Patents by Inventor Makoto Yomogita
Makoto Yomogita 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: 9399854Abstract: A work vehicle cab includes a floor, a ceiling, a left supporting member, a right supporting member, a front panel, a front panel reinforcement member, a front-left pillar, and a front-right pillar. The ceiling is arranged above the floor. The left supporting member extends upward from the front section of the floor. The right supporting member extends upward from the front section of the floor. The front panel is arranged between the left supporting member and the right supporting member. The front panel reinforcement member, arranged above the front panel, extends in a left-right direction and connects the left supporting member and the right supporting member. The front-left pillar extends from the front section of the ceiling to the front panel reinforcement member. The front-right pillar extends from the front section of the ceiling to the front panel reinforcement member.Type: GrantFiled: March 28, 2014Date of Patent: July 26, 2016Assignee: KOMATSU LTD.Inventors: Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Junichi Suneya, Takanori Yamahata
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Patent number: 9193395Abstract: A cab body has a panel section. The panel section includes a concave section that is recessed upward. A floor frame includes a convex section and supports the cab body. The convex section has a shape that protrudes facing upward and is arranged to protrude from the concave section. A seal member seals a gap between the concave section and the convex section. The seal member has a first contact surface, a second contact surface, and an inclined surface. The first contact surface contacts the convex section. The second contact surface contacts the panel section. The inclined surface is inclined with regard to the first contact surface and the second contact surface. A bracket has an attachment section and a pressing surface. The attachment section is attached to the panel section. The pressing surface presses the inclined surface.Type: GrantFiled: March 28, 2014Date of Patent: November 24, 2015Assignee: KOMATSU LTD.Inventors: Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Junichi Suneya, Takanori Yamahata
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Publication number: 20150298748Abstract: A cab body has a panel section. The panel section includes a concave section which that is recessed upward. A floor frame includes a convex section and supports the cab body. The convex section has a shape that protrudes facing upward and is arranged to protrude from the concave section. A seal member seals a gap between the concave section and the convex section. The seal member has a first contact surface, a second contact surface, and an inclined surface. The first contact surface contacts the convex section. The second contact surface contacts the panel section. The inclined surface is inclined with regard to the first contact surface and the second contact surface. A bracket has an attachment section and a pressing surface. The attachment section is attached to the panel section. The pressing surface presses the inclined surface.Type: ApplicationFiled: March 28, 2014Publication date: October 22, 2015Applicant: KOMATSU LTDInventors: Masato KITASHOU, Makoto YOMOGITA, Naoki KIMURA, Masahiko HAMAGUCHI, Junichi SUNEYA, Takanori YAMAHATA
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Publication number: 20150275479Abstract: A work vehicle cab includes a floor, a ceiling, a left supporting member, a right supporting member, a front panel, a front panel reinforcement member, a front-left pillar, and a front-right pillar. The ceiling is arranged above the floor. The left supporting member extends upward from the front section of the floor. The right supporting member extends upward from the front section of the floor. The front panel is arranged between the left supporting member and the right supporting member. The front panel reinforcement member, arranged above the front panel, extends in a left-right direction and connects the left supporting member and the right supporting member. The front-left pillar extends from the front section of the ceiling to the front panel reinforcement member. The front-right pillar extends from the front section of the ceiling to the front panel reinforcement member.Type: ApplicationFiled: March 28, 2014Publication date: October 1, 2015Inventors: Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Junichi Suneya, Takanori Yamahata
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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
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Patent number: 8342597Abstract: A work vehicle includes a cab, an air conditioner casing, an air conditioner unit and a rear monitoring camera. The air conditioner casing is attached to a rear upper part of the cab and includes a downwardly opened recess on a bottom face thereof. The air conditioner unit is accommodated in the air conditioner casing. The rear monitoring camera includes a main body accommodated in the recess of the air conditioner casing.Type: GrantFiled: August 11, 2011Date of Patent: January 1, 2013Assignee: Komatsu Ltd.Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Jun Matsumoto
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Publication number: 20120146361Abstract: A work vehicle includes a cab, an air conditioner casing, an air conditioner unit and a rear monitoring camera. The air conditioner casing is attached to a rear upper part of the cab and includes a downwardly opened recess on a bottom face thereof. The air conditioner unit is accommodated in the air conditioner casing. The rear monitoring camera includes a main body accommodated in the recess of the air conditioner casing.Type: ApplicationFiled: August 11, 2011Publication date: June 14, 2012Applicant: KOMATSU LTD.Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Jun Matsumoto
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Publication number: 20120086236Abstract: An operator's cab for a work vehicle is disclosed, which is capable of providing sound insulation properties without spoiling ease of maintenance while ensuring the thermal insulation properties of an air-conditioning duct. 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: ApplicationFiled: May 26, 2010Publication date: April 12, 2012Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Shinji Hirose
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Patent number: 8152225Abstract: A roof panel of a cab installed on a work vehicle includes a planar portion and a plurality of bent portions. The planar portion serves as the roof surface of the work vehicle cab. The bent portions are formed on the outer periphery of the planar portion. The bent portions are bent at a predetermined angle with respect to the planar portion toward an external side of the roof surface of the work vehicle cab.Type: GrantFiled: March 6, 2008Date of Patent: April 10, 2012Assignee: Komatsu Ltd.Inventors: Takeshi Kamimae, Makoto Yomogita
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Patent number: 8070334Abstract: The work machine has an operator's cab, an engine hood, an exhaust pipe, a first headlight, and a second headlight. The engine hood is disposed in front of the operator's cab. The exhaust pipe projects upwards from the engine hood. The first headlight and the second headlight are provided at a front part of the operator's cab spaced in a lateral direction and disposed so that optical axes of the first and second headlights are mutually intersect but not to overlap with the exhaust pipe when viewed in a top plan view.Type: GrantFiled: January 10, 2007Date of Patent: December 6, 2011Assignee: Komatsu Ltd.Inventors: Makoto Yomogita, Masamichi Miyazaki, Keita Muto, Koji Nagami
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Publication number: 20100320804Abstract: A roof panel of a cab installed on a work vehicle includes a planar portion and a plurality of bent portions. The planar portion serves as the roof surface of the work vehicle cab. The bent portions are formed on the outer periphery of the planar portion. The bent portions are bent at a predetermined angle with respect to the planar portion toward an external side of the roof surface of the work vehicle cab.Type: ApplicationFiled: March 6, 2008Publication date: December 23, 2010Applicant: KOMATSU LTD.Inventors: Takeshi Kamimae, Makoto Yomogita
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Publication number: 20090244920Abstract: The work machine has an operator's cab, an engine hood, an exhaust pipe, a first headlight, and a second headlight. The engine hood is disposed in front of the operator's cab. The exhaust pipe projects upwards from the engine hood. The first headlight and the second headlight are provided at a front part of the operator's cab spaced in a lateral direction and disposed so that optical axes of the first and second headlights are mutually intersect but not to overlap with the exhaust pipe when viewed in a top plan view.Type: ApplicationFiled: January 10, 2007Publication date: October 1, 2009Applicant: KOMATSU LTD.Inventors: Makoto Yomogita, Masamichi Miyazaki, Keita Muto, Koji Nagami
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Patent number: 5529134Abstract: According to the present invention, front visibility is improved, entry into a cab or exit therefrom by an operator is facilitated, fine operability by a traveling pedal is improved, and foot fatigue is decreased. To achieve this, when the palm rest (56) is detected in its neutral position N, forward or rearward speed signals for respective traveling hydraulic motors in response to detection signals of control input detectors (19a, 20a) of left and right traveling knobs (19, 20) are outputted to respective control valves from a controller (15).Type: GrantFiled: March 16, 1995Date of Patent: June 25, 1996Assignee: Kabushiki Kaisha Komatsu SeisakushoInventor: Makoto Yomogita
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Patent number: D538303Type: GrantFiled: December 22, 2005Date of Patent: March 13, 2007Assignee: Komatsu Ltd.Inventors: Tomoya Kumagai, Kazumasa Fukazawa, Makoto Yomogita, Masayuki Mukaino, David Andrews
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Patent number: D543557Type: GrantFiled: January 4, 2006Date of Patent: May 29, 2007Assignee: Komatsu Ltd.Inventors: Tomoya Kumagai, Yuuichi Matsuo, Makoto Yomogita, Mitsutaka Nakamura
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Patent number: D551683Type: GrantFiled: November 9, 2006Date of Patent: September 25, 2007Assignee: Komatsu Ltd.Inventors: Tomoya Kumagai, Yuuichi Matsuo, Makoto Yomogita, Mitsutaka Nakamura
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Patent number: D552629Type: GrantFiled: October 4, 2006Date of Patent: October 9, 2007Assignee: Komatsu Ltd.Inventors: Tomoya Kumagai, Kazumasa Fukazawa, Makoto Yomogita, Masayuki Mukaino, David Andrews