHI, Hiroaki KITAGUCHI, Nobuyuki YAMASHITA, Hiroki NAGAI, Hiroshi OSHIMA, Tomoyuki MORIKAWA, Takashi FUJII, Toshiki KANAI, Katsuhiko UEMURA, Hiroyuki OGASAWARA
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Publication number: 20100031620Abstract: A riding type mower includes: a vehicle body, a driver's seat mounted on the vehicle body; an operation part arranged around the driver's seat; a mower unit provided on the vehicle body; a shutter for closing a discharge port; a shutter moving mechanism for moving the shutter between a close position closing the discharge port and an open position opening the discharge port; and a lock mechanism for locking the shutter at the close position. The mower unit includes: a mower deck; a cutting blade installed inside the mower deck; the discharge port formed in the mower deck, through which mown grass cut by the blade is discharge from the mower unit to outside. A shutter operating tool for remotely operating the shutter moving mechanism to open and close the shutter is provided in the operation part. The lock mechanism is remotely operable from the operation part.Type: ApplicationFiled: February 18, 2009Publication date: February 11, 2010Applicant: KUBOTA CORPORATIONInventors: Katsuhiko Uemura, Hiroki Nagai, Tomoyuki Morikawa, Ryouzou Imanishi, Hiroaki Kitaguchi, Takashi Fujii, Nobuyuki Yamashita, Toshiki Kanai
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Patent number: 7637089Abstract: A grass collecting apparatus for a lawn mower comprises a frame (22) supported by a vehicle body, a container supporting member (26) for supporting a grass collecting container (21) for storing grass clippings and including a container supporting surface (27) for receiving an opening edge of the grass collecting container, and a container cover (23) mounted on the frame to be oscillatable about a horizontal axis between a closed position and an opened position. An engaging member (35) is mounted on the container cover (23). The engaging member (35) is engageable with the opening edge (21b) of the grass collecting container (21) with oscillation of the container cover (23) from the opened position to the closed position, thereby positioning and maintaining the grass collecting container (21) on the container supporting member (26), and disengageable from the opening edge (21b) of the grass collecting container (21) with oscillation of the container cover (23) from the closed position to the opened position.Type: GrantFiled: September 3, 2008Date of Patent: December 29, 2009Assignee: Kubota CorporationInventors: Nobuyuki Yamashita, Takashi Fujii, Hiroaki Kitaguchi, Toshiki Kanai, Katsuhiko Uemura, Tomoyuki Morikawa, Hiroki Nagai, Ryouzou Imanishi
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Patent number: 7610742Abstract: A mower unit includes a mower deck, a plurality of blades mounted inside the mower deck and rotatable about vertical shafts supported to the mower deck, the mower deck defining, on one lateral side thereof, a discharge outlet for discharging cut grass cut by the plurality of blades, and an opening and closing member configured to be movable to a closing position for closing the discharge outlet and also to an opening position away from the discharge outlet for opening the discharge outlet, the opening and closing member at the opening position being disposed along an outer face of the mower deck.Type: GrantFiled: August 31, 2007Date of Patent: November 3, 2009Assignee: Kubota CorporationInventors: Ryouzou Imanishi, Hiroaki Kitaguchi, Nobuyuki Yamashita, Hiroki Nagai, Hiroshi Oshima, Tomoyuki Morikawa, Takashi Fujii, Toshiki Kanai, Katsuhiko Uemura, Hiroyuki Ogasawara
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Publication number: 20090211215Abstract: A grass collecting apparatus for a lawn mower comprises a frame (22) supported by a vehicle body, a container supporting member (26) for supporting a grass collecting container (21) for storing grass clippings and including a container supporting surface (27) for receiving an opening edge of the grass collecting container, and a container cover (23) mounted on the frame to be oscillatable about a horizontal axis between a closed position and an opened position. An engaging member (35) is mounted on the container cover (23). The engaging member (35) is engageable with the opening edge (21b) of the grass collecting container (21) with oscillation of the container cover (23) from the opened position to the closed position, thereby positioning and maintaining the grass collecting container (21) on the container supporting member (26), and disengageable from the opening edge (21b) of the grass collecting container (21) with oscillation of the container cover (23) from the closed position to the opened position.Type: ApplicationFiled: September 3, 2008Publication date: August 27, 2009Applicant: KUBOTA CORPORATIONInventors: Nobuyuki Yamashita, Takashi Fujii, Hiroaki Kitaguchi, Toshiki Kanai, Katsuhiko Uemura, Tomoyuki Morikawa, Hiroki Nagai, Ryouzou Imanishi
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Publication number: 20080092509Abstract: A mower unit includes a mower deck, a plurality of blades mounted inside said mower deck and rotatable about vertical shafts supported to the mower deck, the mower deck defining, on one lateral side thereof, a discharge outlet for discharging cut grass cut by the plurality of blades, and an opening/closing member configured to be movable to a closing position for closing the discharge outlet and also to an opening position away from the discharge outlet for opening the discharge outlet, the opening/closing member at the opening position being disposed along an outer face of the mower deck.Type: ApplicationFiled: August 31, 2007Publication date: April 24, 2008Applicant: KUBUTA CORPORATIONInventors: Ryouzou IMANISHI, Hiroaki KITAGUCHI, Nobuyuki YAMASHITA, Hiroki NAGAI, Hiroshi OSHIMA, Tomoyuki MORIKAWA, Takashi FUJII, Toshiki KANAI, Katsuhiko UEMURA, Hiroyuki OGASAWARA