Patents by Inventor Kazumasa Harada

Kazumasa Harada 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).

  • Publication number: 20140009518
    Abstract: A recording apparatus includes a recording head performing recording on a recording medium, a carriage movable in a scanning direction of the recording head; a first guide member guiding the carriage in the scanning direction; a second guide member provided positioned at a predetermined distance in a direction intersecting the scanning direction with respect to the first guide member; a first gap adjusting unit provided on the carriage, and causing the housing of the carriage to displace in a direction changing the gap between a support face supporting a recording medium and the recording head; a second gap adjusting unit causing the housing of the carriage to displace by being synchronized with the first gap unit in a direction changing the gap; a synchronization unit.
    Type: Application
    Filed: July 5, 2013
    Publication date: January 9, 2014
    Inventors: Katsunari KUMAGAI, Kazumasa HARADA, Kazutoshi MATSUZAKI, Satoshi NAKATA, Hidetaka KAWATA
  • Publication number: 20140009541
    Abstract: A cartridge mounting mechanism includes a chamber that accommodates therein a cartridge introduced through a cartridge inlet formed as an opening directed upward, a biasing mechanism that biases the cartridge set in the chamber in an upward direction corresponding to a removal direction of the cartridge, and a holding mechanism configured to be engaged with the cartridge so as to restrict, against a biasing force of the biasing mechanism, the cartridge from moving in the removal direction when the cartridge is set in the chamber, and disengaged from the cartridge to release the cartridge from the restriction against the biasing force, upon being subjected to an external operating force.
    Type: Application
    Filed: July 5, 2013
    Publication date: January 9, 2014
    Inventors: Kazutoshi Matsuzaki, Kazumasa Harada, Yoshiyuki Okazawa
  • Publication number: 20140009540
    Abstract: An ink cartridge is formed with a cartridge-side engaging portion having a form inherent among a plurality of ink cartridges, and a cartridge mounting chamber in which the ink cartridges are mounted is formed with cartridge-mounting-chamber-side engaging portions, and these engaging portions constitute an erroneous mounting preventing structure.
    Type: Application
    Filed: July 5, 2013
    Publication date: January 9, 2014
    Inventors: Kazutoshi MATSUZAKI, Kazumasa HARADA, Keiji HARA, Tadahiro MIZUTANI, Izumi NOZAWA, Hidetoshi KODAMA, Isamu TOGASHI
  • Publication number: 20140009532
    Abstract: A recording device includes a liquid ejection head, a support unit that support a paper sheet, a transportation path along which the paper sheet is reversed and transported, and a transportation roller that transports the paper sheet, wherein a liquid absorbent is provided downstream in the transportation direction of the paper sheet relative to the transportation roller, and liquid absorbents are provided upstream in the transportation direction of the paper sheet relative to the transportation roller, and second liquid absorbent is provided between the liquid absorbent and the liquid absorbent.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 9, 2014
    Inventors: Masachika Nagase, Kazumasa Harada, Hirohisa Adachi, Eiji Taketsugu, Kazuhisa Takeda
  • Patent number: 8528892
    Abstract: A recording apparatus includes a lower tray that stores recording media therein, an upper tray that stores recording media therein and capable of being mounted on the lower tray, and an edge guide which is disposed on the lower tray and has a guide surface along which the sheet edge is guided, wherein the edge guide is configured such that, when the upper tray is not mounted on the lower tray, the guide surface extends to a space for storing recording media in the upper tray.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: September 10, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Kazuhisa Nakamura, Atsuhiko Takeuchi, Kazumasa Harada, Kensuke Tamai, Kazutoshi Matsuzaki
  • Publication number: 20130182049
    Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.
    Type: Application
    Filed: November 7, 2012
    Publication date: July 18, 2013
    Inventors: Hidetoshi KODAMA, Izumi NOZAWA, Tadahiro MIZUTANI, Kazutoshi MATSUZAKI, Kazumasa HARADA, Satoshi NAKATA, Hidetaka KAWATA
  • Publication number: 20130182046
    Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite (RD) from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.
    Type: Application
    Filed: November 7, 2012
    Publication date: July 18, 2013
    Inventors: Hidetoshi KODAMA, Izumi NOZAWA, Tadahiro MIZUTANI, Kazutoshi MATSUZAKI, Kazumasa HARADA, Satoshi NAKATA, Hidetaka KAWATA
  • Publication number: 20130182048
    Abstract: A printing material supply system includes a printing device and a cartridge. The printing device has a cartridge mounting structure. The cartridge is removably attached to the cartridge mounting structure. The cartridge mounting structure has a device-side terminal, a lever, a first device-side locking element and a second device-side locking element. The device-side terminal is configured to contact with a cartridge-side terminal. The first device-side locking element is configured as part of the lever. The second device-side locking element is configured to engage with a second locking surface of a second cartridge-side locking element. The cartridge-side terminal has a cartridge-side contact portion configured to be in contact with the device-side terminal. The cartridge-side contact portion is provided on the negative Z-axis side of the second locking surface.
    Type: Application
    Filed: March 2, 2012
    Publication date: July 18, 2013
    Inventors: Izumi Nozawa, Hidetoshi Kodama, Tadahiro Mizutani, Kazutoshi Matsuzaki, Kazumasa Harada, Satoshi Nakata, Hidetaka Kawata
  • Publication number: 20130182047
    Abstract: A printing material supply system includes a printing device and a cartridge. The printing device has a cartridge mounting structure. The cartridge is removably attached to the cartridge mounting structure. The cartridge mounting structure has a device-side terminal, a lever, a first device-side locking element and a second device-side locking element. The first device-side locking element is configured as part of the lever to lock the cartridge at a position on a positive Z-axis side and on a positive X-axis side of the device-side terminal. The second device-side locking element is configured to lock the cartridge at a position on a positive Z-axis side and on a negative X-axis side of the printing material supply tube.
    Type: Application
    Filed: March 2, 2012
    Publication date: July 18, 2013
    Inventors: Izumi NOZAWA, Hidetoshi KODAMA, Tadahiro MIZUTANI, Kazutoshi MATSUZAKI, Kazumasa HARADA, Satoshi NAKATA, Hidetaka KAWATA
  • Patent number: 8439482
    Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: May 14, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hidetoshi Kodama, Izumi Nozawa, Tadahiro Mizutani, Kazutoshi Matsuzaki, Kazumasa Harada, Satoshi Nakata, Hidetaka Kawata
  • Patent number: 8382249
    Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: February 26, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hidetoshi Kodama, Izumi Nozawa, Tadahiro Mizutani, Kazutoshi Matsuzaki, Kazumasa Harada, Satoshi Nakata, Hidetaka Kawata
  • Patent number: 8297739
    Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: October 30, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Hidetoshi Kodama, Izumi Nozawa, Tadahiro Mizutani, Kazutoshi Matsuzaki, Kazumasa Harada, Satoshi Nakata, Hidetaka Kawata
  • Patent number: 8297738
    Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: October 30, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Hidetoshi Kodama, Izumi Nozawa, Tadahiro Mizutani, Kazutoshi Matsuzaki, Kazumasa Harada, Satoshi Nakata, Hidetaka Kawata
  • Publication number: 20120195669
    Abstract: A sheet cassette includes a lower stage side tray that accommodates a sheet, an upper stage side tray that is slidable with respect to the lower stage side tray on an upper portion of the lower stage side tray and accommodates the sheet, and a discharged sheet tray that is slidable with respect to the upper stage side tray, is displaceable to a position to receive the sheet discharged after being recorded on, and covers an upper portion of the upper stage side tray. The upper stage side tray and the discharged sheet tray are configured to be driven by a driving unit, and the discharged sheet tray is displaced by the driving unit to a position to receive the sheet.
    Type: Application
    Filed: January 30, 2012
    Publication date: August 2, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuhisa NAKAMURA, Atsuhiko TAKEUCHI, Kazumasa HARADA, Kensuke TAMAI, Kazutoshi MATSUZAKI
  • Publication number: 20120175838
    Abstract: A recording apparatus includes a lower tray that stores recording media therein, an upper tray that stores recording media therein and capable of being mounted on the lower tray, and an edge guide which is disposed on the lower tray and has a guide surface along which the sheet edge is guided, wherein the edge guide is configured such that, when the upper tray is not mounted on the lower tray, the guide surface extends to a space for storing recording media in the upper tray.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 12, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuhisa Nakamura, Atsuhiko Takeuchi, Kazumasa Harada, Kensuke Tamai, Kazutoshi Matsuzaki
  • Publication number: 20120161381
    Abstract: A recording media cassette includes a lower tray that stores recording media therein, and an upper tray that stores recording media therein and is mounted on the lower tray so as to be detachable from the lower tray.
    Type: Application
    Filed: December 12, 2011
    Publication date: June 28, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuhisa Nakamura, Kensuke Tamai, Kazutoshi Matsuzaki, Atsuhiko Takeuchi, Kazumasa Harada
  • Patent number: 8123343
    Abstract: To enable a coupling terminal member of an ink cartridge and a coupling terminal of a printing apparatus to be in certain and increase a degree of freedom on installation position of a coupling terminal member of the cartridge, a cartridge installed in a printing apparatus for supplying the printing apparatus with ink includes an ink cartridge body for containing ink, an ink supply section on which an ink supply opening placed on or near a first sidewall of the ink cartridge body is formed, a memory for storing information on ink in the ink cartridge body, a contact terminal member on a second sidewall of the ink cartridge body coupled to the memory and a positioning member, which protrudes from the second sidewall, for positioning the ink cartridge properly with respect to the printing apparatus when the ink cartridge is installed in the printing apparatus.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: February 28, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Satoshi Shinada, Yasuto Sakai, Tomio Yokoyama, Kazuhiro Hashii, Atsuhiko Takeuchi, Kazumasa Harada
  • Publication number: 20100289206
    Abstract: A recording apparatus including a stacker which is configured to be displaced between a first posture for stacking a recording medium in an inclined state that a first end part which is distant from a recording position in a transport direction is located above a second end part which is near thereto, and a second posture for forming a transporting path of a straight line along which the recording medium is able to be transported toward the recording position; a first support unit which supports the first end part of the stacker to be able to rotate; and a second support unit which moves the second end part of the stacker upward and downward while supporting the second end part of the stacker to rotate the stacker centering around the first end part when the stacker is displaced between the first posture and the second posture.
    Type: Application
    Filed: May 13, 2010
    Publication date: November 18, 2010
    Applicant: Seiko Epson Corporation
    Inventors: Satoshi YOSHINO, Tetsuya MIYAGAWA, Kazumasa HARADA, Hidetoshi KODAMA
  • Patent number: 7830564
    Abstract: A method of obtaining a correction value of an optical sensor detecting an edge of the medium so as to generate detection information, includes: acquiring edge information on an edge position of one of opposite edges of the medium based on the detection information; forming on the medium a correction value obtainment pattern including lines that are arranged at a fixed interval in a first direction and parallel to a second direction perpendicular to the first direction and that include a reference line spaced a first distance from the edge position in the first direction and parallel to the second direction, based on the edge information; specifying a line spaced the first distance from the edge position in the first direction; obtaining a second distance in the first direction between the specified line and the reference line; and determining the second distance as an absolute value of the correction value.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: November 9, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Kazumasa Harada, Kazuhiro Hashii, Satoshi Nakata, Hirohisa Adachi
  • Patent number: 7802877
    Abstract: The ink cartridge includes an ink supply port formed at a position, offset to one side, of a wall configuring an ink container body; a positioning projecting portion, formed on one wall out of two opposing walls adjacent the wall, whose upper surface and side portion are regulated in position when the cartridge has been mounted on a recording apparatus; a lever, formed on the other wall out of the two walls, maintaining a normal hinged-open state and having a projection that is forcibly displaced outward when the cartridge is mounted on the recording apparatus; and electrodes that are connected to a memory unit storing information on the ink in an ink container and formed on the positioning projecting portion.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: September 28, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Kazuhiro Hashii, Satoshi Shinada, Yasuto Sakai, Kazumasa Harada, Kazuaki Aoki