Patents by Inventor Toyonori Sasaki

Toyonori Sasaki 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: 10350899
    Abstract: A printing-fluid containing device configured to be inserted into a cartridge attachment section in an insertion direction includes: a printing-fluid cartridge and an adaptor to which the cartridge is detachably assembled. The cartridge includes: a casing; a supply portion; a detection portion; and an engagement portion. The adaptor includes: an adaptor body; and an electrical interface. The detection portion includes a light accessible portion accessed by light from an outside of the cartridge. The engagement portion is engageable with the cartridge attachment section. The adaptor body has a front wall at its leading end in the insertion direction. The front wall has an opening through which the supply portion extends. The electrical interface is disposed on an outer surface of the adaptor body and electrically connectable to an electric contact of the cartridge attachment section.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 16, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke Nukui, Hiroaki Takahashi, Toyonori Sasaki
  • Patent number: 10286673
    Abstract: A liquid cartridge includes: a front surface facing frontward; a rear surface spaced apart from the front surface; an upper surface facing upward; a bottom surface disposed opposite to the upper surface and facing downward; a liquid supply portion disposed at the front surface; an electrical interface disposed at the upper surface; a detection portion; and an engaging portion disposed at the bottom surface and configured to protrude downward relative to the bottom surface. The upper surface and the bottom surface are disposed between the front surface and the rear surface. The detection portion includes a light-receiving portion positioned upward relative to the upper surface and configured to receive light. The detection portion is configured to change a state of the light received at the light-receiving portion depending on a state of the liquid cartridge. The engaging portion includes an engaging surface facing rearward.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: May 14, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki Takahashi, Kosuke Nukui, Toyonori Sasaki
  • Publication number: 20190009558
    Abstract: A printing-fluid containing device configured to be inserted into a cartridge attachment section in an insertion direction to be detachably attached to the cartridge attachment section includes a printing-fluid cartridge and an adaptor. The cartridge includes: a casing; a supply portion; and a detection portion. The adaptor, to which the printing-fluid cartridge is configured to be detachably assembled, includes: an adaptor body into which the printing-fluid cartridge is insertable; an electrical interface; and an engagement portion. The adaptor body has a leading end and a trailing end in the insertion direction. The adaptor body has a front wall at the leading end, has an opening through which the supply portion extends, and further has an outer surface. The electrical interface is disposed on the outer surface. The engagement portion is configured to engage with the cartridge attachment section.
    Type: Application
    Filed: July 16, 2018
    Publication date: January 10, 2019
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke NUKUI, Toyonori SASAKI, Hiroaki TAKAHASHI
  • Publication number: 20180272741
    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: July 31, 2017
    Publication date: September 27, 2018
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuro KOBAYASHI, Hiroaki TAKAHASHI, Takahiro MIYAO, Fumio NAKAZAWA, Naoya OKAZAKI, Akihito ONO, Kosuke NUKUI, Hiroshi TAIRA, Toyonori SASAKI
  • Patent number: 10022974
    Abstract: A printing-fluid containing device configured to be inserted into a cartridge attachment section in an insertion direction to be detachably attached to the cartridge attachment section includes a printing-fluid cartridge and an adaptor. The cartridge includes: a casing; a supply portion; and a detection portion. The adaptor, to which the printing-fluid cartridge is configured to be detachably assembled, includes: an adaptor body into which the printing-fluid cartridge is insertable; an electrical interface; and an engagement portion. The adaptor body has a leading end and a trailing end in the insertion direction. The adaptor body has a front wall at the leading end, has an opening through which the supply portion extends, and further has an outer surface. The electrical interface is disposed on the outer surface. The engagement portion is configured to engage with the cartridge attachment section.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 17, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke Nukui, Toyonori Sasaki, Hiroaki Takahashi
  • Publication number: 20180093485
    Abstract: A liquid cartridge includes: a front surface facing frontward; a rear surface spaced apart from the front surface; an upper surface facing upward; a bottom surface disposed opposite to the upper surface and facing downward; a liquid supply portion disposed at the front surface; an electrical interface disposed at the upper surface; a detection portion; and an engaging portion disposed at the bottom surface and configured to protrude downward relative to the bottom surface. The upper surface and the bottom surface are disposed between the front surface and the rear surface. The detection portion includes a light-receiving portion positioned upward relative to the upper surface and configured to receive light. The detection portion is configured to change a state of the light received at the light-receiving portion depending on a state of the liquid cartridge. The engaging portion includes an engaging surface facing rearward.
    Type: Application
    Filed: March 30, 2017
    Publication date: April 5, 2018
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroaki TAKAHASHI, Kosuke NUKUI, Toyonori SASAKI
  • Publication number: 20180093486
    Abstract: A printing-fluid containing device configured to be inserted into a cartridge attachment section in an insertion direction to be detachably attached to the cartridge attachment section includes a printing-fluid cartridge and an adaptor. The cartridge includes: a casing; a supply portion; and a detection portion. The adaptor, to which the printing-fluid cartridge is configured to be detachably assembled, includes: an adaptor body into which the printing-fluid cartridge is insertable; an electrical interface; and an engagement portion. The adaptor body has a leading end and a trailing end in the insertion direction. The adaptor body has a front wall at the leading end, has an opening through which the supply portion extends, and further has an outer surface. The electrical interface is disposed on the outer surface. The engagement portion is configured to engage with the cartridge attachment section.
    Type: Application
    Filed: March 30, 2017
    Publication date: April 5, 2018
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke NUKUI, Toyonori SASAKI, Hiroaki TAKAHASHI
  • Publication number: 20180093484
    Abstract: A printing-fluid containing device configured to be inserted into a cartridge attachment section in an insertion direction includes: a printing-fluid cartridge and an adaptor to which the cartridge is detachably assembled. The cartridge includes: a casing; a supply portion; a detection portion; and an engagement portion. The adaptor includes: an adaptor body; and an electrical interface. The detection portion includes a light accessible portion accessed by light from an outside of the cartridge. The engagement portion is engageable with the cartridge attachment section. The adaptor body has a front wall at its leading end in the insertion direction. The front wall has an opening through which the supply portion extends. The electrical interface is disposed on an outer surface of the adaptor body and electrically connectable to an electric contact of the cartridge attachment section.
    Type: Application
    Filed: March 30, 2017
    Publication date: April 5, 2018
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kosuke NUKUI, Hiroaki TAKAHASHI, Toyonori SASAKI
  • Patent number: 9315034
    Abstract: A liquid cartridge includes a liquid chamber, a valve chamber extending in a first direction away from the liquid chamber, first and second air channels, a movable body, and first and second sealing parts. The valve chamber is defined by a side wall surface and a proximal wall surface, the side wall surface extending in the first direction and having an annular-shaped cross-section and being formed with a first opening and a second opening separated from each other in a circumferential direction. The movable body is disposed within the valve chamber and movable in a in a second direction opposite to the first direction from a first state to a second state. In the first state, the first sealing part interrupts communication between the first and second openings. In the second state, the first opening and the second opening are in communication with each other.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: April 19, 2016
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Akihito Ono, Toyonori Sasaki
  • Patent number: 9126415
    Abstract: A print fluid cartridge has a print fluid supply portion integrally formed with a cartridge body and including a cylindrical side wall protruding outwardly from the cartridge body. At least a portion of a tubular member is disposed in the print fluid supply portion with a gap formed between the cylindrical side wall and a portion of the tubular member disposed in the print fluid supply portion. An elastic member is provided in the print fluid supply portion between a first end of the tubular member and a protruding-end wall of the print fluid supply portion, and is formed with a through-hole. A lid body is disposed in the tubular member to move between a first position and a second position. An urging member is disposed in the tubular member to urge the lid body in a direction toward the first position.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: September 8, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Toyonori Sasaki
  • Publication number: 20150224780
    Abstract: A liquid cartridge includes a liquid chamber, a valve chamber extending in a first direction away from the liquid chamber, first and second air channels, a movable body, and first and second sealing parts. The valve chamber is defined by a side wall surface and a proximal wall surface, the side wall surface extending in the first direction and having an annular-shaped cross-section and being formed with a first opening and a second opening separated from each other in a circumferential direction. The movable body is disposed within the valve chamber and movable in a in a second direction opposite to the first direction from a first state to a second state. In the first state, the first sealing part interrupts communication between the first and second openings. In the second state, the first opening and the second opening are in communication with each other.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 13, 2015
    Inventors: Akihito Ono, Toyonori Sasaki
  • Patent number: 9022539
    Abstract: An ink cartridge includes a cartridge body, an ink supply portion and an air communication portion provided at the cartridge body, a block member and a slider. The air communication portion has an inner peripheral wall defining an air passage, and a communication port for allowing communication between an ink chamber and the air passage. The block member moves from a first position to a second position by contact with the slider sliding in a sliding direction to block and open the air passage. The slider includes: a first cylindrical portion having an upstream through-hole penetrating therethrough; a second cylindrical portion having a downstream through-hole penetrating therethrough and communicating with the upstream through-hole; and a semipermeable membrane closing the upstream through-hole. The slider has a contact portion in close contact with the inner peripheral wall and positioned upstream of the block member at the first position in the sliding direction.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: May 5, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Tetsuro Kobayashi, Toyonori Sasaki
  • Patent number: 8985743
    Abstract: A printing fluid cartridge includes a cartridge body, an electric interface, and a support member at which the electric interface is provided. The cartridge body is configured to hold the support member, such that the support member is movable relative to the cartridge body. A cartridge mounting portion includes a sandwiching portion configured to sandwich the support member.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: March 24, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Toyonori Sasaki
  • Publication number: 20140285590
    Abstract: A print fluid cartridge has a print fluid supply portion integrally formed with a cartridge body and including a cylindrical side wall protruding outwardly from the cartridge body. At least a portion of a tubular member is disposed in the print fluid supply portion with a gap formed between the cylindrical side wall and a portion of the tubular member disposed in the print fluid supply portion. An elastic member is provided in the print fluid supply portion between a first end of the tubular member and a protruding-end wall of the print fluid supply portion, and is formed with a through-hole. A lid body is disposed in the tubular member to move between a first position and a second position. An urging member is disposed in the tubular member to urge the lid body in a direction toward the first position.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 25, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Toyonori Sasaki
  • Publication number: 20140168324
    Abstract: A printing fluid cartridge includes a cartridge body, an electric interface, and a support member at which the electric interface is provided. The cartridge body is configured to hold the support member, such that the support member is movable relative to the cartridge body. A cartridge mounting portion includes a sandwiching portion configured to sandwich the support member.
    Type: Application
    Filed: November 15, 2013
    Publication date: June 19, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Toyonori SASAKI
  • Publication number: 20140168325
    Abstract: An ink cartridge includes a cartridge body, an ink supply portion and an air communication portion provided at the cartridge body, a block member and a slider. The air communication portion has an inner peripheral wall defining an air passage, and a communication port for allowing communication between an ink chamber and the air passage. The block member moves from a first position to a second position by contact with the slider sliding in a sliding direction to block and open the air passage. The slider includes: a first cylindrical portion having an upstream through-hole penetrating therethrough; a second cylindrical portion having a downstream through-hole penetrating therethrough and communicating with the upstream through-hole; and a semipermeable membrane closing the upstream through-hole. The slider has a contact portion in close contact with the inner peripheral wall and positioned upstream of the block member at the first position in the sliding direction.
    Type: Application
    Filed: November 25, 2013
    Publication date: June 19, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuro Kobayashi, Toyonori Sasaki
  • Patent number: 8616687
    Abstract: A cartridge includes a main body with a chamber formed therein that receives an imaging material, a circuit board having at least one opening formed through the circuit board; and an electrode disposed on the circuit board. The main body includes a support surface that supports the circuit board, a first protrusion protruding from the support surface and that contacting a first surface of the circuit board. The first surface of the circuit board extends in a direction perpendicular to the support surface. The main body also includes a second protrusion protruding from the support surface and disposed in the at least one opening. The second protrusion includes an end portion that covers a portion of the circuit board. In addition, a method for manufacturing the cartridge.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 31, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yuki Takagi, Toyonori Sasaki, Tomohiro Kanbe, Hirotake Nakamura
  • Patent number: 8616686
    Abstract: A cartridge includes a main body having a chamber formed therein for receiving an imaging material, a circuit board having a first opening and a second opening formed through the circuit board, and an electrode disposed on the circuit board. The main body includes a support surface that supports the circuit board; a first protrusion and a second protrusion protruding from the support surface, such that a portion of the first protrusion is disposed in the first opening of the circuit board and a portion of the second protrusion is disposed in the second opening of the circuit board, and a third protrusion protruding from the support surface. A portion of the third protrusion contacts a first surface of the circuit board facing away from the support surface. A method for manufacturing the cartridge.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 31, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yuki Takagi, Toyonori Sasaki, Tomohiro Kanbe, Hirotake Nakamura
  • Patent number: 8534816
    Abstract: A cartridge includes a main body having a chamber formed therein and configured to receive an imaging material, a circuit board having a first opening and a second opening formed through the circuit board, and an electrode disposed on the circuit board. The main body includes a support surface that supports the circuit board, a first protrusion and a second protrusion protruding from the support surface, such that a portion of the first protrusion is disposed in the first opening of the circuit board and a portion of the second protrusion is disposed in the second opening of the circuit board, a third protrusion protruding from the support surface adjacent to the circuit board; and a fixing element that contacts a portion of the circuit board and a portion of the third protrusion to affix the circuit board to the support surface of the main body.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 17, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yuki Takagi, Toyonori Sasaki, Tomohiro Kanbe, Hirotake Nakamura
  • Publication number: 20130162729
    Abstract: A cartridge includes a main body having a chamber formed therein for receiving an imaging material, a circuit board having a first opening and a second opening formed through the circuit board, and an electrode disposed on the circuit board. The main body includes a support surface that supports the circuit board; a first protrusion and a second protrusion protruding from the support surface, such that a portion of the first protrusion is disposed in the first opening of the circuit board and a portion of the second protrusion is disposed in the second opening of the circuit board, and a third protrusion protruding from the support surface. A portion of the third protrusion contacts a first surface of the circuit board facing away from the support surface. A method for manufacturing the cartridge.
    Type: Application
    Filed: September 14, 2012
    Publication date: June 27, 2013
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yuki TAKAGI, Toyonori SASAKI, Tomohiro KANBE, Hirotake NAKAMURA