Patents by Inventor Keiji Ohta

Keiji Ohta 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: 10686119
    Abstract: A piezoelectric device includes a body provided with a first region and a second region lined along a first direction. The first region deformably extends/contracts along the first direction. The second region deformably curves in such a manner that one or the other side in a second direction intersecting the first direction curves outward.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: June 16, 2020
    Assignee: TDK CORPORATION
    Inventors: Yoshiki Ohta, Masaichi Miyano, Keiji Oguchi
  • Patent number: 10682867
    Abstract: A card processing device may include a card reader and a printer. The printer may include an ink ribbon cartridge; a thermal head; and a cover member. The ink ribbon cartridge may include a supply roll and a take-up roll. The thermal head may heat the ink ribbon and transfer ink to the card. The card reader may be on a front side of the thermal head, and a part of the card reader may be on a lower side of the supply roll or the take-up roll. The cover member may pivot between a closed position and open position. A conveyance path may be provided inside the card reader and the printer. A part of the conveyance path inside the card reader may be a first conveyance path. The card reader may include an upper frame. The upper frame may pivot between a closed position and open position.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: June 16, 2020
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Keiji Ohta, Satoshi Yokoyama
  • Patent number: 10668360
    Abstract: A card collection may include a box-shaped card storing portion having an open top, in which the collected cards are stacked. The the card storing portion may include a front portion configuring, a rear portion configuring, two side portions, and a plate-shaped placement board having a placement surface on which the cards are to be placed. The placement surface is inclined upward toward a front side. A rear end of the placement board is connected to the rear portion, a front end of the placement board is separated from the front portion and at least front portions at the left and right ends of the placement board are separated from the side portions, and the placement board, the front side of which moves in the top-bottom direction, can be elastically deformed.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: June 2, 2020
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Ryo Uchiyama, Keiji Ohta
  • Patent number: 10635953
    Abstract: A card feed-out device may include a card housing; a feed-out claw; a claw feed mechanism; a gate member; and a gate moving mechanism. A front opening is formed in a lower end of a front surface of the card housing. A lower opening is formed in a front end of a lower surface portion of the card housing. The gate member may include a front surface and a bottom surface. The gate may be formed between a lower end surface of the front surface and a top surface of the bottom surface. During standby, the gate member is at a retracted position. When the first card is fed out, the gate member moves until at least a part of the bottom surface passes through an upper end of the lower opening, and a lower surface of the gate is disposed above the top surface of the housing bottom surface.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: April 28, 2020
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Keiji Ohta
  • Patent number: 10586134
    Abstract: A card issuing device may include a plurality of card feeding mechanisms, each including a card accommodating unit; and a card transmitting mechanism; and a card processing mechanism. The plurality of card feeding mechanisms are aligned in the front-and-back direction. The card processing mechanism is positioned in front of a card feeding mechanism positioned farthest to the front. The card transmitting mechanism is structured to transmit the card toward the front. A first card feeding mechanism may include a card conveying path. The card conveying path is positioned below the card at the bottom accommodated in the card accommodating unit of the first card feeding mechanism. The card conveying path may include a card conveying mechanism configured to convey the card through the card conveying path.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 10, 2020
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Keiji Ohta, Ryo Uchiyama
  • Patent number: 10552726
    Abstract: A card-type medium counting mechanism that calculates the number of card-type medium held so as to stack in a thickness direction, which is capable of improving the accuracy with which the number of card-type medium is counted, is provided. A card-type medium counting mechanism that calculates the number of card-type medium includes optical sensors that calculate the number of the card-type medium held so as to stack in a thickness direction of the card-type medium, a carriage to which the sensors are mounted, a circuit board that is fixed to the carriage, and a carriage driving mechanism that moves the carriage such that the sensors move along an end surface of the card-type medium. In this card-type medium counting mechanism, a processing circuit that processes an output signal from the sensors and outputs a digital signal is mounted to the circuit board.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: February 4, 2020
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Keiji Ohta
  • Publication number: 20200016909
    Abstract: A card processing device may include a print unit and a card inverting unit that inverts front/rear of the card. The print unit may include a thermal head and a card conveyance mechanism. The card inverting unit may include a card holding part, a card drawing and feeding mechanism, and a rotating mechanism that rotates the card holding part. A conveyance path may be provided inside the card holding part. The conveyance path may be linear. The card drawing and feeding mechanism may include two drive rollers, and two pad rollers. A distance between a center of the drive roller and a center of the thermal head may be shorter than a length of the card. The thermal head may print on the card while the card conveyance mechanism conveys the card. The rotating mechanism may rotate the card holding part such that the conveyance path is inclined.
    Type: Application
    Filed: September 4, 2017
    Publication date: January 16, 2020
    Inventors: Keiji OHTA, Satoshi YOKOYAMA
  • Publication number: 20190275809
    Abstract: A card processing device may include a card reader and a printer. The printer may include an ink ribbon cartridge; a thermal head; and a cover member. The ink ribbon cartridge may include a supply roll and a take-up roll. The thermal head may heat the ink ribbon and transfer ink to the card. The card reader may be on a front side of the thermal head, and a part of the card reader may be on a lower side of the supply roll or the take-up roll. The cover member may pivot between a closed position and open position. A conveyance path may be provided inside the card reader and the printer. A part of the conveyance path inside the card reader may be a first conveyance path. The card reader may include an upper frame. The upper frame may pivot between a closed position and open position.
    Type: Application
    Filed: September 4, 2017
    Publication date: September 12, 2019
    Inventors: Keiji OHTA, Satoshi YOKOYAMA
  • Publication number: 20190118071
    Abstract: A card collection may include a box-shaped card storing portion having an open top, in which the collected cards are stacked. The the card storing portion may include a front portion configuring, a rear portion configuring, two side portions, and a plate-shaped placement board having a placement surface on which the cards are to be placed. The placement surface is inclined upward toward a front side. A rear end of the placement board is connected to the rear portion, a front end of the placement board is separated from the front portion and at least front portions at the left and right ends of the placement board are separated from the side portions, and the placement board, the front side of which moves in the top-bottom direction, can be elastically deformed.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 25, 2019
    Inventors: Ryo UCHIYAMA, Keiji OHTA
  • Publication number: 20190012583
    Abstract: A card issuing device may include a plurality of card feeding mechanisms, each including a card accommodating unit; and a card transmitting mechanism; and a card processing mechanism. The plurality of card feeding mechanisms are aligned in the front-and-back direction. The card processing mechanism is positioned in front of a card feeding mechanism positioned farthest to the front. The card transmitting mechanism is structured to transmit the card toward the front. A first card feeding mechanism may include a card conveying path. The card conveying path is positioned below the card at the bottom accommodated in the card accommodating unit of the first card feeding mechanism. The card conveying path may include a card conveying mechanism configured to convey the card through the card conveying path.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 10, 2019
    Inventors: Keiji OHTA, Ryo UCHIYAMA
  • Publication number: 20180365538
    Abstract: A card feed-out device may include a card housing; a feed-out claw; a claw feed mechanism; a gate member; and a gate moving mechanism. A front opening is formed in a lower end of a front surface of the card housing. A lower opening is formed in a front end of a lower surface portion of the card housing. The gate member may include a front surface and a bottom surface. The gate may be formed between a lower end surface of the front surface and a top surface of the bottom surface. During standby, the gate member is at a retracted position. When the first card is fed out, the gate member moves until at least a part of the bottom surface passes through an upper end of the lower opening, and a lower surface of the gate is disposed above the top surface of the housing bottom surface.
    Type: Application
    Filed: December 2, 2016
    Publication date: December 20, 2018
    Inventor: Keiji OHTA
  • Publication number: 20180322379
    Abstract: A card-type medium counting mechanism that calculates the number of card-type medium held so as to stack in a thickness direction, which is capable of improving the accuracy with which the number of card-type medium is counted, is provided. A card-type medium counting mechanism that calculates the number of card-type medium includes optical sensors that calculate the number of the card-type medium held so as to stack in a thickness direction of the card-type medium, a carriage to which the sensors are mounted, a circuit board that is fixed to the carriage, and a carriage driving mechanism that moves the carriage such that the sensors move along an end surface of the card-type medium. In this card-type medium counting mechanism, a processing circuit that processes an output signal from the sensors and outputs a digital signal is mounted to the circuit board.
    Type: Application
    Filed: August 3, 2016
    Publication date: November 8, 2018
    Inventor: Keiji OHTA
  • Publication number: 20180218180
    Abstract: An attaching structure of a card processing unit may include the card processing unit and an attaching frame. The attaching frame includes a frame side restriction part that restricts a movement of the card processing unit in a conveying direction, a thickness direction and a width direction of a card, and the card processing unit includes a processing unit side restriction part structured to engage with the frame side restriction part. For example, the frame side restriction part includes an engaging part structured to engage with a part of the processing unit side restriction part to restrict the movement of the card processing unit. The engaging part is an elastic piece capable of being elastically deformed from a restricting position where the movement of the card processing unit is restricted to a release position and the engaging part is engaged with the processing unit side restriction part by snap fitting.
    Type: Application
    Filed: January 26, 2018
    Publication date: August 2, 2018
    Inventors: Ryo UCHIYAMA, Keiji OHTA
  • Patent number: 9751707
    Abstract: The purpose of the present invention is to provide a card conveying mechanism capable of conveying a card in a horizontal direction and allowing for less space in a higher-level apparatus to be taken up even if the card conveying mechanism is capable of making the card parallel to the horizontal direction or tilting the card relative to the horizontal direction. The card conveying mechanism is provided with a card holder that has a draw and feed mechanism for drawing and feeding a card and temporarily holds the card therein, a draw and feed driving mechanism for driving the draw and feed mechanism, a carriage where the card holder is mounted, a carriage driving mechanism for moving the carriage linearly in a horizontal direction perpendicular to a direction in which the card is drawn into the card holder and a rotating mechanism for rotating the card holder with respect to the carriage around an axis in which the carriage moves.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: September 5, 2017
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Keiji Ohta
  • Patent number: 9656478
    Abstract: An ink ribbon cartridge may include a supply roll; a winding roll; and a power transmission mechanism to transmit power from a drive source to the supply roll and the winding roll. A direction in which an ink ribbon is wound by the winding roll is a ribbon winding direction and a direction in which the ink ribbon is wound by the supply roll is a ribbon rewinding direction. The power transmission mechanism may include a winding side one-way clutch to transmit a driving force in the ribbon winding direction to the winding roll and cut off transmission of the driving force in the ribbon rewinding direction to the winding roll; and a supply side one-way clutch to transmit the driving force in the ribbon rewinding direction to the supply roll and cuts off transmission of the driving force in the ribbon winding direction to the supply roll.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: May 23, 2017
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Keiji Ohta
  • Publication number: 20170107069
    Abstract: The purpose of the present invention is to provide a card conveying mechanism capable of conveying a card in a horizontal direction and allowing for less space in a higher-level apparatus to be taken up even if the card conveying mechanism is capable of making the card parallel to the horizontal direction or tilting the card relative to the horizontal direction. The card conveying mechanism is provided with a card holder that has a draw and feed mechanism for drawing and feeding a card and temporarily holds the card therein, a draw and feed driving mechanism for driving the draw and feed mechanism, a carriage where the card holder is mounted, a carriage driving mechanism for moving the carriage linearly in a horizontal direction perpendicular to a direction in which the card is drawn into the card holder and a rotating mechanism for rotating the card holder with respect to the carriage around an axis in which the carriage moves.
    Type: Application
    Filed: March 5, 2015
    Publication date: April 20, 2017
    Inventor: Keiji OHTA
  • Publication number: 20170021637
    Abstract: An ink ribbon cartridge may include a supply roll; a winding roll; and a power transmission mechanism to transmit power from a drive source to the supply roll and the winding roll. A direction in which an ink ribbon is wound by the winding roll is a ribbon winding direction and a direction in which the ink ribbon is wound by the supply roll is a ribbon rewinding direction. The power transmission mechanism may include a winding side one-way clutch to transmit a driving force in the ribbon winding direction to the winding roll and cut off transmission of the driving force in the ribbon rewinding direction to the winding roll; and a supply side one-way clutch to transmit the driving force in the ribbon rewinding direction to the supply roll and cuts off transmission of the driving force in the ribbon winding direction to the supply roll.
    Type: Application
    Filed: October 7, 2016
    Publication date: January 26, 2017
    Inventor: Keiji OHTA
  • Patent number: 9498996
    Abstract: An ink ribbon cartridge may include a supply roll; a winding roll; and a power transmission mechanism to transmit power from a drive source to the supply roll and the winding roll. A direction in which an ink ribbon is wound by the winding roll is a ribbon winding direction and a direction in which the ink ribbon is wound by the supply roll is a ribbon rewinding direction. The power transmission mechanism may include a winding side one-way clutch to transmit a driving force in the ribbon winding direction to the winding roll and cut off transmission of the driving force in the ribbon rewinding direction to the winding roll; and a supply side one-way clutch to transmit the driving force in the ribbon rewinding direction to the supply roll and cuts off transmission of the driving force in the ribbon winding direction to the supply roll.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: November 22, 2016
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Keiji Ohta
  • Publication number: 20160250874
    Abstract: An ink ribbon cartridge may include a supply roll; a winding roll; and a power transmission mechanism to transmit power from a drive source to the supply roll and the winding roll. A direction in which an ink ribbon is wound by the winding roll is a ribbon winding direction and a direction in which the ink ribbon is wound by the supply roll is a ribbon rewinding direction. The power transmission mechanism may include a winding side one-way clutch to transmit a driving force in the ribbon winding direction to the winding roll and cut off transmission of the driving force in the ribbon rewinding direction to the winding roll; and a supply side one-way clutch to transmit the driving force in the ribbon rewinding direction to the supply roll and cuts off transmission of the driving force in the ribbon winding direction to the supply roll.
    Type: Application
    Filed: May 13, 2016
    Publication date: September 1, 2016
    Inventor: Keiji OHTA
  • Patent number: 9381764
    Abstract: An ink ribbon cartridge may include a supply roll; a winding roll; and a power transmission mechanism to transmit power from a drive source to the supply roll and the winding roll. A direction in which an ink ribbon is wound by the winding roll is a ribbon winding direction and a direction in which the ink ribbon is wound by the supply roll is a ribbon rewinding direction. The power transmission mechanism may include a winding side one-way clutch to transmit a driving force in the ribbon winding direction to the winding roll and cut off transmission of the driving force in the ribbon rewinding direction to the winding roll; and a supply side one-way clutch to transmit the driving force in the ribbon rewinding direction to the supply roll and cuts off transmission of the driving force in the ribbon winding direction to the supply roll.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: July 5, 2016
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Keiji Ohta