Patents by Inventor Yoshimi Hirooka

Yoshimi Hirooka 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: 10486552
    Abstract: A work vehicle provided with a boarding section and an engine is disclosed. The boarding section is provided with a seat that allows an occupant to be seated thereon. The engine is located below the seat. A separator is provided to separate a foot space for an occupant and the engine from each other. The foot space is formed forward of the engine. The separator is provided with a radiator part formed therein. The radiator part is configured to radiate heat.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: November 26, 2019
    Assignee: Kubota Corporation
    Inventors: Katsuhiro Wakabayashi, Kodai Tateishi, Yoshimi Hirooka, Kohta Nakao, Tatsuya Nagatomi
  • Publication number: 20180134179
    Abstract: A work vehicle provided with a boarding section and an engine is disclosed. The boarding section is provided with a seat that allows an occupant to be seated thereon. The engine is located below the seat. A separator is provided to separate a foot space for an occupant and the engine from each other. The foot space is formed forward of the engine. The separator is provided with a radiator part formed therein. The radiator part is configured to radiate heat.
    Type: Application
    Filed: January 15, 2018
    Publication date: May 17, 2018
    Inventors: Katsuhiro Wakabayashi, Kodai Tateishi, Yoshimi Hirooka, Kohta Nakao, Tatsuya Nagatomi
  • Patent number: 9902292
    Abstract: A work vehicle provided with a boarding section and an engine is disclosed. The boarding section is provided with a seat that allows an occupant to be seated thereon. The engine is located below the seat. A separator is provided to separate a foot space for an occupant and the engine from each other. The foot space is formed forward of the engine. The separator is provided with a radiator part formed therein. The radiator part is configured to radiate heat.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: February 27, 2018
    Assignee: Kubota Corporation
    Inventors: Katsuhiro Wakabayashi, Kodai Tateishi, Yoshimi Hirooka, Kohta Nakao, Tatsuya Nagatomi
  • Publication number: 20170036717
    Abstract: A work vehicle provided with a boarding section and an engine is disclosed. The boarding section is provided with a seat that allows an occupant to be seated thereon. The engine is located below the seat. A separator is provided to separate a foot space for an occupant and the engine from each other. The foot space is formed forward of the engine. The separator is provided with a radiator part formed therein. The radiator part is configured to radiate heat.
    Type: Application
    Filed: May 26, 2016
    Publication date: February 9, 2017
    Inventors: Katsuhiro Wakabayashi, Kodai Tateishi, Yoshimi Hirooka, Kohta Nakao, Tatsuya Nagatomi
  • Patent number: 9457756
    Abstract: A work vehicle includes a vehicle body frame. A cockpit section or platform is arranged at a front section of the vehicle. A carrier bed is provided at a rear section of the vehicle. A ROPS includes a pair of left and right front supporting columns, a pair of left and right rear supporting columns, and a rearward overhanging frame extending rearward from upper part of the rear supporting columns.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: October 4, 2016
    Assignee: KUBOTA CORPORATION
    Inventors: Yoshimi Hirooka, Takashi Kuramoto, Kohta Nakao, Katsuhiro Wakabayashi, Kyouhei Hamamura
  • Patent number: 9403560
    Abstract: 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: Grant
    Filed: March 9, 2015
    Date of Patent: August 2, 2016
    Assignee: KUBOTA CORPORATION
    Inventors: Kohta Nakao, Yoshimi Hirooka, Takashi Kuramoto, Hiroaki Kitaguchi, Kodai Tateishi
  • Publication number: 20160090057
    Abstract: A work vehicle includes a vehicle body frame. A cockpit section or platform is arranged at a front section of the vehicle. A carrier bed is provided at a rear section of the vehicle. A ROPS includes a pair of left and right front supporting columns, a pair of left and right rear supporting columns, and a rearward overhanging frame extending rearward from upper part of the rear supporting columns.
    Type: Application
    Filed: March 9, 2015
    Publication date: March 31, 2016
    Applicant: KUBOTA CORPORATION
    Inventors: Yoshimi HIROOKA, Takashi KURAMOTO, Kohta NAKAO, Katsuhiro WAKABAYASHI, Kyouhei HAMAMURA
  • Publication number: 20160090130
    Abstract: 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: Application
    Filed: March 9, 2015
    Publication date: March 31, 2016
    Applicant: KUBOTA CORPORATION
    Inventors: Kohta NAKAO, Yoshimi HIROOKA, Takashi KURAMOTO, Hiroaki KITAGUCHI, Kodai TATEISHI
  • Patent number: 9216777
    Abstract: A work vehicle includes a vehicle body, a seat section and a load-carrying platform disposed rearwardly of the seat section. A storage space is disposed rearwardly of the seat section and downwardly of the load-carrying platform, the storage space extending in a lateral width direction of the vehicle body, and the storage space opening toward a lateral side of the vehicle body.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: December 22, 2015
    Assignee: Kubota Corporation
    Inventors: Norimi Nakamura, Teruo Shimamura, Taro Nakamura, Masaru Nakaji, Mitsugu Kobayashi, Ryouzou Imanishi, Yoshimi Hirooka, Koji Fujiwara
  • Patent number: 9004532
    Abstract: A utility vehicle includes a front boarding section, a rear boarding section having a rear seat unit, a ROPS delimiting space including a front boarding space acting as a ride-in space of the front boarding section and a rear boarding space acting as a ride-in space of the rear boarding section, and a loading platform mounted rearward of the vehicle body. The ROPS includes a plurality of posts and an upper frame supported to the posts and delimiting upper space of the front boarding space and the rear boarding space. The loading platform is switchable between a first position in which a front end of the loading platform is positioned rearward of the rear boarding space and a second position in which the front end of the loading platform enters the rear boarding space.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: April 14, 2015
    Assignee: Kubota Corporation
    Inventor: Yoshimi Hirooka
  • Publication number: 20150084321
    Abstract: A utility vehicle includes a front boarding section, a rear boarding section having a rear seat unit, a ROPS delimiting space including a front boarding space acting as a ride-in space of the front boarding section and a rear boarding space acting as a ride-in space of the rear boarding section, and a loading platform mounted rearward of the vehicle body. The ROPS includes a plurality of posts and an upper frame supported to the posts and delimiting upper space of the front boarding space and the rear boarding space. The loading platform is switchable between a first position in which a front end of the loading platform is positioned rearward of the rear boarding space and a second position in which the front end of the loading platform enters the rear boarding space.
    Type: Application
    Filed: March 5, 2014
    Publication date: March 26, 2015
    Applicant: Kubota Corporation
    Inventor: Yoshimi Hirooka
  • Patent number: 8960805
    Abstract: A work vehicle includes a vehicle body, a seat section including a forward driver's seat and a rear seat, a rear seat posture changing mechanism for changing the rear seat in its position between a first posture where the rear seat is in a non-use condition and a second posture where the rear seat is in a use condition, a load-carrying platform disposed rearwardly of the seat section, and a partitioning member for partitioning the seat section from a space behind the seat section. The load-carrying platform includes a forward platform and a rearward platform and is switchable in its state between an extended state where a fore/aft length of the load-carrying platform is increased after the forward platform is moved forward, and a contracted state where the fore/aft length of the load-carrying platform is decreased after the forward platform is moved rearward.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: February 24, 2015
    Assignee: Kubota Corporation
    Inventors: Norimi Nakamura, Teruo Shimamura, Taro Nakamura, Mitsugu Kobayashi, Ryouzou Imanishi, Yoshimi Hirooka, Koji Fujiwara
  • Publication number: 20140034409
    Abstract: A work vehicle includes a vehicle body, a seat section and a load-carrying platform disposed rearwardly of the seat section. A storage space is disposed rearwardly of the seat section and downwardly of the load-carrying platform, the storage space extending in a lateral width direction of the vehicle body, and the storage space opening toward a lateral side of the vehicle body.
    Type: Application
    Filed: September 16, 2013
    Publication date: February 6, 2014
    Applicant: Kubota Corporation
    Inventors: Norimi Nakamura, Teruo Shimamura, Taro Nakamura, Masaru Nakaji, Mitsugu Kobayashi, Ryouzou Imanishi, Yoshimi Hirooka, Koji Fujiwara
  • Publication number: 20130241228
    Abstract: A work vehicle includes a vehicle body, a seat section including a forward driver's seat and a rear seat, a rear seat posture changing mechanism for changing the rear seat in its position between a first posture where the rear seat is in a non-use condition and a second posture where the rear seat is in a use condition, a load-carrying platform disposed rearwardly of the seat section, and a partitioning member for partitioning the seat section from a space behind the seat section. The load-carrying platform includes a forward platform and a rearward platform and is switchable in its state between an extended state where a fore/aft length of the load-carrying platform is increased after the forward platform is moved forward, and a contracted state where the fore/aft length of the load-carrying platform is decreased after the forward platform is moved rearward.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 19, 2013
    Applicant: Kubota Corporation
    Inventors: Norimi Nakamura, Teruo Shimamura, Taro Nakamura, Mitsugu Kobayashi, Ryouzou Imanishi, Yoshimi Hirooka, Koji Fujiwara
  • Patent number: 8499870
    Abstract: A work vehicle includes: a seat disposed between front wheels and rear wheels; an engine disposed between the right and left rear wheels rearward of the seat; a battery disposed in a container space positioned downward of the seat disposed frontward of the rear wheels; an air cleaner disposed in the container space and arranged proximally to the battery in a vehicle longitudinal direction; and an opening-closing lid unit for covering the air cleaner and the battery from outside in a vehicle transverse direction. An element of the air cleaner is disposed in the air cleaner so that the element is insertable and removable in the vehicle transverse direction, and a position of the air cleaner is set so that the element is accessible from outside the vehicle body.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: August 6, 2013
    Assignee: Kubota Corporation
    Inventors: Taro Nakamura, Ryouzou Imanishi, Yoshimi Hirooka, Norimi Nakamura, Tatsuya Nose, Kazuyoshi Kawamoto
  • Patent number: 8414082
    Abstract: A work vehicle includes a vehicle body frame extending in the fore/aft direction, the vehicle body frame including a front frame and a rear frame disposed rearwardly of the front frame, a passenger's section provided on the vehicle body frame, a driver's seat disposed on the front side of the passenger's section, and a drive unit including an engine, the drive unit being disposed downwardly of the rear frame. A rear portion of a rear seat disposing space provided rearwardly of the driver's seat is overlapped with an upper side of the rear frame. A rear seat disposed in the rear seat disposing space is selectable in its posture between a first posture where the upper side of the rear frame is opened up to allow visual inspection of the drive unit and a second posture where the rear seat is positioned on the upper side of the rear frame to cover the drive unit.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: April 9, 2013
    Assignee: Kubota Corporation
    Inventors: Norimi Nakamura, Ryouzou Imanishi, Koji Fujiwara, Mitsugu Kobayashi, Yoshimi Hirooka, Taro Nakamura, Teruo Shimamura
  • Patent number: 8376441
    Abstract: A pick-up style work vehicle includes a rollover protection structure (ROPS), a seat section including a forward driver's seat and a rear seat, and a rear seat posture changing mechanism for changing the rear seat in its position between a first posture where the rear seat is in a non-use condition and a second posture where the rear seat is in a use condition. A fore/aft length of the rear seat in the first posture is shorter than the fore/aft length of the rear seat in the second posture. The work vehicle also includes a partitioning member for partitioning the seat section from a space behind the seat section with the partitioning member being supported by the ROPS. The partitioning member is movable with being supported by the ROPS between a rearwardly displaced position immediately behind the rear seat and a forwardly displaced position moved forward from the rearwardly displaced position.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: February 19, 2013
    Assignee: Kubota Corporation
    Inventors: Norimi Nakamura, Ryouzou Imanishi, Koji Fujiwara, Mitsugu Kobayashi, Yoshimi Hirooka, Taro Nakamura, Teruo Shimamura
  • Publication number: 20120056411
    Abstract: A pick-up style work vehicle includes a rollover protection structure (ROPS), a seat section including a forward driver's seat and a rear seat, and a rear seat posture changing mechanism for changing the rear seat in its position between a first posture where the rear seat is in a non-use condition and a second posture where the rear seat is in a use condition. A fore/aft length of the rear seat in the first posture is shorter than the fore/aft length of the rear seat in the second posture. The work vehicle also includes a partitioning member for partitioning the seat section from a space behind the seat section with the partitioning member being supported by the ROPS. The partitioning member is movable with being supported by the ROPS between a rearwardly displaced position immediately behind the rear seat and a forwardly displaced position moved forward from the rearwardly displaced position.
    Type: Application
    Filed: November 15, 2011
    Publication date: March 8, 2012
    Applicant: KUBOTA CORPORATION
    Inventors: Norimi NAKAMURA, Ryouzou IMANISHI, Koji FUJIWARA, Mitsugu KOBAYASHI, Yoshimi HIROOKA, Taro NAKAMURA, Teruo SHIMAMURA
  • Patent number: D764349
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: August 23, 2016
    Assignee: Kubota Corporation
    Inventors: Takashi Kuramoto, Yoshimi Hirooka, Kohta Nakao
  • Patent number: D778784
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: February 14, 2017
    Assignee: Kubota Corporation
    Inventor: Yoshimi Hirooka