Patents by Inventor Yuichi Urabe
Yuichi Urabe 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: 20240120140Abstract: A plurality of through-hole conductors include a first through-hole conductor and a second through-hole conductor between coil conductors adjacent each other. Each of the first through-hole conductor and the second through-hole conductor includes a first end and a second end. The first end included in the second through-hole conductor is coupled to the second end included in the first through-hole conductor, and has a width larger than a width of the second end included in the first through-hole conductor. The first end included in the first through-hole conductor has a width larger than the width of the second end included in the first through-hole conductor. The second end included in the second through-hole conductor has a width smaller than the width of the first end included in the second through-hole conductor.Type: ApplicationFiled: June 15, 2023Publication date: April 11, 2024Applicant: TDK CORPORATIONInventors: Noriaki HAMACHI, Toshinori MATSUURA, Junichiro URABE, Kota OIKAWA, Yuto SHIGA, Youichi KAZUTA, Yuichi TAKUBO, Shunya SUZUKI, Xuran GUO, So KOBAYASHI
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Patent number: 11724513Abstract: A liquid circulation mechanism includes a supply flow path making a liquid supply source and a liquid discharging head communicate with each other and a collection flow path making the liquid discharging head and a connection portion of the supply flow path communicate with each other, in which a branch portion, a plurality of flow paths branched at the branch portion, and a merging portion, in which the plurality of flow paths are merged, are provided in at least one of the supply flow path and the collection flow path. Pressure adjustment portions, which are provided in the plurality of flow paths and open the flow paths when a pressure on the liquid discharging head side is equal to a predetermined pressure, have different the predetermined pressures for opening the flow paths in the plurality of flow paths.Type: GrantFiled: January 26, 2022Date of Patent: August 15, 2023Assignee: Seiko Epson CorporationInventors: Toshio Nakata, Yuichi Urabe, Kazushi Arafuka, Yuki Shiohara, Munechika Otsuru
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Patent number: 11724512Abstract: A liquid circulation mechanism includes a first storage portion configured to store liquid to be supplied to a liquid discharging head, a second storage portion configured to store the liquid collected from the liquid discharging head, a third storage portion configured to store the liquid between the second storage portion and the first storage portion, a first check valve allowing flow of the liquid from the second storage portion to the third storage portion while regulating flow of the liquid from the third storage portion to the second storage portion, in the second collection flow path, and a second check valve allowing flow of the liquid from the third storage portion to the first storage portion while regulating flow of the liquid from the first storage portion to the third storage portion, in the third collection flow path.Type: GrantFiled: January 27, 2022Date of Patent: August 15, 2023Assignee: Seiko Epson CorporationInventors: Toshio Nakata, Yuichi Urabe, Hisashi Sato, Sawako Tsujimura, Shinji Hirata, Yoshiaki Kishii
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Patent number: 11712898Abstract: A liquid ejecting apparatus includes: a head that ejects a liquid; a curing portion that cures the liquid by emitting energy to the liquid; and a waste-liquid collecting portion that collects the liquid as waste liquid, in which the waste-liquid collecting portion includes an absorber that absorbs the liquid from the head, a first rotational shaft that holds an unused portion of the absorber, and a second rotational shaft that holds a used portion of the absorber, and the curing portion emits the energy to the liquid absorbed by the absorber.Type: GrantFiled: February 3, 2022Date of Patent: August 1, 2023Assignee: Seiko Epson CorporationInventors: Hisashi Sato, Kazushi Arafuka, Yuichi Urabe
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Patent number: 11623443Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid from a nozzle onto a medium to perform printing, a liquid accommodating unit configured to receive, via an opening, the liquid ejected by empty discharging that ejects the liquid from the liquid ejecting head separately from the printing, a cover movable to a closed position where the opening of the liquid accommodating unit is covered and an open position where the opening is opened, and a detection unit configured to detect the cover positioned at the closed position or the open position.Type: GrantFiled: June 8, 2021Date of Patent: April 11, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Toshio Nakata, Yuichi Urabe
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Publication number: 20220242135Abstract: A liquid circulation mechanism includes a first storage portion configured to store liquid to be supplied to a liquid discharging head, a second storage portion configured to store the liquid collected from the liquid discharging head, a third storage portion configured to store the liquid between the second storage portion and the first storage portion, a first check valve allowing flow of the liquid from the second storage portion to the third storage portion while regulating flow of the liquid from the third storage portion to the second storage portion, in the second collection flow path, and a second check valve allowing flow of the liquid from the third storage portion to the first storage portion while regulating flow of the liquid from the first storage portion to the third storage portion, in the third collection flow path.Type: ApplicationFiled: January 27, 2022Publication date: August 4, 2022Inventors: Toshio NAKATA, Yuichi URABE, Hisashi SATO, Sawako TSUJIMURA, Shinji HIRATA, Yoshiaki KISHII
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Publication number: 20220242136Abstract: A liquid circulation mechanism includes a supply flow path making a liquid supply source and a liquid discharging head communicate with each other and a collection flow path making the liquid discharging head and a connection portion of the supply flow path communicate with each other, in which a branch portion, a plurality of flow paths branched at the branch portion, and a merging portion, in which the plurality of flow paths are merged, are provided in at least one of the supply flow path and the collection flow path. Pressure adjustment portions, which are provided in the plurality of flow paths and open the flow paths when a pressure on the liquid discharging head side is equal to a predetermined pressure, have different the predetermined pressures for opening the flow paths in the plurality of flow paths.Type: ApplicationFiled: January 26, 2022Publication date: August 4, 2022Inventors: Toshio NAKATA, Yuichi URABE, Kazushi ARAFUKA, Yuki SHIOHARA, Munechika OTSURU
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Publication number: 20220242128Abstract: A liquid ejecting apparatus includes: a head that ejects a liquid; a curing portion that cures the liquid by emitting energy to the liquid; and a waste-liquid collecting portion that collects the liquid as waste liquid, in which the waste-liquid collecting portion includes an absorber that absorbs the liquid from the head, a first rotational shaft that holds an unused portion of the absorber, and a second rotational shaft that holds a used portion of the absorber, and the curing portion emits the energy to the liquid absorbed by the absorber.Type: ApplicationFiled: February 3, 2022Publication date: August 4, 2022Inventors: Hisashi SATO, Kazushi ARAFUKA, Yuichi URABE
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Patent number: 11298951Abstract: A liquid ejecting apparatus including a liquid ejecting portion that ejects a liquid, a liquid supply flow path that supplies the liquid accommodated in a liquid supply source to the liquid ejecting portion, a storage portion that is provided in the liquid supply flow path and that stores the liquid, a pressure mechanism that changes a volume of the storage portion by making pressure act thereon, a liquid filling mechanism that fills the liquid inside the liquid supply source into the liquid supply flow path, and a control portion that fills the liquid into the liquid supply flow path while the volume of the storage portion is, by making pressure act on the flexible portion, made smaller than when the pressure does not act on the flexible portion, and after the filling, ends a state in which the pressure is made to act on the flexible portion.Type: GrantFiled: August 18, 2020Date of Patent: April 12, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiaki Kishii, Hisashi Sato, Eri Tanaka, Kazuyuki Fujioka, Yuichi Urabe
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Publication number: 20210379892Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid from a nozzle onto a medium to perform printing, a liquid accommodating unit configured to receive, via an opening, the liquid ejected by empty discharging that ejects the liquid from the liquid ejecting head separately from the printing, a cover movable to a closed position where the opening of the liquid accommodating unit is covered and an open position where the opening is opened, and a detection unit configured to detect the cover positioned at the closed position or the open position.Type: ApplicationFiled: June 8, 2021Publication date: December 9, 2021Inventors: Toshio NAKATA, Yuichi URABE
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Patent number: 11034155Abstract: A liquid reservoir unit includes a reservoir portion, an outflow portion disposed at a position near a first end of the reservoir portion, and an inflow portion disposed at a position near the first end of the reservoir portion. The outflow portion includes an outflow opening opened to an interior of the reservoir portion, and the inflow portion includes an inflow opening opened to the interior of the reservoir portion. The outflow opening and the inflow opening are located at different positions in a width direction which is a lengthwise direction of the reservoir portion when the reservoir portion is viewed from the first end, and also located at different positions in a depth direction from the first end toward a second end on the opposite side to the first end.Type: GrantFiled: September 12, 2019Date of Patent: June 15, 2021Assignee: Seiko Epson CorporationInventors: Hisashi Sato, Kazuyuki Fujioka, Yuichi Urabe, Hitotoshi Kimura
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Publication number: 20210053359Abstract: A liquid ejecting apparatus including a liquid ejecting portion that ejects a liquid, a liquid supply flow path that supplies the liquid accommodated in a liquid supply source to the liquid ejecting portion, a storage portion that is provided in the liquid supply flow path and that stores the liquid, a pressure mechanism that changes a volume of the storage portion by making pressure act thereon, a liquid filling mechanism that fills the liquid inside the liquid supply source into the liquid supply flow path, and a control portion that fills the liquid into the liquid supply flow path while the volume of the storage portion is, by making pressure act on the flexible portion, made smaller than when the pressure does not act on the flexible portion, and after the filling, ends a state in which the pressure is made to act on the flexible portion.Type: ApplicationFiled: August 18, 2020Publication date: February 25, 2021Inventors: Yoshiaki KISHII, Hisashi SATO, Eri TANAKA, Kazuyuki FUJIOKA, Yuichi URABE
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Patent number: 10618289Abstract: A liquid ejecting apparatus includes a liquid ejecting head provided with a nozzle and a cap that executes capping for forming a first space to which the nozzle is open, in a surrounding manner. The cap includes a capping member that is provided with a suction hole and an atmosphere communicating hole which is configured to allow an inside of the cap to communicate with an outside, a liquid absorber that is disposed inside the capping member, and a reception member that is disposed inside the capping member so as to form a second space between the liquid absorber and the reception member. The second space is positioned closer to a side of the liquid ejecting head than to the liquid absorber in a posture of capping, and the atmosphere communicating hole is open to the second space.Type: GrantFiled: December 5, 2018Date of Patent: April 14, 2020Assignee: Seiko Epson CorporationInventors: Hiromichi Nakashima, Yuichi Urabe, Kentaro Murakami, Shuji Funada, Hisashi Sato, Akihiro Furuya
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Publication number: 20200079093Abstract: A liquid reservoir unit includes a reservoir portion, an outflow portion disposed at a position near a first end of the reservoir portion, and an inflow portion disposed at a position near the first end of the reservoir portion. The outflow portion includes an outflow opening opened to an interior of the reservoir portion, and the inflow portion includes an inflow opening opened to the interior of the reservoir portion. The outflow opening and the inflow opening are located at different positions in a width direction which is a lengthwise direction of the reservoir portion when the reservoir portion is viewed from the first end, and also located at different positions in a depth direction from the first end toward a second end on the opposite side to the first end.Type: ApplicationFiled: September 12, 2019Publication date: March 12, 2020Inventors: Hisashi SATO, Kazuyuki FUJIOKA, Yuichi URABE, Hitotoshi KIMURA
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Publication number: 20200070517Abstract: A liquid ejecting apparatus includes a liquid supply flow path configured to supply a liquid stored in a liquid supply source to a liquid ejecting portion, a reservoir portion provided in the liquid supply flow path, an on-off valve provided between the liquid supply source and the reservoir portion, a discharge mechanism configured to discharge the liquid in the liquid supply flow path by depressurizing the liquid supply flow path, and a pressure mechanism configured to apply a negative pressure to the interior of the reservoir portion from the exterior. A negative pressure equal to or larger than a negative pressure applied to the interior of the reservoir portion by the discharge mechanism, is applied to the interior of the reservoir portion in a maintenance operation in which the liquid supply flow path is depressurized by the discharge mechanism while the on-off valve is closed.Type: ApplicationFiled: August 26, 2019Publication date: March 5, 2020Inventors: Hisashi SATO, Kazuyuki FUJIOKA, Yuichi URABE, Hiroyuki ITO
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Publication number: 20190176472Abstract: A liquid ejecting apparatus includes a liquid ejecting head provided with a nozzle and a cap that executes capping for forming a first space to which the nozzle is open, in a surrounding manner. The cap includes a capping member that is provided with a suction hole and an atmosphere communicating hole which is configured to allow an inside of the cap to communicate with an outside, a liquid absorber that is disposed inside the capping member, and a reception member that is disposed inside the capping member so as to form a second space between the liquid absorber and the reception member. The second space is positioned closer to a side of the liquid ejecting head than to the liquid absorber in a posture of capping, and the atmosphere communicating hole is open to the second space.Type: ApplicationFiled: December 5, 2018Publication date: June 13, 2019Inventors: Hiromichi NAKASHIMA, Yuichi URABE, Kentaro MURAKAMI, Shuji FUNADA, Hisashi SATO, Akihiro FURUYA
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Patent number: 10173430Abstract: There is provided a printing apparatus which performs printing by ejecting ink from a nozzle, including: a wiper blade that abuts on a nozzle surface on which an opening of the nozzle is formed, and moves in a first direction to wipe the ink adhering to the nozzle surface; and a cleaner that abuts on the moving wiper blade and scrapes off the ink adhering to the wiper blade, in which the wiper blade includes a blade member which protrudes in a second direction which is substantially orthogonal to the first direction, and in which the cleaner includes a scraping member which protrudes in a third direction which is a direction opposite to the second direction.Type: GrantFiled: October 18, 2017Date of Patent: January 8, 2019Assignee: Seiko Epson CorporationInventors: Yuichi Urabe, Kazushi Arafuka, Ken Inoue
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Publication number: 20180111375Abstract: There is provided a printing apparatus which performs printing by ejecting ink from a nozzle, including: a wiper blade that abuts on a nozzle surface on which an opening of the nozzle is formed, and moves in a first direction to wipe the ink adhering to the nozzle surface; and a cleaner that abuts on the moving wiper blade and scrapes off the ink adhering to the wiper blade, in which the wiper blade includes a blade member which protrudes in a second direction which is substantially orthogonal to the first direction, and in which the cleaner includes a scraping member which protrudes in a third direction which is a direction opposite to the second direction.Type: ApplicationFiled: October 18, 2017Publication date: April 26, 2018Inventors: Yuichi URABE, Kazushi ARAFUKA, Ken INOUE
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Patent number: 9919597Abstract: A controller for a four-wheel drive vehicle includes a multi-information display, a first operation part for switching of drive modes, a second operation part for switching of off-road traveling modes, a transfer controller that controls the arrangement of a transfer device based on the drive mode, a detector that detects the arrangement of the transfer device, a setter that sets the traveling mode based on the detected arrangement and input operations to the first and second operation parts, and a display controller that instructs the multi-information display to display the drive mode based on the input operation to the first operation part and the detected arrangement and to display the traveling mode set by the setter. The display controller displays the drive mode and the traveling mode on a window when the switched drive mode is a locked drive mode and simultaneously turns off these modes after a predetermined time.Type: GrantFiled: January 6, 2016Date of Patent: March 20, 2018Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Tomohiro Kawasaki, Yuichi Urabe, Ryoichi Hino, Takayuki Wako, Atsuro Hirayama, Yuichi Kamei, Kei Asano
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Patent number: 9452613Abstract: An inkjet printer 1 has an elastic ink pack 10 that holds ink, and an ink supply mechanism 5 that pressurizes the ink pack 10 and supplies ink to the ink path 4 side. The ink supply mechanism 5 has a pressure pump 15; a remaining ink monitor 52 that watches if the ink in the ink pack 10 has dropped to a specific remaining ink level; a first pressure control unit 56 that drives the pressure pump 15 until the pump pressure reaches a preset first set pressure P1 when the remaining ink has not reached the specific remaining ink level; and a second pressure control unit 57 that drives the pressure pump 15 until the pump pressure reaches a second set pressure P2 that is higher than the first set pressure P1 when the remaining ink has reached the specific remaining ink level.Type: GrantFiled: September 10, 2015Date of Patent: September 27, 2016Assignee: SEIKO EPSON CORPORATIONInventor: Yuichi Urabe