Patents by Inventor Takahiro MIYAO

Takahiro MIYAO 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).

  • Patent number: 10773525
    Abstract: A liquid cartridge configured to be inserted into a cartridge-attachment section in an insertion direction includes a casing, and a lever supported by the casing. The lever is pivotable about a pivot axis between a first position and a second position. The lever includes a light-blocking portion configured to block or attenuate light traveling in a widthwise direction crossing the insertion direction and a gravitational direction, and a force-receiving portion positioned closer to a front wall of the casing than the light-blocking portion is to the front wall in the insertion direction. The light-blocking portion is positioned lower at the second position than at the first position. The pivot axis is positioned frontward of the light-blocking portion and rearward of the force-receiving portion in the insertion direction. The lever pivots from the second position to the first position upon application of an external force to the force-receiving portion.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 15, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki Takahashi, Takahiro Miyao, Akihito Ono, Tetsuro Kobayashi, Fumio Nakazawa, Kosuke Nukui
  • Patent number: 10737498
    Abstract: A liquid cartridge includes a chamber, a liquid outflow path, a circuit board, a first surface and a second surface. The chamber stores liquid. The liquid outflow path extends from the chamber to an outlet formed at the liquid outflow path. The outlet is to communicate with an exterior of the liquid cartridge and faces frontward. The circuit board is disposed rearward relative to the outlet. The first surface faces at least upwardly. The second surface faces at least rearwardly. The circuit board includes at least one of the first surface and the second surface.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 11, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke Nukui, Fumio Nakazawa, Tetsuro Kobayashi, Hiroaki Takahashi, Akihito Ono, Takahiro Miyao
  • Patent number: 10730309
    Abstract: A liquid cartridge is insertable into an attachment portion of a printing device in an insertion direction and attached thereto in an upright posture. The liquid cartridge includes: a housing defining a liquid chamber; a substrate; a contact; and a memory electrically connected to the contact. The substrate in the upright posture defines a sloped surface facing upward and sloping relative to a first imaginary plane extending in the insertion direction and a widthwise direction orthogonal to the insertion direction and a gravitational direction. The contact is formed on the sloped surface. An acute angle formed between the sloped surface and the first imaginary plane is greater than an acute angle formed between the first imaginary plane and a second imaginary plane passing through: a contact point between the contact and a contact of the device; and a lower end of a wall constituting a holder of the attachment portion.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: August 4, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takahiro Miyao, Akihito Ono, Kosuke Nukui, Fumio Nakazawa, Hiroaki Takahashi, Tetsuro Kobayashi
  • Publication number: 20200230965
    Abstract: A system includes: a casing that has a conveyance path and through which a sheet passes; a first tank that is disposed on one side of the conveyance path; a second tank that is disposed on the other side of the conveyance path; a first reservoir that is connectable to the first tank; a second reservoir that is connectable to the second tank; and a liquid ejection head that is disposed inside the casing and is configured to eject liquid supplied from the first tank and the second tank, wherein the first reservoir includes a first liquid flowing hole, the second reservoir includes a second liquid flowing hole, the first tank includes a first flow conduit connectable to the first liquid flowing hole, and the second tank includes a second flow conduit connectable to the second liquid flowing hole.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 23, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Akihito ONO, Kosuke NUKUI, Akinari ISHIBE, Hiroaki TAKAHASHI, Takahiro MIYAO
  • Publication number: 20200230963
    Abstract: A system includes: a housing; a first tank; a second tank; a first reservoir configured to be connected to the first tank; a second reservoir configured to be connected to the second tank; and a liquid discharge head that ejects the liquid supplied from the first tank and the second tank. The housing includes: a front wall; a rear wall facing the front wall; and a housing side contact, the first reservoir and the second reservoir includes: a liquid flow hole; a first outer wall; and a second outer wall facing the first outer wall, the first tank includes a first flow pipe, and the second tank includes a second flow pipe. The system further includes a circuit board that is disposed on the second outer wall and has a reservoir side contact that contacts the housing side contact.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 23, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Akihito ONO, Akinari ISHIBE, Hiroaki TAKAHASHI, Takahiro MIYAO, Kosuke NUKUI
  • Publication number: 20200230966
    Abstract: A system includes: a housing; a cover that is supported by the housing to be movable between a covering position and an opened position; a tank; a reservoir; and a liquid discharging head that is disposed inside the housing and discharges liquid supplied from the tank, wherein the reservoir includes a liquid passage hole; the tank includes a passage tube that extends upward from the tank and is connectable to the liquid passage hole of the reservoir, the cover includes: a first wall that is positioned above the housing at the covering position, and a second wall that extends downward from an edge of the first wall, and when the cover is positioned at the covering position and the reservoir is connected to the tank, an upper end of the reservoir is positioned above a lower end of the second wall.
    Type: Application
    Filed: January 13, 2020
    Publication date: July 23, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke NUKUI, Hiroaki TAKAHASHI, Akihito ONO, Takahiro MIYAO, Akinari ISHIBE
  • Patent number: 10688794
    Abstract: A liquid cartridge is configured to be inserted into a cartridge-attachment section including a casing and a light blocking portion. The casing includes a liquid chamber; a liquid passage extending in a first direction; and a top surface facing upward. The light blocking portion is deformable between a non-deformed state and a deformed state. The light blocking portion, at least in the non-deformed state, is configured to block or attenuate light emitted from the cartridge-attachment section and traveling in a widthwise direction crossing the first direction and a gravitational direction in an upright posture. The light blocking portion in the non-deformed state is configured to be deformed to the deformed state by an external force. The light blocking portion returns to the non-deformed state when the external force is removed from the light blocking portion in the deformed state.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 23, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takahiro Miyao, Akihito Ono, Hiroaki Takahashi, Tetsuro Kobayashi, Fumio Nakazawa, Kosuke Nukui
  • Patent number: 10688796
    Abstract: A liquid cartridge is configured to be inserted into a cartridge-attachment section including a casing, a movable member, and an urging member. The casing includes a liquid chamber storing liquid therein; a liquid passage extending in a first direction in an upright posture, and a top surface. The top surface faces upward in the upright posture and formed with a recess. The movable member has a light blocking portion. The light blocking portion in the upright posture is configured to move between a first position and a second position. At least a part of the light blocking portion in the first position is positioned above the top surface in the upright posture. The urging member is configured to urge the movable member toward the first position.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: June 23, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takahiro Miyao, Akihito Ono, Hiroaki Takahashi, Tetsuro Kobayashi, Fumio Nakazawa, Kosuke Nukui
  • Publication number: 20200180318
    Abstract: A liquid cartridge includes: a cartridge casing having a liquid storage chamber; a first wall; a second wall; and an air communication passage. The first wall is positioned upward relative to the liquid storage chamber. The second wall is positioned upward relative to the first wall. The air communication passage has a first communication hole in communication with the liquid storage chamber and a communication opening open to an atmosphere. The air communication passage includes: an air chamber defined by the first wall and the second wall and in communication with the liquid storage chamber through the first communication hole; a second communication hole formed in the second wall; and a labyrinth path. The labyrinth path is positioned upward relative to the air chamber, and has one end in communication with the second communication hole and another end in communication with the communication opening.
    Type: Application
    Filed: November 13, 2019
    Publication date: June 11, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuro KOBAYASHI, Hiroaki TAKAHASHI, Takahiro MIYAO, Fumio NAKAZAWA, Naoya OKAZAKI, Akihito ONO, Kosuke NUKUI, Hiroshi TAIRA, Toyonori SASAKI
  • Publication number: 20200156382
    Abstract: A liquid cartridge is configured to be inserted into an attachment portion of a printing device in an insertion direction and attached thereto in an upright posture. The liquid cartridge includes: a housing; a sealing member; a circuit board; and a support member. The housing includes: a liquid chamber; and a liquid passage. The sealing member is disposed in the liquid passage. The circuit board is positioned rearward in the insertion direction relative to the sealing member in the upright posture. The circuit board includes: a contact; and a memory. The contact of the cartridge is electrically connectable to a contact of the device. The memory is electrically connected to the contact of the cartridge. The support member supports the circuit board. The circuit board supported by the support member is resiliently movable upward and downward relative to the housing in the upright posture.
    Type: Application
    Filed: November 18, 2019
    Publication date: May 21, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki TAKAHASHI, Kosuke NUKUI, Takahiro MIYAO
  • Publication number: 20200062001
    Abstract: A liquid cartridge configured to be inserted into a cartridge-attachment section in an insertion direction includes a casing, and a lever supported by the casing. The lever is pivotable about a pivot axis between a first position and a second position. The lever includes a light-blocking portion configured to block or attenuate light traveling in a widthwise direction crossing the insertion direction and a gravitational direction, and a force-receiving portion positioned closer to a front wall of the casing than the light-blocking portion is to the front wall in the insertion direction. The light-blocking portion is positioned lower at the second position than at the first position. The pivot axis is positioned frontward of the light-blocking portion and rearward of the force-receiving portion in the insertion direction. The lever pivots from the second position to the first position upon application of an external force to the force-receiving portion.
    Type: Application
    Filed: September 6, 2019
    Publication date: February 27, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki TAKAHASHI, Takahiro MIYAO, Akihito ONO, Tetsuro KOBAYASHI, Fumio NAKAZAWA, Kosuke NUKUI
  • Patent number: 10532576
    Abstract: A liquid jetting apparatus includes: a head which jets liquid supplied from a liquid tank; a memory which stores pieces of reference data; and a controller which estimates viscosity of the liquid in the liquid tank every time a predefined time passes. The controller acquires a total supply amount or cumulative supply amount of the liquid supplied from the liquid tank and a supply amount of the liquid per unit time within the predefined time, estimates a viscosity change amount of the liquid in the liquid tank based on the cumulative supply amount acquired, the supply amount per unit time acquired, and the pieces of reference data, and estimates the viscosity of the liquid in the liquid tank based on the viscosity change amount estimated and the viscosity of the liquid in the liquid tank at an initial timing point or a most-recent estimation timing point.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: January 14, 2020
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Mikio Ogawa, Takahiro Miyao
  • Patent number: 10525715
    Abstract: There is provided a liquid cartridge configured to be inserted into an attachment portion of a printing device in an insertion direction crossing a gravitational direction and attached to the attachment portion in an upright posture. The liquid cartridge includes a liquid chamber storing liquid therein, a liquid passage extending forward in the insertion direction from the liquid chamber, a substrate, a contact and a memory electrically connected to the contact. The substrate has a first surface and a second surface opposite to each other. The first surface includes: a first region facing upward; and a second region lower than the first region in the upright posture. The contact is formed on the first region and is electrically connectable to a contact of the printing device. The memory is mounted on the substrate at a position lower than the contact of the cartridge in the upright posture.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 7, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuro Kobayashi, Takahiro Miyao, Hiroaki Takahashi
  • Publication number: 20200001611
    Abstract: A printing-fluid cartridge is inserted into a prescribed insertion space of a cartridge-attachment section in an insertion direction crossing a gravitational direction to be attached thereto in an attached posture. The printing-fluid cartridge includes: a housing including a storage chamber, a supply portion having a supply hole, an electrical interface disposed at an upper surface of the housing, and an interfering surface. The interfering surface is positioned upward of the storage chamber and extends in a widthwise direction of the housing. The interfering surface is positioned downward and frontward relative to the electrical interface and is configured to abut against a projection provided at another insertion space different from the prescribed insertion space of the cartridge-attachment section during an insertion of the printing-fluid cartridge into the another insertion space.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 2, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke NUKUI, Fumio NAKAZAWA, Suguru TOMOGUCHI, Hiroaki TAKAHASHI, Akihito ONO, Tetsuro KOBAYASHI, Takahiro MIYAO
  • Publication number: 20200001614
    Abstract: A printing-fluid cartridge is inserted into a printing-fluid consuming apparatus in an insertion direction crossing a gravitational direction and attached thereto in a first posture. The printing-fluid cartridge includes a front surface, a rear surface, a storage chamber, a supply portion having a supply port, an upper surface, an electrical interface disposed at the upper surface, and a locking surface. The printing-fluid cartridge inserted in the printing-fluid consuming apparatus is pivotable between the first posture and a second posture. The electrical interface is positioned closer to the supply port than the locking surface is to the supply port in the insertion direction. The electrical interface is positioned rearward relative to the pivot center in the insertion direction. The locking surface is positioned upward relative to the storage chamber and closer to a rearmost point of the printing-fluid cartridge than to the electrical interface in the insertion direction.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 2, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Fumio NAKAZAWA, Suguru TOMOGUCHI, Kosuke NUKUI, Hiroaki TAKAHASHI, Akihito ONO, Takahiro MIYAO
  • Patent number: 10513124
    Abstract: There is provided a liquid cartridge configured to be inserted into a cartridge-attachment section in an insertion direction crossing a gravitational direction and accommodated in the cartridge-attachment section in an upright posture. The liquid cartridge includes a casing, a movable member movably supported by the casing, and a circuit board provided at the movable member and facing upward in the upright posture. The movable member includes a receiving portion providing a receiving space that is open in the insertion direction and in a widthwise direction orthogonal to the insertion direction and the gravitational direction for receiving a protruding portion of the cartridge-attachment section in the insertion direction and in the widthwise direction. The receiving portion has a contact surface defining the receiving space and facing downward.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: December 24, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki Takahashi, Takahiro Miyao, Akihito Ono, Tetsuro Kobayashi, Fumio Nakazawa, Kosuke Nukui
  • Patent number: 10507665
    Abstract: A liquid cartridge is configured to be inserted into an attachment portion of a printing device in an insertion direction and attached thereto in an upright posture. The liquid cartridge includes: a housing; a sealing member; a circuit board; and a support member. The housing includes: a liquid chamber; and a liquid passage. The sealing member is disposed in the liquid passage. The circuit board is positioned rearward in the insertion direction relative to the sealing member in the upright posture. The circuit board includes: a contact; and a memory. The contact of the cartridge is electrically connectable to a contact of the device. The memory is electrically connected to the contact of the cartridge. The support member supports the circuit board. The circuit board supported by the support member is resiliently movable upward and downward relative to the housing in the upright posture.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 17, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki Takahashi, Kosuke Nukui, Takahiro Miyao
  • Publication number: 20190366726
    Abstract: A liquid cartridge is configured to be inserted into a cartridge-attachment section including a casing, a movable member, and an urging member. The casing includes a liquid chamber storing liquid therein; a liquid passage extending in a first direction in an upright posture, and a top surface. The top surface faces upward in the upright posture and formed with a recess. The movable member has a light blocking portion. The light blocking portion in the upright posture is configured to move between a first position and a second position. At least a part of the light blocking portion in the first position is positioned above the top surface in the upright posture. The urging member is configured to urge the movable member toward the first position.
    Type: Application
    Filed: June 24, 2019
    Publication date: December 5, 2019
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takahiro MIYAO, Akihito ONO, Hiroaki TAKAHASHI, Tetsuro KOBAYASHI, Fumio NAKAZAWA, Kosuke NUKUI
  • Patent number: 10493767
    Abstract: There is provided a liquid cartridge configured to be inserted into an attachment portion of a printing device in an insertion direction crossing a gravitational direction and attached to the attachment portion in an upright posture. The liquid cartridge includes a liquid chamber, a liquid passage, a substrate, a contact, and a memory electrically connected to the contact. The liquid passage extends forward in the insertion direction from the liquid chamber. The substrate has a first surface and a second surface opposite to each other. The first surface includes: a first region facing upward in the upright posture; and a second region aligned with the first region in the insertion direction in the upright posture. The second region has flexibility. The contact is formed on the first region of the substrate. The memory is mounted on the second surface or on the second region.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 3, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuro Kobayashi, Takahiro Miyao, Hiroaki Takahashi
  • Patent number: 10493765
    Abstract: A liquid cartridge includes: a cartridge casing having a liquid storage chamber; a first wall; a second wall; and an air communication passage. The first wall is positioned upward relative to the liquid storage chamber. The second wall is positioned upward relative to the first wall. The air communication passage has a first communication hole in communication with the liquid storage chamber and a communication opening open to an atmosphere. The air communication passage includes: an air chamber defined by the first wall and the second wall and in communication with the liquid storage chamber through the first communication hole; a second communication hole formed in the second wall; and a labyrinth path. The labyrinth path is positioned upward relative to the air chamber, and has one end in communication with the second communication hole and another end in communication with the communication opening.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: December 3, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuro Kobayashi, Hiroaki Takahashi, Takahiro Miyao, Fumio Nakazawa, Naoya Okazaki, Akihito Ono, Kosuke Nukui, Hiroshi Taira, Toyonori Sasaki