Patents by Inventor Taichi SHIRONO
Taichi SHIRONO 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: 20240123737Abstract: A liquid discharging apparatus, having a head, a reservoir section including a liquid reservoir chamber and an atmosphere communication path, a liquid flow path connecting the head with the liquid reservoir chamber, a switching assembly to switch states of the atmosphere communication path between a connecting state and a disconnecting state, and a controller, is provided. The controller is configured to control the switching assembly to switch the states of the atmosphere communication path from the connecting state to the disconnecting state; after switching the states of the atmosphere communication path, control the head to discharge the liquid; and after switching the states of the atmosphere communication path, and in response to a predetermined connection condition being satisfied, control the switching assembly to switch the states of the atmosphere communication path from the disconnecting state to the connecting state.Type: ApplicationFiled: December 20, 2023Publication date: April 18, 2024Inventors: Fumio NAKAZAWA, Yoshinori OSAKABE, Taichi SHIRONO, Sosuke KUROYANAGI
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Publication number: 20240100844Abstract: A liquid supplying apparatus having a tank with a hole, a reservoir chamber to store a portion of liquid in the tank, and a flow path to store another portion of the liquid in the tank, is provided. The flow path connects the reservoir chamber and the hole. The flow path has a first funnel section to reduce a cross-sectional area of a part of the flow path. The first funnel section is located at a position equal to or higher than a surface of a predetermined maximum amount of the liquid storable in the tank in a usable posture. The first funnel section creates a meniscus with the liquid stored in the tank in an X1-rotated posture, in which the tank is rotated about a first axis by a first angle from the usable posture.Type: ApplicationFiled: December 8, 2023Publication date: March 28, 2024Inventors: Yoshinori OSAKABE, Taichi SHIRONO, Fumio NAKAZAWA, Sosuke KUROYANAGI
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Publication number: 20240066882Abstract: There is provided an inkjet recording device including a head, a support member, a storage portion, a valve, an actuator, and a controller. The head includes a nozzle and is configured to eject ink from the nozzle. The support member supports the head. The storage portion storing therein ink. The storage portion has a part positioned above the nozzle. The storage portion has an air communication opening allowing an interior of the storage portion to be communicated with an outside of the storage portion. The valve is movable between an opening position in which the valve opens the air communication opening and a closing position in which the valve closes the air communication opening. The actuator is configured to move the valve. The controller configured to control, while the head is ejecting ink from the nozzle toward a recording medium, the actuator to maintain the valve at the closing position.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Fumio NAKAZAWA, Yoshinori OSAKABE, Taichi SHIRONO, Sosuke KUROYANAGI
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Patent number: 11912039Abstract: A liquid discharging apparatus, having a head, a reservoir section including a liquid reservoir chamber and an atmosphere communication path, a liquid flow path connecting the head with the liquid reservoir chamber, a switching assembly to switch states of the atmosphere communication path between a connecting state and a disconnecting state, and a controller, is provided. The controller is configured to control the switching assembly to switch the states of the atmosphere communication path from the connecting state to the disconnecting state; after switching the states of the atmosphere communication path, control the head to discharge the liquid; and after switching the states of the atmosphere communication path, and in response to a predetermined connection condition being satisfied, control the switching assembly to switch the states of the atmosphere communication path from the disconnecting state to the connecting state.Type: GrantFiled: September 22, 2021Date of Patent: February 27, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Fumio Nakazawa, Yoshinori Osakabe, Taichi Shirono, Sosuke Kuroyanagi
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Patent number: 11904613Abstract: There is provided an inkjet recording device including a head, a support member, a storage portion, a valve, an actuator, and a controller. The head includes a nozzle and is configured to eject ink from the nozzle. The support member supports the head. The storage portion storing therein ink. The storage portion has a part positioned above the nozzle. The storage portion has an air communication opening allowing an interior of the storage portion to be communicated with an outside of the storage portion. The valve is movable between an opening position in which the valve opens the air communication opening and a closing position in which the valve closes the air communication opening. The actuator is configured to move the valve. The controller configured to control, while the head is ejecting ink from the nozzle toward a recording medium, the actuator to maintain the valve at the closing position.Type: GrantFiled: March 31, 2021Date of Patent: February 20, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Fumio Nakazawa, Yoshinori Osakabe, Taichi Shirono, Sosuke Kuroyanagi
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Publication number: 20240025176Abstract: There is provided a liquid discharge apparatus including: a head including a nozzle surface on which a nozzle is opened; a carriage holding the head and configured to move in the scanning direction; a cap configured to contact the nozzle surface to cover the nozzle in a case that the carriage is located in a first position; and a contact member. The head includes a contact part configured to make contact with the contact member. In a case that a load of a vertical component of the nozzle surface is applied to the head by the cap contacting the nozzle surface, the contact member is configured to make contact with the contact part of the head to receive the load applied to the head.Type: ApplicationFiled: July 19, 2023Publication date: January 25, 2024Inventors: Yoshinori OSAKABE, Akihiro SAKAKIBARA, Yuta ARAKAWA, Taichi SHIRONO, Fumio NAKAZAWA
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Patent number: 11878533Abstract: A liquid supplying apparatus having a tank with a hole, a reservoir chamber to store a portion of liquid in the tank, and a flow path to store another portion of the liquid in the tank, is provided. The flow path connects the reservoir chamber and the hole. The flow path has a first funnel section to reduce a cross-sectional area of a part of the flow path. The first funnel section is located at a position equal to or higher than a surface of a predetermined maximum amount of the liquid storable in the tank in a usable posture. The first funnel section creates a meniscus with the liquid stored in the tank in an X1-rotated posture, in which the tank is rotated about a first axis by a first angle from the usable posture.Type: GrantFiled: September 29, 2021Date of Patent: January 23, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori Osakabe, Taichi Shirono, Fumio Nakazawa, Sosuke Kuroyanagi
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Patent number: 11865847Abstract: There is provided a liquid discharge apparatus including: a head having a nozzle; a tank; a gas channel; a valve unit; a memory; and a controller. The controller is configured to execute: making of the valve unit to be in an open state, under a condition that a count value indicating an amount of a liquid discharged from the nozzle has reached an opening threshold value ?V. The opening threshold value ?V is represented by: ?V?(Vtmax?Vi)×Pm/(P?Pm). Note that Vtmax represents a volume of the tank, Vi represents the maximum amount of the liquid storable in the tank, P represents an atmospheric pressure, and Pm represents a meniscus-withstanding pressure of the liquid formed in the nozzle.Type: GrantFiled: March 9, 2022Date of Patent: January 9, 2024Inventors: Fumio Nakazawa, Yoshinori Osakabe, Taichi Shirono, Sosuke Kuroyanagi
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Publication number: 20230405997Abstract: A tank set includes: tanks arranged in a predetermined direction, each of the tanks being composed of a casing including: a liquid storage chamber defined by mutually opposing two surfaces and configured to store liquid; an inlet provided to inject the liquid into the liquid storage chamber; and a liquid outflow port through which the liquid flows out from the liquid storage chamber to a liquid-consuming unit. Each of the two surfaces extends in a direction intersecting the predetermined direction, and is at least partially composed of a film.Type: ApplicationFiled: February 20, 2023Publication date: December 21, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro HAYASHI, Taichi SHIRONO, Masako KAWAGOE, Yoshinori OSAKABE
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Publication number: 20230356523Abstract: An inkjet recording device includes: a head including a nozzle configured to eject ink toward a recording medium; a storage portion storing therein ink and formed with an air communication opening allowing an interior of the storage portion to be communicated with an outside thereof; a valve movable between an opening position opening the air communication opening and a closing position closing the air communication opening; an actuator configured to move the valve; a state sensor configured to output a detection signal based on the state of the inkjet recording device; and a controller configured to perform: (a) determining, on the basis of the detection signal, whether the inkjet recording device has an abnormality; and (b) controlling, in a case where determination is made in (a) that the inkjet recording device has an abnormality, the actuator to move the valve to the closing position from the opening position.Type: ApplicationFiled: April 10, 2023Publication date: November 9, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori OSAKABE, Fumio NAKAZAWA, Taichi SHIRONO, Sosuke KUROYANAGI
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Patent number: 11718099Abstract: An ink tank includes: a first liquid storage chamber; a second liquid storage chamber; a detector having at least two electrode rods in the first liquid storage chamber; an injector having an opening supplying liquid to the first liquid storage chamber; an atmospheric communication passage communicating an outside of the ink tank with the second liquid storage chamber; a cap movable between an open position and a closed position with respect to the injector and configured to seal the first liquid storage chamber; a valve mechanism opening or closing the communication passage by moving up and down with respect to the communication passage; a link mechanism moving the valve mechanism up and down; and a guide portion guiding the valve mechanism, at least a part of the guide portion being provided in the valve mechanism.Type: GrantFiled: September 21, 2021Date of Patent: August 8, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori Osakabe, Taichi Shirono, Takashi Kitagawa
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Patent number: 11697288Abstract: A liquid supplying apparatus, having a reservoir section including a reservoir chamber, and a communication section connecting the reservoir chamber and a hole, is provided. The communication section has a first wall and a second wall, a first buffer space, and a second buffer space. The first buffer space and the second buffer space store the liquid flowing on the first wall and the second wall, respectively, in the liquid supplying apparatus being in the first rotated posture. The hole is located at an upper position with respect to a surface of a predetermined maximum amount of the liquid storable in the reservoir chamber in the liquid supplying apparatus being in a usable posture. The hole is open neither to the first buffer space nor the second buffer space. The hole is located in neither the first wall nor the second wall.Type: GrantFiled: September 29, 2021Date of Patent: July 11, 2023Assignee: Brother Kogyo Kabushiki KaishaInventors: Yoshinori Osakabe, Taichi Shirono, Fumio Nakazawa, Sosuke Kuroyanagi
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Patent number: 11654675Abstract: An inkjet recording device includes: a head including a nozzle configured to eject ink toward a recording medium; a storage portion storing therein ink and formed with an air communication opening allowing an interior of the storage portion to be communicated with an outside thereof; a valve movable between an opening position opening the air communication opening and a closing position closing the air communication opening; an actuator configured to move the valve; a state sensor configured to output a detection signal based on the state of the inkjet recording device; and a controller configured to perform: (a) determining, on the basis of the detection signal, whether the inkjet recording device has an abnormality; and (b) controlling, in a case where determination is made in (a) that the inkjet recording device has an abnormality, the actuator to move the valve to the closing position from the opening position.Type: GrantFiled: March 24, 2021Date of Patent: May 23, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori Osakabe, Fumio Nakazawa, Taichi Shirono, Sosuke Kuroyanagi
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Publication number: 20230079790Abstract: An inkjet printer includes a printer body and an ink container provided in the printer body. The ink container includes an ink containing portion, a frame portion and a cover portion. A top portion of the ink containing portion includes a port. The cover portion is pivotally connected to the frame portion and pivotable between an opened position, in which the port is exposed, and a closed position, in which the cover portion covers the port, with respect to the frame portion. The cover portion includes a sealing member provided corresponding to the port on an opposing surface of the cover portion. When the cover portion is in the closed position, the sealing member seals the port, and when the cover portion is in the opened position, the sealing member is separated from the port.Type: ApplicationFiled: November 15, 2022Publication date: March 16, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori Osakabe, Masako Kawagoe, Taichi Shirono
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Patent number: 11584136Abstract: A tank set includes: tanks arranged in a predetermined direction, each of the tanks being composed of a casing including: a liquid storage chamber defined by mutually opposing two surfaces and configured to store liquid; an inlet provided to inject the liquid into the liquid storage chamber; and a liquid outflow port through which the liquid flows out from the liquid storage chamber to a liquid-consuming unit. Each of the two surfaces extends in a direction intersecting the predetermined direction, and is at least partially composed of a film.Type: GrantFiled: February 18, 2022Date of Patent: February 21, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro Hayashi, Taichi Shirono, Masako Kawagoe, Yoshinori Osakabe
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Publication number: 20230022407Abstract: A liquid ejecting device includes a head having a nozzle configured to eject liquid, a container that is connected with the head and is configured to store the liquid, a communication section configured to communicate an internal space of the container with atmosphere, and a liquid reservoir configured to store the liquid and to be removably attached to the container. An internal space of the liquid reservoir is communicated with the internal space of the container through a liquid flow path and a gas flow path in an attached state where the liquid reservoir is attached to the container.Type: ApplicationFiled: July 26, 2022Publication date: January 26, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori OSAKABE, Taichi SHIRONO, Fumio NAKAZAWA, Sosuke KUROYANAGI
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Publication number: 20230001705Abstract: A printing device is provided with a print head having a plurality of nozzles configured to eject ink droplets therefrom, a supplier configured to supply ink contained in a container to the print head, and a controller. The controller is configured to perform obtaining ink information having correlation with a height of a liquid surface of the ink contained in the container, obtaining subject image data representing an image to be printed, generating print data based on the subject image data, and causing the print head to eject ink droplets based on the print data. The generating includes adjusting the print data in accordance with the ink information.Type: ApplicationFiled: June 29, 2022Publication date: January 5, 2023Applicant: Brother Kogyo Kabushiki KaishaInventors: Yoshinori OSAKABE, Sosuke KUROYANAGI, Masahiro HOGA, Hiroyuki ISHIKAWA, Jun MORIKAWA, Taichi SHIRONO, Fumio NAKAZAWA
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Publication number: 20230001690Abstract: A liquid ejection device includes a head having a nozzle, an element causing the nozzle to eject liquid, a reservoir configured to store the liquid to be supplied to the nozzle, and a controller. The controller is configured to change a drive signal to drive the element based on a quantity of the liquid stored in the reservoir.Type: ApplicationFiled: June 29, 2022Publication date: January 5, 2023Applicant: Brother Kogyo Kabushiki KaishaInventors: Sosuke KUROYANAGI, Yoshinori OSAKABE, Hiroyuki ISHIKAWA, Fumio NAKAZAWA, Taichi SHIRONO
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Patent number: 11504974Abstract: An inkjet printer includes a printer body and an ink container provided in the printer body. The ink container includes an ink containing portion, a frame portion and a cover portion. A top portion of the ink containing portion includes a port. The cover portion is pivotally connected to the frame portion and pivotable between an opened position, in which the port is exposed, and a closed position, in which the cover portion covers the port, with respect to the frame portion. The cover portion includes a sealing member provided corresponding to the port on an opposing surface of the cover portion. When the cover portion is in the closed position, the sealing member seals the port, and when the cover portion is in the opened position, the sealing member is separated from the port.Type: GrantFiled: November 18, 2020Date of Patent: November 22, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yoshinori Osakabe, Masako Kawagoe, Taichi Shirono
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Publication number: 20220355593Abstract: A tank includes: a wall separating a liquid storage chamber, which stores a liquid to be supplied to a liquid consuming part, from an outside; an inlet penetrating the wall; and a liquid outflow part which allows the liquid to flow to the outside of the liquid storage chamber. The wall includes a view wall, which extends upward and downward and allows a user to visually check a liquid level in the liquid storage chamber, and a bottom wall, which defines an inner bottom surface of the liquid storage chamber by being connected to the view wall. The inner bottom surface of the bottom wall includes an inclined part which extends from at least a part of the view wall to incline downward in a direction away from the view wall.Type: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Taichi SHIRONO