Patents by Inventor Masamichi Miyazaki
Masamichi Miyazaki 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: 11739498Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.Type: GrantFiled: April 13, 2021Date of Patent: August 29, 2023Assignee: KOMATSU LTD.Inventors: Masashi Hoshino, Atsushi Karami, Hirofumi Kotaki, Shinji Hirose, Masamichi Miyazaki
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Publication number: 20210230835Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.Type: ApplicationFiled: April 13, 2021Publication date: July 29, 2021Applicant: KOMATSU LTD.Inventors: Masashi HOSHINO, Atsushi KARAMI, Hirofumi KOTAKI, Shinji HIROSE, Masamichi MIYAZAKI
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Patent number: 11008731Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.Type: GrantFiled: March 31, 2017Date of Patent: May 18, 2021Assignee: KOMATSU LTD.Inventors: Masashi Hoshino, Atsushi Karami, Hirofumi Kotaki, Shinji Hirose, Masamichi Miyazaki
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Patent number: 11001987Abstract: A cab is used in a work machine. The cab includes a first pillar, a second pillar disposed to a rear of the first pillar, a beam disposed between the first pillar and the second pillar, and a reinforcing member provided to the beam.Type: GrantFiled: October 2, 2019Date of Patent: May 11, 2021Assignee: KOMATSU LTD.Inventors: Hironori Yamamitsu, Naozumi Okura, Masamichi Miyazaki, Takashi Tsukamoto
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Publication number: 20200109537Abstract: A cab is used in a work machine. The cab includes a first pillar, a second pillar disposed to a rear of the first pillar, a beam disposed between the first pillar and the second pillar, and a reinforcing member provided to the beam.Type: ApplicationFiled: October 2, 2019Publication date: April 9, 2020Inventors: Hironori YAMAMITSU, Naozumi OKURA, Masamichi MIYAZAKI, Takashi TSUKAMOTO
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Publication number: 20200032479Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.Type: ApplicationFiled: March 31, 2017Publication date: January 30, 2020Applicant: KOMATSU LTD.Inventors: Masashi HOSHINO, Atsushi KARAMI, Hirofumi KOTAKI, Shinji HIROSE, Masamichi MIYAZAKI
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Patent number: 10287749Abstract: A cab includes a dash panel disposed frontward of an operator's seat, and a monitor device disposed above the dash panel. The whole of the monitor device in the right-left direction overlaps a first front window when the monitor device is seen in the front-rear direction. The monitor device is disposed at a position at which the whole of the monitor device overlaps the first front window when the monitor device is seen in the front-rear direction.Type: GrantFiled: February 19, 2016Date of Patent: May 14, 2019Assignee: KOMATSU LTD.Inventors: Jun Matsumoto, Masamichi Miyazaki, Shinji Hirose, Masashi Hoshino
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Publication number: 20180051441Abstract: A cab includes a dash panel disposed frontward of an operator's seat, and a monitor device disposed above the dash panel. The whole of the monitor device in the right-left direction overlaps a first front window when the monitor device is seen in the front-rear direction. The monitor device is disposed at a position at which the whole of the monitor device overlaps the first front window when the monitor device is seen in the front-rear direction.Type: ApplicationFiled: February 19, 2016Publication date: February 22, 2018Inventors: Jun MATSUMOTO, Masamichi MIYAZAKI, Shinji HIROSE, Masashi HOSHINO
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Patent number: 9702113Abstract: A work vehicle has a cab. A protruding portion is located on an upper side of the cab and protrudes rearward relative to a rear portion of the cab. A surveillance camera is arranged on a rear side of the protruding portion. A surveillance camera is arranged above the surveillance camera, and an optical axis is inclined posterosuperiorly relative to an optical axis of the surveillance camera.Type: GrantFiled: April 22, 2015Date of Patent: July 11, 2017Assignee: KOMATSU LTD.Inventors: Hirofumi Kotaki, Masamichi Miyazaki
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Patent number: 9643662Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.Type: GrantFiled: July 20, 2015Date of Patent: May 9, 2017Assignee: KOMATSU LTD.Inventors: Kouji Nagami, Masamichi Miyazaki
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Patent number: 9574325Abstract: A rear portion is arranged in the rear of a front portion, and has a width smaller than a width of the front portion in a plan view. A wall portion extends from the rear portion outward in a width direction toward the front portion and includes two walls opposed to each other in a fore/aft direction with a gap lying therebetween, in a plan view. Electric components are arranged in the gap and project into an indoor space of a cab from the gap through a through hole formed in the front wall. In a plan view, a foremost portion of the electric components is located in the rear of a foremost normal located foremost among normals to a line connecting a front end and a rear end of a doorway, which intersect with the front wall.Type: GrantFiled: March 16, 2015Date of Patent: February 21, 2017Assignee: KOMATSU LTD.Inventors: Takeshi Ikeda, Masamichi Miyazaki, Akihiro Miyachi
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Publication number: 20160312438Abstract: A work vehicle has a cab. A protruding portion is located on an upper side of the cab and protrudes rearward relative to a rear portion of the cab. A surveillance camera is arranged on a rear side of the protruding portion. A surveillance camera is arranged above the surveillance camera, and an optical axis is inclined posterosuperiorly relative to an optical axis of the surveillance camera.Type: ApplicationFiled: April 22, 2015Publication date: October 27, 2016Inventors: Hirofumi KOTAKI, Masamichi MIYAZAKI
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Publication number: 20160305091Abstract: A rear portion is arranged in the rear of a front portion, and has a width smaller than a width of the front portion in a plan view. A wall portion extends from the rear portion outward in a width direction toward the front portion and includes two walls opposed to each other in a fore/aft direction with a gap lying therebetween, in a plan view. Electric components are arranged in the gap and project into an indoor space of a cab from the gap through a through hole formed in the front wall. In a plan view, a foremost portion of the electric components is located in the rear of a foremost normal located foremost among normals to a line connecting a front end and a rear end of a doorway, which intersect with the front wall.Type: ApplicationFiled: March 16, 2015Publication date: October 20, 2016Applicant: KOMATSU LTD.Inventors: Takeshi IKEDA, Masamichi MIYAZAKI, Akihiro MIYACHI
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Publication number: 20150321705Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.Type: ApplicationFiled: July 20, 2015Publication date: November 12, 2015Inventors: Kouji NAGAMI, Masamichi MIYAZAKI
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Patent number: 9139979Abstract: An engine (32) is attached to a vehicle frame (31) on a front end side relative to a cab (1). An engine cooling module (33) serves for cooling the engine (32) and it is attached to the vehicle frame (31) at a rear end. In a top plan view, the cab (1) has a projection portion projecting outward from the vehicle frame (31). The cab (1) has a through hole (12a to 12c) opening into an outdoor space of the cab (1) and an opening (3b) communicating with the through hole (12a to 12c) and opening into an indoor space (10), and the through hole (12a to 12c) opens in a lower surface of the projection portion. Thus, a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator is obtained.Type: GrantFiled: June 14, 2012Date of Patent: September 22, 2015Assignee: KOMATSU LTD.Inventors: Kouji Nagami, Masamichi Miyazaki
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Patent number: 9126643Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.Type: GrantFiled: June 14, 2012Date of Patent: September 8, 2015Assignee: KOMATSU LTD.Inventors: Kouji Nagami, Masamichi Miyazaki
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Publication number: 20150000996Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.Type: ApplicationFiled: June 14, 2012Publication date: January 1, 2015Applicant: KOMATSU LTD.Inventors: Kouji Nagami, Masamichi Miyazaki
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Publication number: 20140374186Abstract: An engine (32) is attached to a vehicle frame (31) on a front end side relative to a cab (1). An engine cooling module (33) serves for cooling the engine (32) and it is attached to the vehicle frame (31) at a rear end. In a top plan view, the cab (1) has a projection portion projecting outward from the vehicle frame (31). The cab (1) has a through hole (12a to 12c) opening into an outdoor space of the cab (1) and an opening (3b) communicating with the through hole (12a to 12c) and opening into an indoor space (10), and the through hole (12a to 12c) opens in a lower surface of the projection portion. Thus, a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator is obtained.Type: ApplicationFiled: June 14, 2012Publication date: December 25, 2014Applicant: KOMATSU LTD.Inventors: Kouji Nagami, Masamichi Miyazaki
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Publication number: 20140252803Abstract: Provided is a work vehicle in which a positioning antenna can be installed above a roof plate of a cab at an accurate position and in a proper attitude while preventing a positioning accuracy from being decreased by vibrations. The work vehicle includes a first mount member, a second mount member and a positioning antenna. The first mount member includes a left-side member fixed on the roof beam at the left side and a right-side member fixed on the roof beam at the right side. The second mount member is disposed above the roof plate across the left-side member and the right-side member. The positioning antenna is mounted on the second mount member.Type: ApplicationFiled: March 8, 2013Publication date: September 11, 2014Inventors: Jun Matsumoto, Masamichi Miyazaki, Masaru Satou, Kouji Nagami, Takeshi Ikeda, Hitoshi Katayanagi, Osamu Kuroyanagi, Takahiro Shimojo
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Patent number: 8528965Abstract: The operator's cab 8 is provided with a floor frame 10 having an opening for maintenance 20 located at a floor base 10a and a lid body 23 for closing the opening for maintenance 20. The lid body 23 includes an upper inspection cover 22 and a lower inspection cover 21 which are aligned in a vertical direction with spacing so as to be attachable and detachable relative to the opening for maintenance 20. Disposed in a space between the upper inspection cover 22 and the lower inspection cover 21 is a floor duct 30 that can be disassembled and is provided for circulating supply air sent from an air conditioner 27.Type: GrantFiled: May 26, 2010Date of Patent: September 10, 2013Assignee: Komatsu Ltd.Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Shinji Hirose