Patents by Inventor Yuta KOMATSU
Yuta KOMATSU 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: 20240051300Abstract: A liquid discharge apparatus includes a cap configured to form a capping space by contacting a liquid discharge portion, a moisturizing liquid accommodating portion configured to accommodate a moisturizing liquid that moisturizes the cap, an accommodating body mounting portion to which an accommodating body that accommodates a concentration adjusting liquid is detachably mounted, the adjusting liquid being for adjusting a liquid amount of the moisturizing liquid accommodated in the moisturizing liquid accommodating portion, a replacement detecting portion, and a control portion that controls maintenance related to the moisturizing liquid, in which when the replacement detecting portion detects replacement of the accommodating body, the control portion restricts the maintenance related to the moisturizing liquid until a predetermined time elapses after the replacement of the accommodating body is detected.Type: ApplicationFiled: August 9, 2023Publication date: February 15, 2024Inventors: Yuta KOMATSU, Takeo SEINO
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Publication number: 20240025182Abstract: A liquid ejection apparatus includes a first storage portion capable of storing a liquid supplied from a liquid container, a first open-to-atmosphere channel configured to open the inside of the first storage portion to the atmosphere, a second storage portion capable of storing the liquid supplied from the first storage portion, and a second open-to-atmosphere channel configured to open the inside of the second storage portion to the atmosphere. The liquid ejection apparatus is configured to select either a normal mode or a transport mode. The normal mode is a mode in which the power is switched off with the first open-to-atmosphere channel open and the second open-to-atmosphere channel open. The transport mode is a mode in which the power is switched off with the first open-to-atmosphere channel open and the second open-to-atmosphere channel closed.Type: ApplicationFiled: July 24, 2023Publication date: January 25, 2024Inventors: Nanami HAGA, Hiromichi TAKANASHI, Kenji TSUKADA, Yuta KOMATSU
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Patent number: 11845282Abstract: A liquid accommodating body is detachably mounted on a mounting portion having a waste liquid flow-out portion for discharging a waste liquid, and a liquid flow-in portion. The liquid accommodating body includes a waste liquid flow-in portion that is coupled to the waste liquid flow-out portion when the liquid accommodating body is mounted on the mounting portion, and a waste liquid accommodating portion configured to accommodate the waste liquid discharged from the waste liquid flow-out portion. Further, the liquid accommodating body includes a liquid flow-out portion that is coupled to the liquid flow-in portion when the liquid accommodating body is mounted on the mounting portion, and an adjusting water accommodating portion configured to accommodate adjusting water.Type: GrantFiled: February 8, 2022Date of Patent: December 19, 2023Assignee: Seiko Epson CorporationInventor: Yuta Komatsu
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Patent number: 11813880Abstract: A liquid ejection apparatus includes a liquid ejection head that is detachably attached and ejects a liquid, and a control section that is configured to transmit a delivery request for a new liquid ejection head to a server apparatus via a network.Type: GrantFiled: December 28, 2022Date of Patent: November 14, 2023Assignee: Seiko Epson CorporationInventors: Hiroyuki Nakamura, Izumi Nozawa, Yuta Komatsu
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Patent number: 11679596Abstract: A recording apparatus including a recording unit that performs recording by discharging a liquid on a medium transported in a transport direction, a liquid storage portion that is disposed on an apparatus front side in an apparatus depth direction and that includes a liquid container that contains the liquid discharged from the recording unit, and a maintenance unit that performs maintenance on the recording unit. In the recording apparatus, the maintenance unit is provided in an end portion area on a first direction side in a width direction, the width direction being a direction intersecting the depth direction, and the liquid storage portion is provided in an end portion area on a second direction side, the second direction side being a side opposite the first direction side in the width direction, the liquid storage portion extending in the depth direction to an occupying area of the maintenance unit.Type: GrantFiled: December 14, 2021Date of Patent: June 20, 2023Assignee: Seiko Epson CorporationInventors: Shintaro Komuro, Nobuhiko Shinozaki, Yuta Komatsu
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Patent number: 11664520Abstract: A fuel cell assembly is mounted on a vehicle via a mounting portion. The fuel cell assembly includes a first fuel cell unit, a first frame portion on which the first fuel cell unit is mounted and fixed, a second fuel cell unit, a second frame portion on which the second fuel cell unit is mounted and fixed, and a connecting portion that connects the first frame portion and the second frame portion such that the second fuel cell unit is located above the first fuel cell unit.Type: GrantFiled: February 12, 2021Date of Patent: May 30, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, HINO MOTORS, LTD.Inventors: Yasuhiko Ohhashi, Hiroshi Yamagata, Yuta Komatsu, Kohei Hamano
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Publication number: 20230142116Abstract: A liquid ejection apparatus includes a liquid ejection head that is detachably attached and ejects a liquid, and a control section that is configured to transmit a delivery request for a new liquid ejection head to a server apparatus via a network.Type: ApplicationFiled: December 28, 2022Publication date: May 11, 2023Inventors: Hiroyuki NAKAMURA, Izumi NOZAWA, Yuta KOMATSU
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Publication number: 20230117107Abstract: A tank unit includes a first inlet portion via which liquid supplied from a liquid container flows in, a first chamber configured to store the liquid that flows in via the first inlet portion, a first opening-to-atmosphere portion configured to open an inside of the first chamber to atmosphere, an outlet flow passage to which one end is connected to the first chamber, a second chamber connected to the other end of the outlet flow passage and configured to store the liquid supplied from the first chamber, a second opening-to-atmosphere portion configured to open an inside of the second chamber to atmosphere, and an on-off valve configured to open and close the outlet flow passage. The first inlet portion is connected to the first chamber via an opening portion at some midpoint in a vertical direction of the first chamber.Type: ApplicationFiled: October 12, 2022Publication date: April 20, 2023Inventors: Nanami HAGA, Yuta KOMATSU, Akihiko MARUYAMA
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Patent number: 11560004Abstract: A liquid ejection apparatus includes a liquid ejection head that is detachably attached and ejects a liquid, and a control section that is configured to transmit a delivery request for a new liquid ejection head to a server apparatus via a network.Type: GrantFiled: May 10, 2021Date of Patent: January 24, 2023Assignee: Seiko Epson CorporationInventors: Hiroyuki Nakamura, Izumi Nozawa, Yuta Komatsu
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Publication number: 20220250385Abstract: A liquid accommodating body is detachably mounted on a mounting portion having a waste liquid flow-out portion for discharging a waste liquid, and a liquid flow-in portion. The liquid accommodating body includes a waste liquid flow-in portion that is coupled to the waste liquid flow-out portion when the liquid accommodating body is mounted on the mounting portion, and a waste liquid accommodating portion configured to accommodate the waste liquid discharged from the waste liquid flow-out portion. Further, the liquid accommodating body includes a liquid flow-out portion that is coupled to the liquid flow-in portion when the liquid accommodating body is mounted on the mounting portion, and an adjusting water accommodating portion configured to accommodate adjusting water.Type: ApplicationFiled: February 8, 2022Publication date: August 11, 2022Inventor: Yuta KOMATSU
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Patent number: 11325389Abstract: A liquid ejecting apparatus including a liquid ejecting head that ejects a liquid, a liquid storage portion that stores the liquid, a supply flow path that communicates the liquid ejecting head and the liquid storage portion with each other, and an air chamber that is coupled to the supply flow path through a plurality of flow paths. The supply flow path includes a filter. The plurality of flow paths are, in the supply flow path, connected upstream of the filter, and the air chamber is positioned at a position higher than the filter when in a posture during use.Type: GrantFiled: August 26, 2020Date of Patent: May 10, 2022Assignee: Seiko Epson CorporationInventors: Takashi Koase, Yuta Komatsu
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Publication number: 20220097397Abstract: A recording apparatus including a recording unit that performs recording by discharging a liquid on a medium transported in a transport direction, a liquid storage portion that is disposed on an apparatus front side in an apparatus depth direction and that includes a liquid container that contains the liquid discharged from the recording unit, and a maintenance unit that performs maintenance on the recording unit. In the recording apparatus, the maintenance unit is provided in an end portion area on a first direction side in a width direction, the width direction being a direction intersecting the depth direction, and the liquid storage portion is provided in an end portion area on a second direction side, the second direction side being a side opposite the first direction side in the width direction, the liquid storage portion extending in the depth direction to an occupying area of the maintenance unit.Type: ApplicationFiled: December 14, 2021Publication date: March 31, 2022Inventors: Shintaro KOMURO, Nobuhiko SHINOZAKI, Yuta KOMATSU
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Patent number: 11254137Abstract: A recording apparatus including a recording unit that performs recording by discharging a liquid on a medium transported in a transport direction, a liquid storage portion that is disposed on an apparatus front side in an apparatus depth direction and that includes a liquid container that contains the liquid discharged from the recording unit, and a maintenance unit that performs maintenance on the recording unit. In the recording apparatus, the maintenance unit is provided in an end portion area on a first direction side in a width direction, the width direction being a direction intersecting the depth direction, and the liquid storage portion is provided in an end portion area on a second direction side, the second direction side being a side opposite the first direction side in the width direction, the liquid storage portion extending in the depth direction to an occupying area of the maintenance unit.Type: GrantFiled: December 18, 2019Date of Patent: February 22, 2022Assignee: Seiko Epson CorporationInventors: Shintaro Komuro, Nobuhiko Shinozaki, Yuta Komatsu
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Publication number: 20210354488Abstract: A liquid ejection apparatus includes a liquid ejection head that is detachably attached and ejects a liquid, and a control section that is configured to transmit a delivery request for a new liquid ejection head to a server apparatus via a network.Type: ApplicationFiled: May 10, 2021Publication date: November 18, 2021Inventors: Hiroyuki NAKAMURA, Izumi NOZAWA, Yuta KOMATSU
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Publication number: 20210257647Abstract: A fuel cell assembly is mounted on a vehicle via a mounting portion. The fuel cell assembly includes a first fuel cell unit, a first frame portion on which the first fuel cell unit is mounted and fixed, a second fuel cell unit, a second frame portion on which the second fuel cell unit is mounted and fixed, and a connecting portion that connects the first frame portion and the second frame portion such that the second fuel cell unit is located above the first fuel cell unit.Type: ApplicationFiled: February 12, 2021Publication date: August 19, 2021Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, HINO MOTORS, LTD.Inventors: Yasuhiko OHHASHI, Hiroshi YAMAGATA, Yuta KOMATSU, Kohei HAMANO
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Patent number: 11025165Abstract: With respect to a failure in voltage sensors each for detecting a high-voltage-side voltage in a DC/DC converter, it is so arranged that a circuit failure of the DC/DC converter is prevented, and that the DC/DC converter is continuingly controlled. Two voltage sensors are included therein each for detecting a high-voltage-side voltage, so that, even when a first voltage sensor for detecting a high-voltage-side voltage on one side fails to work properly, a control device turns on a second switching device, and detects a voltage by a second voltage sensor for detecting the high-voltage-side voltage on the other side, whereby a failure of the voltage sensor for detecting the high-voltage-side voltage is detected.Type: GrantFiled: June 9, 2017Date of Patent: June 1, 2021Assignee: Mitsubishi Electric CorporationInventors: Kazushi Maeda, Masaki Sawamura, Hiroaki Tanihara, Nobuhiro Kihara, Yuta Komatsu, Takashi Kaneyama
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Publication number: 20210060966Abstract: A liquid ejecting apparatus including a liquid ejecting head that ejects a liquid, a liquid storage portion that stores the liquid, a supply flow path that communicates the liquid ejecting head and the liquid storage portion with each other, and an air chamber that is coupled to the supply flow path through a plurality of flow paths. The supply flow path includes a filter. The plurality of flow paths are, in the supply flow path, connected upstream of the filter, and the air chamber is positioned at a position higher than the filter when in a posture during use.Type: ApplicationFiled: August 26, 2020Publication date: March 4, 2021Inventors: Takashi KOASE, Yuta KOMATSU
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Patent number: 10910950Abstract: A power conversion device including an intermediate capacitor that carries out a charging and discharging operation and a voltage sensor that detects a voltage of the intermediate capacitor, and including a current sensor that detects a current flowing in a reactor, and an abnormality determining unit that determines that there is an abnormality of the voltage sensor using a current value calculated based on a detected value from the current sensor, wherein a gain error, an offset error, and a sticking error of the voltage sensor can be detected.Type: GrantFiled: May 8, 2017Date of Patent: February 2, 2021Assignee: Mitsubishi Electric CorporationInventors: Nobuhiro Kihara, Yuta Komatsu, Takashi Kaneyama, Masaki Sawamura, Noriyuki Wada, Yuya Tanaka
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Patent number: 10696058Abstract: A liquid supply device includes a first shell having a liquid storage chamber configured to store liquid and a liquid inlet portion through which the liquid is poured to the liquid storage chamber, a second shell that is a different member from the first shell, a holding member for holding a mutual positional relationship between the first shell and the second shell to be constant, and an atmospheric communication channel that makes outside and the liquid storage chamber communicate with each other.Type: GrantFiled: February 23, 2017Date of Patent: June 30, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Shoma Kudo, Naomi Kimura, Yusuke Hirasawa, Yuta Komatsu
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Publication number: 20200198356Abstract: A recording apparatus including a recording unit that performs recording by discharging a liquid on a medium transported in a transport direction, a liquid storage portion that is disposed on an apparatus front side in an apparatus depth direction and that includes a liquid container that contains the liquid discharged from the recording unit, and a maintenance unit that performs maintenance on the recording unit. In the recording apparatus, the maintenance unit is provided in an end portion area on a first direction side in a width direction, the width direction being a direction intersecting the depth direction, and the liquid storage portion is provided in an end portion area on a second direction side, the second direction side being a side opposite the first direction side in the width direction, the liquid storage portion extending in the depth direction to an occupying area of the maintenance unit.Type: ApplicationFiled: December 18, 2019Publication date: June 25, 2020Inventors: Shintaro KOMURO, Nobuhiko SHINOZAKI, Yuta KOMATSU