Patents by Inventor Kohei Fukui
Kohei Fukui 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: 11897721Abstract: A printing apparatus includes a printing unit; a first conveyance unit configured to convey a sheet to the printing unit while nipping the sheet; a second conveyance unit provided on a downstream side of the first conveyance unit in a conveyance direction of the sheet, and configured to convey the sheet while nipping the sheet; a third conveyance unit provided on a downstream side of the second conveyance unit in the conveyance direction, and configured to convey the sheet while nipping the sheet; and a switching unit configured to switch between a nip state of the second conveyance unit and a released state in which the nip state is released. When the sheet is conveyed by the third conveyance unit, the switching unit switches between the nip state and the released state in accordance with a length of the sheet.Type: GrantFiled: November 17, 2021Date of Patent: February 13, 2024Assignee: Canon Kabushiki KaishaInventors: Kohei Fukui, Tomoyuki Nagase, Waichiro Saiki, Tomohiro Suzuki, Ryo Kobayashi, Takeshi Koda, Toshiro Sugiyama
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Publication number: 20230264490Abstract: A printing apparatus includes a conveyance unit configured to convey a print medium in a conveyance direction, a printing unit, a plurality of rotary members arrayed in the direction intersecting a conveyance direction on a downstream side of the printing unit in the conveyance direction and configured to regulate a height position of the print medium from above the print medium, a holding member configured to rotatably hold the plurality of rotary members, a base member configured to support the holding member, and an adjustment member configured to adjust a position of the holding member in a height direction with respect to the base member.Type: ApplicationFiled: February 10, 2023Publication date: August 24, 2023Inventors: KOTA UCHIDA, KOHEI FUKUI, YOSHIAKI SUZUKI, TAKAKAZU OHASHI, KENGO NIEDA
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Publication number: 20230264494Abstract: A printing apparatus includes a conveyance unit arranged on an upstream side of a printing unit in a conveyance direction of a print medium and configured to convey the print medium to the printing unit, and a control unit configured to, after a start of printing for the print medium by the printing unit, regulate the printing by the printing unit during a time when a leading edge of the print medium conveyed by the conveyance unit is passing through a set section preset on a conveyance path of the print medium.Type: ApplicationFiled: February 10, 2023Publication date: August 24, 2023Inventors: TAKAKAZU OHASHI, KOTA UCHIDA, YOSHIAKI SUZUKI, KENGO NIEDA, KOHEI FUKUI
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Publication number: 20230264495Abstract: A printing apparatus includes a conveyance unit, a printing unit, a platen section facing the printing unit, a regulation unit arranged on a downstream side of the printing unit in the conveyance direction and configured to regulate a height position of the print medium, and a guide section arranged on a downstream side of the platen section. The guide section includes a first declined section declined, a second declined section arranged on the downstream side of the first declined section in the conveyance direction, and an inclined section inclined, from the second declined section to the downstream side in the conveyance direction. A declination of the second declined section is more moderate than the first declined section, and the regulation unit faces the guide section.Type: ApplicationFiled: February 10, 2023Publication date: August 24, 2023Inventors: KOHEI FUKUI, KOTA UCHIDA, YOSHIAKI SUZUKI, TAKAKAZU OHASHI, KENGO NIEDA
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Publication number: 20230249936Abstract: In a printing medium accommodating apparatus, a printing medium discharged from a discharge port of a printing apparatus is stacked. The printing medium accommodating apparatus includes: a receiving member configured to receive a printing medium discharged from the discharge port; and a holding member having a holding portion configured to hold one end of the receiving member, the holding member being capable of being connected with a first attachment unit attached to the printing apparatus, the holding member being configured to be capable of transitioning from a first state where the holding member is connected with the first attachment unit to a second state where the holding member is separated from the first attachment unit.Type: ApplicationFiled: January 13, 2023Publication date: August 10, 2023Inventors: TSUTOMU OBATA, RYO KOBAYASHI, RYO HARIGAE, ITARU WADA, KENGO NIEDA, KOHEI FUKUI
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Publication number: 20230249935Abstract: A printing medium accommodating apparatus is a printing medium accommodating apparatus in which to stack a printing medium discharged from a discharge port of a printing apparatus. This apparatus includes: a receiving member configured to receive a printing medium discharged from the discharge port; a holding member configured to hold one end of the receiving member; and a turning member configured to turn the holding member, and includes a first attachment unit capable of attaching the turning member to an insertion slot provided in the printing apparatus.Type: ApplicationFiled: February 7, 2023Publication date: August 10, 2023Inventors: RYO KOBAYASHI, TSUTOMU OBATA, ITARU WADA, RYO HARIGAE, KENGO NIEDA, KOHEI FUKUI
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Publication number: 20230241906Abstract: A recording apparatus includes a recording portion that records an image on a sheet, a first conveyance path in which a cut sheet serving as the sheet is conveyed toward the recording unit, a second conveyance path in which a continuous sheet serving as the sheet is conveyed toward the recording portion, a common conveyance path in which the sheet is conveyed in a conveying direction from a junction point at which the first conveyance path and the second conveyance path join together to the recording portion, and a control portion that controls the conveyance of the sheet. When the sheet is not detected in the second conveyance path after a sheet conveyance abnormality is detected, while the sheet is detected in the common conveyance path, the control portion performs a discharge operation of conveying the cut sheet from the first conveyance path toward the recording portion.Type: ApplicationFiled: January 25, 2023Publication date: August 3, 2023Inventors: HIKARU WATANABE, Kengo Nieda, Ryo Harigae, Kohei Fukui
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Publication number: 20220169477Abstract: A printing apparatus includes: a printing unit; a first conveyance unit configured to convey a sheet to the printing unit with nipping the sheet; a second conveyance unit provided on a downstream side of the first conveyance unit in a conveyance direction of the sheet, and configured to convey the sheet with nipping the sheet; a third conveyance unit provided on a downstream side of the second conveyance unit in the conveyance direction, and configured to convey the sheet with nipping the sheet; and a switching unit configured to switch a nip state of the second conveyance unit and a released state in which the nip state is released. When the sheet is conveyed by the third conveyance unit, the switching unit switches the nip state and the released state in accordance with a length of the sheet.Type: ApplicationFiled: November 17, 2021Publication date: June 2, 2022Inventors: Kohei Fukui, Tomoyuki Nagase, Waichiro Saiki, Tomohiro Suzuki, Ryo Kobayashi, Takeshi Koda, Toshiro Sugiyama
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Patent number: 10618274Abstract: A printing apparatus includes a transfer section and a non-transfer section configured to be moved cyclically, a print unit configured to form an ink image on the transfer section, a transfer unit configured to perform a transfer operation and a liquid absorbing unit configured to absorb a liquid component from the ink image. The liquid absorbing unit includes a liquid absorbing sheet, a driving unit configured to move the sheet cyclically, and a displacing unit configured to displace the sheet between a contact state in which the sheet can contact the transfer section and a retracted state. When the non-transfer section is located at a liquid absorbing position where the sheet and the transfer section contact with each other, the displacing unit displaces the sheet from the retracted state to the contact state.Type: GrantFiled: June 22, 2018Date of Patent: April 14, 2020Assignee: Canon Kabushiki KaishaInventors: Masahiro Sugimoto, Yuichiro Yanagi, Kohei Fukui
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Patent number: 10611140Abstract: A printing apparatus according to an embodiment of this invention brings, out of a cleaning unit that cleans a transfer member in contact with a transfer member and an application unit that applies a reactive liquid with ink to the transfer member, the cleaning unit into contact with the transfer member to clean the transfer member by the cleaning unit at the start of the printing operation. Alternatively, out of the application unit and an absorbing unit that absorbs a liquid component from the reactive liquid applied by the application unit in contact with the transfer member, the printing apparatus brings the application unit into contact with the transfer member to apply the reactive liquid by the application unit.Type: GrantFiled: June 22, 2018Date of Patent: April 7, 2020Assignee: Canon Kabushiki KaishaInventors: Toshiki Takeuchi, Masahiro Sugimoto, Ippei Tsushima, Kohei Fukui, Masato Izumi, Ryosuke Sato, Kenji Sugiyama, Kengo Nieda, Kota Uchida, Yuichiro Yanagi, Yusuke Nakaya, Atsushi Sakamoto, Susumu Hirosawa, Takeshi Murase, Futoshi Hirose
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Publication number: 20200047487Abstract: There is provided with a printing apparatus. A transfer member rotates and moves cyclically. A transfer unit transfers an image formed on the transfer member to a print medium. A liquid absorbing unit absorbs a liquid component from the image on the transfer member. A liquid absorbing member has a first surface and a second surface. A liquid removal section includes a first rotating body and a second rotating body. A liquid removal section removes a liquid contained in the liquid absorbing member from a nipped portion by the first rotating body and the second rotating body. A liquid applying section applies a liquid to a position on the first surface. The position is on an upstream side of the nipped portion with respect to a direction of rotation and movement of the liquid absorbing member.Type: ApplicationFiled: August 1, 2019Publication date: February 13, 2020Inventors: Masahiro Sugimoto, Yuichiro Yanagi, Kohei Fukui, Ryosuke Hirokawa
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Patent number: 10493781Abstract: A printing apparatus includes a transfer member, a print unit configured to form an ink image on the transfer member, a transfer unit configured to perform a transfer operation, and a liquid absorption unit configured to absorb a liquid component from the ink image on the transfer member before the transfer operation. The liquid absorption unit includes a liquid absorbing sheet, a driving unit configured to move the sheet cyclically, a displacing unit configured to displace the 1 sheet between a contact state in which the liquid absorbing sheet contacts the transfer member and a retracted state, and a recovery unit configured to perform a recovery operation of recovering liquid absorption performance of the sheet. The recovery operation is performed by the recovery unit while moving the sheet cyclically by the driving unit when the sheet is in the retracted state.Type: GrantFiled: June 22, 2018Date of Patent: December 3, 2019Assignee: Canon Kabushiki KaishaInventors: Yuichiro Yanagi, Masahiro Sugimoto, Kohei Fukui
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Patent number: 10421271Abstract: A printing apparatus includes at least one transfer section, a print unit forming an ink image on the transfer section, a transfer unit performing a transfer operation of transferring, to a print medium, and a liquid absorbing unit absorbing a liquid component from the ink image. The liquid absorbing unit includes a liquid absorbing sheet moved cyclically, and a displacing unit displacing the sheet between a contact state and a retracted state. The printing apparatus further includes an acceleration control unit controlling, if the sheet is displaced from the retracted state to the contact state, an acceleration operation of the transfer section and the sheet, and a determination unit determining an acceleration operation start portion which is located at a liquid absorbing position where the sheet contacts the transfer section when the acceleration control unit starts the acceleration operation.Type: GrantFiled: June 26, 2018Date of Patent: September 24, 2019Assignee: Canon Kabushiki KaishaInventors: Kohei Fukui, Masahiro Sugimoto, Yuichiro Yanagi
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Publication number: 20190009514Abstract: A printing apparatus includes a transfer section and a non-transfer section configured to be moved cyclically, a print unit configured to form an ink image on the transfer section, a transfer unit configured to perform a transfer operation and a liquid absorbing unit configured to absorb a liquid component from the ink image. The liquid absorbing unit includes a liquid absorbing sheet, a driving unit configured to move the sheet cyclically, and a displacing unit configured to displace the sheet between a contact state in which the sheet can contact the transfer section and a retracted state. When the non-transfer section is located at a liquid absorbing position where the sheet and the transfer section contact with each other, the displacing unit displaces the sheet from the retracted state to the contact state.Type: ApplicationFiled: June 22, 2018Publication date: January 10, 2019Inventors: Masahiro Sugimoto, Yuichiro Yanagi, Kohei Fukui
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Publication number: 20190009588Abstract: A printing apparatus includes a transfer member, a print unit configured to form an ink image on the transfer member, a transfer unit configured to perform a transfer operation, and a liquid absorption unit configured to absorb a liquid component from the ink image on the transfer member before the transfer operation. The liquid absorption unit includes a liquid absorbing sheet, a driving unit configured to move the sheet cyclically, a displacing unit configured to displace the 1 sheet between a contact state in which the liquid absorbing sheet contacts the transfer member and a retracted state, and a recovery unit configured to perform a recovery operation of recovering liquid absorption performance of the sheet. The recovery operation is performed by the recovery unit while moving the sheet cyclically by the driving unit when the sheet is in the retracted state.Type: ApplicationFiled: June 22, 2018Publication date: January 10, 2019Inventors: Yuichiro Yanagi, Masahiro Sugimoto, Kohei Fukui
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Publication number: 20190009516Abstract: A printing apparatus includes at least one transfer section, a print unit forming an ink image on the transfer section, a transfer unit performing a transfer operation of transferring, to a print medium, and a liquid absorbing unit absorbing a liquid component from the ink image. The liquid absorbing unit includes a liquid absorbing sheet moved cyclically, and a displacing unit displacing the sheet between a contact state and a retracted state. The printing apparatus further includes an acceleration control unit controlling, if the sheet is displaced from the retracted state to the contact state, an acceleration operation of the transfer section and the sheet, and a determination unit determining an acceleration operation start portion which is located at a liquid absorbing position where the sheet contacts the transfer section when the acceleration control unit starts the acceleration operation.Type: ApplicationFiled: June 26, 2018Publication date: January 10, 2019Inventors: Kohei Fukui, Masahiro Sugimoto, Yuichiro Yanagi
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Publication number: 20190001662Abstract: A printing apparatus according to an embodiment of this invention brings, out of a cleaning unit that cleans a transfer member in contact with a transfer member and an application unit that applies a reactive liquid with ink to the transfer member, the cleaning unit into contact with the transfer member to clean the transfer member by the cleaning unit at the start of the printing operation. Alternatively, out of the application unit and an absorbing unit that absorbs a liquid component from the reactive liquid applied by the application unit in contact with the transfer member, the printing apparatus brings the application unit into contact with the transfer member to apply the reactive liquid by the application unit.Type: ApplicationFiled: June 22, 2018Publication date: January 3, 2019Inventors: Toshiki Takeuchi, Masahiro Sugimoto, Ippei Tsushima, Kohei Fukui, Masato Izumi, Ryosuke Sato, Kenji Sugiyama, Kengo Nieda, Kota Uchida, Yuichiro Yanagi, Yusuke Nakaya, Atsushi Sakamoto, Susumu Hirosawa, Takeshi Murase, Futoshi Hirose
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Patent number: 5184743Abstract: A container for housing a coil, which comprises: a lower box (2) made of steel, having a bottom wall and an open upper end, for housing a coil with the axis thereof directed horizontally and covering a lower half portion thereof; an upper box (3) made of steel, inserted outside the lower box (2) so as to vertically movable, for covering an upper half portion of the coil, which has an open lower end and an upper end which is openable and closeable by means of a pair of cover plates (4, 4'); and a fixing mechanism for securing the upper box (3) at the uppermost position thereof onto the lower box (2).Type: GrantFiled: July 31, 1992Date of Patent: February 9, 1993Assignees: Nissin Technos Corporation, Cotra System Kabushiki KaishaInventors: Takashi Suzuki, Kohei Fukui