Patents by Inventor Toshinobu YAMAZAKI

Toshinobu YAMAZAKI 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: 9527301
    Abstract: A liquid ejecting apparatus comprises: a supply passage through which liquid is supplied from a liquid supply source to a liquid ejecting unit; a filter housing portion provided in the supply passage, a first filter being provided inside the filter housing portion; a circulation passage forming portion, one end of which is connected to a space portion located closer to the liquid supply source than the first filter is, the other end of which is connected on the supply passage to a position closer to the liquid supply source than the first filter is, thereby forming a circulation passage; a foreign object separation unit that works with a flow pump, which is a pump for circulation of the liquid through the circulation passage, to cause a foreign object to come off from the first filter; and a second filter that is detachably provided on the circulation passage.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: December 27, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Shigenori Nakagawa, Keiji Matsumoto, Toshinobu Yamazaki, Masahiko Sato, Makoto Otsuki
  • Publication number: 20160288536
    Abstract: Provided is an air jet emission method used in a recording apparatus. The recording apparatus performs predetermined printing by ejecting ink droplets from a recording head provided in an apparatus body onto a medium. The medium is fed into the apparatus body while being guided by a guide and is transported from an upstream side, which is one side with respect to the apparatus body, toward a downstream side, which is an opposite side with respect to the apparatus body. The air jet emission method comprises: emitting a jet of air onto a surface of the transported medium at a predetermined area over a heating device at the upstream side, thereby blowing dust off the surface of the transported medium. The heating device is provided in the guide so as to apply heat to the transported medium.
    Type: Application
    Filed: March 23, 2016
    Publication date: October 6, 2016
    Inventors: Shigeki SUZUKI, Toshinobu YAMAZAKI, Masahiko SATO
  • Publication number: 20160257118
    Abstract: A liquid ejecting head includes a driving element for ejecting a liquid from a nozzle; a wiring electrically connected to the driving element; an accommodation space that accommodates at least a portion of the wiring; and dummy wirings which are arranged in the accommodation space and adsorb sulfur.
    Type: Application
    Filed: February 10, 2016
    Publication date: September 8, 2016
    Inventors: Hiroyuki Kobayashi, Hiroyuki Hagiwara, Toshinobu Yamazaki
  • Patent number: 9409398
    Abstract: Provided is a maintenance unit that is detachably attached to a liquid ejecting apparatus including a liquid ejecting section for ejecting liquid, the maintenance unit including: a maintenance section that is used for maintenance of the liquid ejecting section; and a recording target section in which information related to the maintenance section is recorded by the liquid that is ejected by the liquid ejecting section in a visibly recognizable manner.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: August 9, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Shigenori Nakagawa, Keiji Matsumoto, Toshinobu Yamazaki, Masahiko Sato
  • Publication number: 20160167390
    Abstract: A liquid ejecting apparatus comprises: a supply passage through which liquid is supplied from a liquid supply source to a liquid ejecting unit; a filter housing portion provided in the supply passage, a first filter being provided inside the filter housing portion; a circulation passage forming portion, one end of which is connected to a space portion located closer to the liquid supply source than the first filter is, the other end of which is connected on the supply passage to a position closer to the liquid supply source than the first filter is, thereby forming a circulation passage; a foreign object separation unit that works with a flow pump, which is a pump for circulation of the liquid through the circulation passage, to cause a foreign object to come off from the first filter; and a second filter that is detachably provided on the circulation passage.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 16, 2016
    Inventors: Shigenori NAKAGAWA, Keiji MATSUMOTO, Toshinobu YAMAZAKI, Masahiko SATO, Makoto OTSUKI
  • Publication number: 20160167364
    Abstract: A liquid ejecting apparatus includes: a liquid ejecting unit that ejects a liquid supplied through a liquid supply path from a nozzle; a maintenance unit that performs a maintenance operation of the liquid ejecting unit; and an ejection state detecting unit that is able to detect a state inside a pressure chamber communicating with the nozzle. The ejection state detecting unit detects a state inside the pressure chamber before the maintenance operation and at least one state inside the pressure chamber during the maintenance operation or after the maintenance operation, and is able to determine malfunction of at least one of the maintenance unit and function units arranged in the liquid supply path based on a change in a state inside the pressure chamber due to the maintenance operation.
    Type: Application
    Filed: December 7, 2015
    Publication date: June 16, 2016
    Inventors: Keiji Matsumoto, Shigenori Nakagawa, Masahiko Sato, Toshinobu Yamazaki, Toshiyuki Suzuki, Takeshi Yoshida
  • Publication number: 20160144626
    Abstract: Provided is a maintenance unit that is detachably attached to a liquid ejecting apparatus including a liquid ejecting section for ejecting liquid, the maintenance unit including: a maintenance section that is used for maintenance of the liquid ejecting section; and a recording target section in which information related to the maintenance section is recorded by the liquid that is ejected by the liquid ejecting section in a visibly recognizable manner.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 26, 2016
    Inventors: Shigenori NAKAGAWA, Keiji Matsumoto, Toshinobu Yamazaki, Masahiko Sato
  • Publication number: 20160144628
    Abstract: A liquid ejecting apparatus includes a liquid ejecting unit which can eject liquid from a nozzle; a supply flow path through which liquid is supplied to the nozzle; a pressure adjusting unit which includes a pressure chamber which can store liquid; a storage chamber at least a part of which is formed by a gas permeable unit, and which stores liquid; a connection flow path which connects a space including a flow path portion from the pressure chamber to the nozzle and the pressure chamber, and the storage chamber; an opening-closing valve which can switch a communicating state between the space and the storage chamber through the connection flow path; and a pressurizing unit which pressurizes the storage chamber when the opening-closing valve is in the closed state.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 26, 2016
    Inventors: Masahiko SATO, Keiji MATSUMOTO, Shigenori NAKAGAWA, Toshinobu YAMAZAKI
  • Patent number: 9346271
    Abstract: A liquid ejecting head includes a fixing plate which includes a bottom surface which is fixed onto the nozzle surface of each of a plurality of head units which are provided to line up in a state in which a first gap is formed along a first direction, and a first side surface which extends from an edge of the bottom surface which is positioned closer to an outside in the first direction than the lined-up head units to the head unit side. The fixing plate includes a second gap which is formed between the first side surface and the head units which are positioned at ends in the first direction among the head units. The liquid ejecting head also includes a second outer circumferential mold which fills at least a portion of the first gap, and a third outer circumferential mold which fills at least a portion of the second gap.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: May 24, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Kobayashi, Hiroshige Owaki, Toshinobu Yamazaki, Hiroyuki Hagiwara
  • Publication number: 20160114582
    Abstract: Provided is a liquid ejecting head including: a first board on which a driving element for ejecting liquid is installed; a second board which is installed on the surface of the first board and covers the driving element; a wiring board that includes a first surface on which a wiring, where a driving signal is supplied to the driving element, is formed and a second surface that is at the opposite side to the first surface, and where the first surface of a first end section is joined to the surface of the first board; and a filling material which covers the wiring by being formed at least between the first surface and a wall surface of the second board, in which the height of the filling material with respect to the surface of the first board is high at the first surface side in comparison to the second surface side.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 28, 2016
    Inventors: Hiroyuki HAGIWARA, Toshinobu YAMAZAKI, Kentaro MURAKAMI, Isao TAKIMOTO, Hidekazu TODOROKI, Tomoo KINOSHITA, Takayuki SHIMOSAKA, Kazushige HAKEDA
  • Publication number: 20160031210
    Abstract: A liquid ejecting head includes a fixing plate which includes a bottom surface which is fixed onto the nozzle surface of each of a plurality of head units which are provided to line up in a state in which a first gap is formed along a first direction, and a first side surface which extends from an edge of the bottom surface which is positioned closer to an outside in the first direction than the lined-up head units to the head unit side. The fixing plate includes a second gap which is formed between the first side surface and the head units which are positioned at ends in the first direction among the head units. The liquid ejecting head also includes a second outer circumferential mold which fills at least a portion of the first gap, and a third outer circumferential mold which fills at least a portion of the second gap.
    Type: Application
    Filed: June 26, 2015
    Publication date: February 4, 2016
    Inventors: Hiroyuki KOBAYASHI, Hiroshige OWAKI, Toshinobu YAMAZAKI, Hiroyuki HAGIWARA
  • Patent number: 9248644
    Abstract: A liquid ejecting apparatus includes a head that ejects an ink from a nozzle opening; a moving unit that moves the head; and a heating unit that sets a temperature of a recording sheet onto which the ink is ejected from the head. Before the head ejects the ink onto the recording sheet, the moving unit is moved, and the head is moved to a position opposing a platen and an upper heater, which is a position to where heat radiated from the heating unit is transferred.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: February 2, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Toshinobu Yamazaki
  • Patent number: 9186883
    Abstract: A liquid container capable of containing a liquid has a flow passage that is formed in the liquid container and through which the liquid flows, and a filter 166 provided in the middle of the flow passage. The filter 166 inclines in a direction with respect to the horizontal direction.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: November 17, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Ono, Ryoichi Tanaka, Toshinobu Yamazaki, Shigenori Nakagawa, Takeshi Iwamuro, Naoki Naito
  • Publication number: 20150246529
    Abstract: A liquid ejecting apparatus includes a head that ejects an ink from a nozzle opening; a moving unit that moves the head; and a heating unit that sets a temperature of a recording sheet onto which the ink is ejected from the head. Before the head ejects the ink onto the recording sheet, the moving unit is moved, and the head is moved to a position opposing a platen and an upper heater, which is a position to where heat radiated from the heating unit is transferred.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Inventor: Toshinobu YAMAZAKI
  • Patent number: 9061502
    Abstract: A liquid ejecting apparatus includes a head that ejects an ink from a nozzle opening; a moving unit that moves the head; and a heating unit that sets a temperature of a recording sheet onto which the ink is ejected from the head. Before the head ejects the ink onto the recording sheet, the moving unit is moved, and the head is moved to a position opposing a platen and an upper heater, which is a position to where heat radiated from the heating unit is transferred.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: June 23, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Toshinobu Yamazaki
  • Publication number: 20150062266
    Abstract: A liquid container capable of containing a liquid has a flow passage that is formed in the liquid container and through which the liquid flows, and a filter 166 provided in the middle of the flow passage. The filter 166 inclines in a direction with respect to the horizontal direction.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventors: Atsushi Ono, Ryoichi Tanaka, Toshinobu Yamazaki, Shigenori Nakagawa, Takeshi Iwamuro, Naoki Naito
  • Patent number: 8851621
    Abstract: A liquid ejecting head has a flow channel substrate, an actuator formed on the flow channel substrate and having at least one mount, and a flexible wiring substrate electrically connected to the mount to supply a drive signal to the actuator. The mount of the actuator and the wiring substrate are bonded together using an epoxy adhesive agent containing p-aminophenol epoxy resin, bisphenol A epoxy resin, and bisphenol F epoxy resin.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: October 7, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Masahiko Sato, Munehide Kanaya, Toshinobu Yamazaki
  • Publication number: 20140292885
    Abstract: A liquid ejecting apparatus includes a head that ejects an ink from a nozzle opening; a moving unit that moves the head; and a heating unit that sets a temperature of a recording sheet onto which the ink is ejected from the head. Before the head ejects the ink onto the recording sheet, the moving unit is moved, and the head is moved to a position opposing a platen and an upper heater, which is a position to where heat radiated from the heating unit is transferred.
    Type: Application
    Filed: March 25, 2014
    Publication date: October 2, 2014
    Applicant: Seiko Epson Corporation
    Inventor: Toshinobu YAMAZAKI
  • Publication number: 20140238926
    Abstract: A liquid holding container includes a liquid accommodating chamber, a flow path, and a filter. The liquid accommodating chamber is configured and arranged to hold liquid. The flow path is communicated with the liquid accommodating chamber via a first through hole and a second through hole. The filter is disposed in the flow path. The first through hole and the second through hole are each communicated with the flow path.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Ken YAMAGISHI, Toshinobu YAMAZAKI, Takeshi IWAMURO, Shigenori NAKAGAWA, Ryoichi TANAKA
  • Publication number: 20130258001
    Abstract: A liquid ejecting head has a flow channel substrate, an actuator formed on the flow channel substrate and having at least one mount, and a flexible wiring substrate electrically connected to the mount to supply a drive signal to the actuator. The mount of the actuator and the wiring substrate are bonded together using an epoxy adhesive agent containing p-aminophenol epoxy resin, bisphenol A epoxy resin, and bisphenol F epoxy resin.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 3, 2013
    Applicant: Seiko Epson Corporation
    Inventors: Masahiko SATO, Munehide KANAYA, Toshinobu YAMAZAKI