Patents by Inventor Hironobu NOGAMI
Hironobu NOGAMI 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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Publication number: 20240359549Abstract: An electric work vehicle includes a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventors: Norita TOTTORI, Hironobu NOGAMI, Daisuke MIYAZAKI, Renta KASAI, Daisuke NAKAYAMA
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Publication number: 20240295265Abstract: A work vehicle includes a hydrostatic continuously variable transmission to output power, an electric motor to perform shifting, a linkage mechanism to link a shifting shaft of the electric motor with a trunnion shaft of the hydrostatic continuously variable transmission the linkage mechanism, including a first linkage section linked with the shifting shaft, and a second linkage section linked with the trunnion shaft, and a biasing mechanism to press and bias a second gear of the second linkage section that meshes with a first gear of the first linkage section against the first gear such that a tooth flank of the second gear abuts with a tooth flank of the first gear in a rotation direction reverse to a rotation direction of the first gear.Type: ApplicationFiled: May 15, 2024Publication date: September 5, 2024Inventors: Hiroaki NAGAI, Daisuke NAKAYAMA, Hironobu NOGAMI, Ryo MASUDA, Keiji TAKAHASHI, Tatsuya SAKAI
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Patent number: 12070995Abstract: An electric work vehicle includes: a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.Type: GrantFiled: May 27, 2020Date of Patent: August 27, 2024Assignee: KUBOTA CORPORATIONInventors: Norita Tottori, Hironobu Nogami, Daisuke Miyazaki, Renta Kasai, Daisuke Nakayama
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Patent number: 12036856Abstract: An electric work vehicle includes a body frame, a battery above the body frame, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a cooling fan positioned forward of the battery to send cooling air to the battery, wherein the body frame and the battery define a ventilation space therebetween, and the cooling fan extends in an up-down direction of a machine body to face both the battery and the ventilation space.Type: GrantFiled: May 27, 2020Date of Patent: July 16, 2024Assignee: KUBOTA CORPORATIONInventors: Norita Tottori, Hironobu Nogami, Daisuke Nakayama, Daisuke Miyazaki
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Patent number: 11925131Abstract: An electric work vehicle includes a work device, a battery, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a hydraulic pump positioned next to the motor and drivable by the motor to supply operating fluid to an operating mechanism of the work device.Type: GrantFiled: May 27, 2020Date of Patent: March 12, 2024Assignee: KUBOTA CORPORATIONInventors: Daisuke Nakayama, Hironobu Nogami, Norita Tottori, Takefumi Oguri
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Publication number: 20220379703Abstract: An electric work vehicle includes a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.Type: ApplicationFiled: May 27, 2020Publication date: December 1, 2022Inventors: Norita TOTTORI, Hironobu NOGAMI, Daisuke MIYAZAKI, Renta KASAI, Daisuke NAKAYAMA
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Publication number: 20220377959Abstract: An electric work vehicle includes a work device, a battery, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a hydraulic pump positioned next to the motor and drivable by the motor to supply operating fluid to an operating mechanism of the work device.Type: ApplicationFiled: May 27, 2020Publication date: December 1, 2022Inventors: Daisuke NAKAYAMA, Hironobu NOGAMI, Norita TOTTORI, Takefumi OGURI
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Publication number: 20220379704Abstract: An electric work vehicle includes a battery, a motor positioned under the battery and drivable on electric power supplied by the battery, a travel device drivable by the motor, an inverter positioned under the battery and forward of the motor to convert direct-current electric power from the battery into alternating-current electric power and supply the alternating-current electric power to the motor, and a transmission positioned backward of the battery to transmit a driving force of the motor to the travel device, wherein the motor and the inverter are arranged in a front-back direction of a machine body.Type: ApplicationFiled: May 27, 2020Publication date: December 1, 2022Inventors: Norita TOTTORI, Daisuke NAKAYAMA, Hironobu NOGAMI
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Patent number: 11447194Abstract: An operating mechanism of a work vehicle includes: an operating portion that is provided to a side console disposed beside a seat and can be operated by an operator; and a switching portion capable of switching between a used state in which the operating portion can be used and a non-used state in which the operating portion cannot be used.Type: GrantFiled: December 3, 2019Date of Patent: September 20, 2022Assignee: KUBOTA CORPORATIONInventors: Norita Tottori, Hironobu Nogami, Satoru Yamanaka, Tadashi Nakamura, Hideaki Ezaki, Masafumi Oshita
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Publication number: 20220234434Abstract: An electric work vehicle includes a body frame, a battery above the body frame, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a cooling fan positioned forward of the battery to send cooling air to the battery, wherein the body frame and the battery define a ventilation space therebetween, and the cooling fan extends in an up-down direction of a machine body to face both the battery and the ventilation space.Type: ApplicationFiled: May 27, 2020Publication date: July 28, 2022Inventors: Norita TOTTORI, Hironobu NOGAMI, Daisuke NAKAYAMA, Daisuke MIYAZAKI
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Publication number: 20220225556Abstract: A tractor includes: a three-point linkage to which a tiller is mountable a hydraulic lifting/lowering driver to lift and lower the three-point linkage, and a mechanical linkage to transmit a lifting/lowering operation amount of the three-point linkage to the lifting/lowering driver. The mechanical linkage includes a load detector to detect an amount of change in traction load via the three-point linkage, a cable to interlock according to the amount of change in the traction load detected by the load detector, and a mechanical linkage interlocked and connected to the cable and the lifting/lowering driver, the mechanical linkage being capable of transmitting the lifting/lowering operation amount according to the amount of change in the traction load to the lifting/lowering driver.Type: ApplicationFiled: May 29, 2020Publication date: July 21, 2022Inventors: Daisuke NAKAYAMA, Hironobu NOGAMI, Norihide IWATA, Katsumi YANAGIHARA, Naoto MANTOKU, Keita ONO
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Patent number: 11261584Abstract: A work machine includes a transmission case (5) extending in the front-back direction of a machine body, a first hydraulic unit (V) provided on one of mutually opposite wall portions (5a, 5b) of the transmission case (5), a second hydraulic unit (44) provided on a second one of the wall portions (5a, 5b), and a supply passage (43) configured to supply operating oil from the first hydraulic unit (V) to the second hydraulic unit (44). The first hydraulic unit (V) and the second hydraulic unit (44) are aligned to be overlapped with each other as viewed in a direction orthogonal to a case axis (X) extending along the front-back direction of the transmission case (5). The supply passage (43) extends inside the transmission case (5) in a straight line orthogonal to the case axis (X).Type: GrantFiled: November 10, 2020Date of Patent: March 1, 2022Assignee: Kubota CorporationInventors: Daisuke Nakayama, Hironobu Nogami, Norita Tottori, Naoya Okamoto
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Publication number: 20210198870Abstract: A work machine includes a transmission case (5) extending in the front-back direction of a machine body, a first hydraulic unit (V) provided on one of mutually opposite wall portions (5a, 5b) of the transmission case (5), a second hydraulic unit (44) provided on a second one of the wall portions (5a, 5b), and a supply passage (43) configured to supply operating oil from the first hydraulic unit (V) to the second hydraulic unit (44). The first hydraulic unit (V) and the second hydraulic unit (44) are aligned to be overlapped with each other as viewed in a direction orthogonal to a case axis (X) extending along the front-back direction of the transmission case (5). The supply passage (43) extends inside the transmission case (5) in a straight line orthogonal to the case axis (X).Type: ApplicationFiled: November 10, 2020Publication date: July 1, 2021Inventors: Daisuke Nakayama, Hironobu Nogami, Norita Tottori, Naoya Okamoto
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Publication number: 20200198712Abstract: An operating mechanism of a work vehicle includes: an operating portion that is provided to a side console disposed beside a seat and can be operated by an operator; and a switching portion capable of switching between a used state in which the operating portion can be used and a non-used state in which the operating portion cannot be used.Type: ApplicationFiled: December 3, 2019Publication date: June 25, 2020Applicant: Kubota CorporationInventors: Norita TOTTORI, Hironobu NOGAMI, Satoru YAMANAKA, Tadashi NAKAMURA, Hideaki EZAKI, Masafumi OSHITA