Patents by Inventor Tsuyoshi Saeki
Tsuyoshi Saeki 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: 20240300245Abstract: A liquid storage container including a positioning configuration contributing to downsizing is provided. The container capable of storing liquid therein includes a fitting portion including a communication port establishing communication between an inside and an outside, wherein a supply member supplying liquid is fitted and can supply the inside with liquid via the communication port; a first positioning portion positioning the supply member at one point; and a second positioning portion including a guide provided in the fitting portion and capable of guiding the supply member to a position where the supply member is fitted into the fitting portion when the supply member is fitted into the fitting portion while being positioned by the first positioning portion and a restriction portion restricting movement of the supply member using the first positioning portion as a rotation axis in the position where the supply member is fitted into the fitting portion.Type: ApplicationFiled: January 18, 2024Publication date: September 12, 2024Inventors: TAKASHI HAYASAKA, KEISUKE IINUMA, TATSUO NANJO, WATARU TAKAHASHI, HIROMASA TSUTSUMI, HIDEAKI MATSUMURA, YUSUKE NARATANI, TSUYOSHI SAEKI, TAIJI MARUYAMA, SHOTA ASADA, NORIO SAKURAI
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Patent number: 12070936Abstract: An image recording apparatus includes a recording unit that records an image on a recording medium, a discharge unit configured to discharge the recording medium on which recording has been performed by the recording unit, a first conveying path for conveying the recording medium from the recording unit to the discharge unit, a heating unit configured to heat the recording medium on which recording has been performed by the recording unit and disposed on the first conveying path, and a second conveying path configured to branch off from the first conveying path at a branching portion between the heating unit and the discharge unit and configured to merge with the first conveying path between the recording unit and a stacking unit on the first conveying path.Type: GrantFiled: June 2, 2021Date of Patent: August 27, 2024Assignee: Canon Kabushiki KaishaInventors: Takashi Abe, Tetsuya Ishikawa, Tsuyoshi Saeki, Yoshiyuki Kurita, Yumi Mukoyama
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Publication number: 20240227403Abstract: A liquid ejecting apparatus includes a liquid ejection head to eject liquid, a recovery unit, a housing, a discharge unit, a casing including the discharge unit and the housing, and a liquid receptacle. The recovery unit maintains liquid ejecting performance of the liquid ejection head. The housing houses a container that accommodates liquid received by the recovery unit. The discharge unit discharges the liquid received by the recovery unit to the container. The liquid receptacle is disposed below the discharge unit in a direction of gravity in the casing and includes a first groove extending in a first direction crossing the direction of gravity and a second groove extending in a second direction crossing the direction of gravity and the first direction.Type: ApplicationFiled: October 17, 2023Publication date: July 11, 2024Inventors: HIROMASA TSUTSUMI, HIDEAKI MATSUMURA, TSUYOSHI SAEKI, NORIO SAKURAI, DAIJU TAKEDA, SHOTA ASADA, TAIJI MARUYAMA
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Patent number: 11987059Abstract: An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.Type: GrantFiled: February 22, 2023Date of Patent: May 21, 2024Assignee: Canon Kabushiki KaishaInventors: Junya Kosuge, Yumi Mukoyama, Toshiaki Tokisawa, Tsuyoshi Saeki, Takashi Abe
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Publication number: 20240131848Abstract: A liquid ejecting apparatus includes a liquid ejection head to eject liquid, a recovery unit, a housing, a discharge unit, a casing including the discharge unit and the housing, and a liquid receptacle. The recovery unit maintains liquid ejecting performance of the liquid ejection head. The housing houses a container that accommodates liquid received by the recovery unit. The discharge unit discharges the liquid received by the recovery unit to the container. The liquid receptacle is disposed below the discharge unit in a direction of gravity in the casing and includes a first groove extending in a first direction crossing the direction of gravity and a second groove extending in a second direction crossing the direction of gravity and the first direction.Type: ApplicationFiled: October 16, 2023Publication date: April 25, 2024Inventors: HIROMASA TSUTSUMI, HIDEAKI MATSUMURA, TSUYOSHI SAEKI, NORIO SAKURAI, DAIJU TAKEDA, SHOTA ASADA, TAIJI MARUYAMA
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Publication number: 20240109333Abstract: A liquid storage container includes a storage portion configured to store liquid, an opening portion provided on a first surface and configured to allow injection of the liquid into the storage portion, a receiving portion consisting of the first surface and a wall disposed around the opening portion on the first surface, and a liquid holding unit configured to hold the liquid guided by a guiding portion from the liquid receiving portion to outside of the liquid receiving portion. The liquid holding unit includes a second surface different from the first surface of the liquid storage container and a flexible member.Type: ApplicationFiled: September 27, 2023Publication date: April 4, 2024Inventors: TAIJI MARUYAMA, HIDEAKI MATSUMURA, TSUYOSHI SAEKI, NORIO SAKURAI, DAIJU TAKEDA, SHOTA ASADA, HIROMASA TSUTSUMI
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Publication number: 20240109330Abstract: A printing apparatus includes a liquid tank unit, a printing head, and a supply tube unit. The liquid tank unit includes first and second liquid tanks that store liquid and are arranged in parallel to each other. The printing head ejects liquid from the first and second tanks while moving in a main scanning direction. The supply tube unit includes a first supply tube connecting the first liquid tank to the printing head and includes a second supply tube coupled in parallel to the first supply tube and connecting the second liquid tank to the printing head. The second supply tube transitions from a connected tube state in which the second and first supply tubes are coupled in parallel to a single tube state by being separated from the first supply tube, passes across the first supply tube, and is connected to a connection port of the second liquid tank.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Inventors: Dauu TAKEDA, Hideaki MATSUMURA, Tsuyoshi SAEKI, Norio SAKURAI, Hiromasa TSUTSUMI, Shota ASADA, Taiji MARUYAMA
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Publication number: 20240109331Abstract: Disclosed is a recording apparatus including a tank configured to store liquid to be supplied to a recording head that ejects the liquid, the tank including an inlet port for liquid injection; a cap unit including a shaft portion and a cap configured to turn about the shaft portion between a first position at which the cap caps the inlet port and a second position at which the cap does not cap the inlet port, the shaft portion being provided to a housing that encloses the tank; and a biasing unit configured to bias the cap unit in a direction to move the cap apart from the inlet port, wherein the cap unit does not move at the second position while being biased by the biasing unit.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Inventors: TSUYOSHI SAEKI, HIDEAKI MATSUMURA, YURI MORI, KEN TAKENAGA, SHOTA ASADA, KOKI SHIMADA, DAIJU TAKEDA, HIROMASA TSUTSUMI, MINEYOSHI TOMIE
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Publication number: 20240083175Abstract: A printing apparatus includes a support member configured to support a printhead that performs printing by discharging ink to a print medium, a connecting member including a connecting portion connected to an ink introduction portion of the printhead and through which the ink introduction portion communicates with an ink supply passage via the connecting portion, a rotation member configured to hold the connecting member such that a posture of the connecting member is changeable, and configured to be supported by the support member to be rotatable between a connecting position at which the ink introduction portion and the connecting portion are connected and a connection releasing position at which the ink introduction portion and the connecting portion are not connected, and a biasing portion configured to bias the connecting member to a first posture with respect to the rotation member.Type: ApplicationFiled: April 26, 2023Publication date: March 14, 2024Inventors: HIROMASA TSUTSUMI, HIDEAKI MATSUMURA, TSUYOSHI SAEKI, YURI MORI, KOKI SHIMADA, SHOTA ASADA, KEN TAKENAGA, DAIJU TAKEDA, MINEYOSHI TOMIE
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Publication number: 20230405995Abstract: A printing apparatus includes a liquid container. The liquid container includes a storage portion configured to store a liquid to be supplied to a discharge head that discharges the liquid, a first channel configured to be inserted into a replenishing bottle, which is configured to replenish the liquid to the storage portion, and to communicate with the replenishing bottle, and a second channel between the first channel and the storage portion, the second channel including, at an end portion on a side of the first channel, a first shape portion having a sectional shape common to a part of a sectional shape of the first channel.Type: ApplicationFiled: June 1, 2023Publication date: December 21, 2023Inventors: KOKI SHIMADA, HIDEAKI MATSUMURA, YURI MORI, TSUYOSHI SAEKI, KEN TAKENAGA, DAIJU TAKEDA, SHOTA ASADA, HIROMASA TSUTSUMI, MINEYOSHI TOMIE, TAKAO KAWAI, MEGUMI UETA, ERIKA IYAMA
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Patent number: 11807018Abstract: Provided is an inkjet printing apparatus comprising: a print head that ejects ink; a tank that contains ink to be supplied to the print head; a floating body that floats on the liquid surface of the ink inside the tank; and an electrode pin that detects the level of the liquid surface inside the tank. The floating body includes an opening portion in which to insert the electrode pin, and a perimeter of the opening portion protrudes from a top surface side of the floating body.Type: GrantFiled: November 12, 2021Date of Patent: November 7, 2023Assignee: Canon Kabushiki KaishaInventors: Takashi Abe, Tsuyoshi Saeki
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Publication number: 20230330988Abstract: A liquid ejection apparatus includes a first liquid storage container, a second liquid storage container, a first terminal member, a second terminal member, and a circuit board. The first liquid storage container stores liquid to be supplied to a liquid ejection head that ejects the liquid to an ejection medium. The second liquid storage container is arranged side by side in a first direction with respect to the first liquid storage container. The first terminal member comes into contact with the liquid stored within the first liquid storage container. The second terminal member comes into contact with liquid stored within the second liquid storage container. The circuit board comes into contact with the first terminal member and the second terminal member and relatively moves in the first direction with respect to the first liquid storage container.Type: ApplicationFiled: April 10, 2023Publication date: October 19, 2023Inventors: HIDEAKI MATSUMURA, TSUYOSHI SAEKI, YURI MORI, KEN TAKENAGA, SHOTA ASADA, KOKI SHIMADA, DAIJU TAKEDA, HIROMASA TSUTSUMI, MINEYOSHI TOMIE
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Patent number: 11760098Abstract: A liquid discharge apparatus includes a tube configured to connect a liquid discharge unit and a liquid container, a protective member configured to protect the tube, and a holder configured to hold the protective member. The holder holds the protective member by a first projection of the holder being inserted into a first opening in the protective member, such that a portion of the first projection protrudes from the first opening, and, in a state where the protective member is attached to the holder, a length of the portion of the first projection in a first direction in which a short side of the first opening extends is greater than that of the first opening in the first direction, and the length of the portion of the first projection in the first direction is less than that of the first opening, in the second direction crossing to the first direction.Type: GrantFiled: February 10, 2022Date of Patent: September 19, 2023Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Saeki, Yuri Mori
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Publication number: 20230286282Abstract: A liquid discharge apparatus includes a liquid container and an operating member. The liquid container is configured to introduce liquid from a liquid introducing portion to an inside. The operating member is configured to rotate around a rotation shaft in a first direction from a first position for covering the liquid introducing portion to move to a second position for exposing the liquid introducing portion, and rotate in a second direction opposite to the first direction from the second position to move to the first position. The operating member includes a plug member and a covering portion. The plug member is retained to the operating member by a retaining member and configured to plug the liquid introducing portion at the first position. The covering portion is configured to cover the plug member in a direction intersecting with the first direction.Type: ApplicationFiled: March 3, 2023Publication date: September 14, 2023Inventors: DAIJU TAKEDA, YURI MORI, TSUYOSHI SAEKI, HIDEAKI MATSUMURA, HIROMASA TSUTSUMI, SHOTA ASADA, KOKI SHIMADA, KEN TAKENAGA, MINEYOSHI TOMIE
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Publication number: 20230202191Abstract: An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.Type: ApplicationFiled: February 22, 2023Publication date: June 29, 2023Inventors: Junya Kosuge, Yumi Mukoyama, Toshiaki Tokisawa, Tsuyoshi Saeki, Takashi Abe
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Publication number: 20230182476Abstract: A liquid discharge apparatus includes a liquid discharge head to discharge liquid to a medium and a liquid storage container. The liquid storage container includes a reservoir portion, a liquid injection portion, a liquid holding unit, and a liquid guide portion. The reservoir portion reserves the liquid that is supplied to the liquid discharge head. The liquid injection portion allows a liquid injection container for injecting the liquid into the reservoir portion to be inserted in the liquid injection portion in a first direction. The liquid holding unit is provided at a position spaced apart from the liquid injection portion and is capable of holding the liquid. The liquid guide portion guides the liquid from the liquid injection portion to the liquid holding unit in a second direction intersecting with the first direction.Type: ApplicationFiled: December 9, 2022Publication date: June 15, 2023Inventors: MINEYOSHI TOMIE, HIDEAKI MATSUMURA, YURI MORI, KEN TAKENAGA, DAIJU TAKEDA, KOKI SHIMADA, TSUYOSHI SAEKI, SHOTA ASADA, HIROMASA TSUTSUMI
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Patent number: 11618264Abstract: An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.Type: GrantFiled: March 2, 2021Date of Patent: April 4, 2023Assignee: Canon Kabushiki KaishaInventors: Junya Kosuge, Yumi Mukoyama, Toshiaki Tokisawa, Tsuyoshi Saeki, Takashi Abe
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Patent number: 11460794Abstract: An image recording apparatus includes a stacking portion on which a recording medium is stacked; a recording portion for recording an image on the recording medium; a heating portion for heating the recording medium recorded by the recording portion; a discharge portion for discharging the recording medium recorded by the recording portion; a first path for conveying the recording medium in order of the stacking portion, the recording portion, the heating portion, and the discharge portion; a second path branching off from the first path between the recording portion and the heating portion, and merging with the first path downstream of the heating portion; and a third path for connecting the second path and a part of the first path between the stacking portion and the recording portion, and inverting a recording surface of the recording medium.Type: GrantFiled: June 2, 2021Date of Patent: October 4, 2022Assignee: Canon Kabushiki KaishaInventors: Yumi Mukoyama, Tetsuya Ishikawa, Tsuyoshi Saeki, Yoshiyuki Kurita, Takashi Abe
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Publication number: 20220258477Abstract: A liquid discharge apparatus includes a tube configured to connect a liquid discharge unit and a liquid container, a protective member configured to protect the tube, and a holder configured to hold the protective member. The holder holds the protective member by a first projection of the holder being inserted into a first opening in the protective member, such that a portion of the first projection protrudes from the first opening, and, in a state where the protective member is attached to the holder, a length of the portion of the first projection in a first direction in which a short side of the first opening extends is greater than that of the first opening in the first direction, and the length of the portion of the first projection in the first direction is less than that of the first opening, in the second direction crossing to the first direction.Type: ApplicationFiled: February 10, 2022Publication date: August 18, 2022Inventors: Tsuyoshi Saeki, Yuri Mori
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Patent number: 11415914Abstract: An image recording apparatus includes a first path for conveying a recording medium in order of a stacking portion on which the recording medium is stacked, a recording portion for recording an image on the recording medium, a heating portion for heating the image, and a discharge portion for discharging the recording medium; a second path branching off from the first path at a first branch part between the recording portion and the heating portion, and for discharging the recording medium to the discharge portion without passing through the heating portion; and a third path branching off from the first path at a second branch part between the recording portion and the first branch part, and for conveying the recording medium, the recording surface of which is inverted, toward a location between the stacking portion and the recording portion in the first path.Type: GrantFiled: June 2, 2021Date of Patent: August 16, 2022Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Saeki, Tetsuya Ishikawa, Yoshiyuki Kurita, Takashi Abe, Yumi Mukoyama