Patents by Inventor Taishi Sasaki

Taishi 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: 11364733
    Abstract: An ink ribbon feeding mechanism includes a cartridge mounting section, a first paying out rotor which is inserted into a first paying out core when a cartridge is being mounted in the cartridge mounting section, and a plurality of rotor side engaging portions which are provided on the first paying out rotor and which engage with a plurality of core side engaging portions when the first paying out rotor rotates. The rotor side engaging portion has an butting portion. When the cartridge is being mounted in the cartridge mounting section, the core side engaging portion butts against the butting portion, one or the other of the first paying out core and the first paying out rotor rotates, the rotor side engaging portion is inserted into the core side insertion recessed portion. A plurality of the butting portions are provided in positions different from each other in a cartridge mounting direction.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: June 21, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Ishimoto, Taishi Sasaki, Tomoyuki Kubota
  • Patent number: 11338598
    Abstract: Disclosed is a cartridge installed in a tape printing device, the cartridge including: a tape path through which a printing tape introduced from a device-side tape introduction port is fed toward a device-side tape ejection port in a state in which the cartridge is installed in a cartridge installation part; and a tape retention part that retains the printing tape introduced into a tape path in a state in which the cartridge is not installed in the cartridge installation part, wherein, when the cartridge is installed in the cartridge installation part, the tape retention part engages an insertion convex part that protrudes from a bottom surface of the cartridge installation part to cancel retention of the printing tape.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 24, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Akio Ishimoto, Taishi Sasaki
  • Publication number: 20220153035
    Abstract: A cartridge, that can reduce the diameter of a winding core, to be installed in a tape printing device includes: a cartridge case that constitutes an outer shell of the cartridge and accommodates a printing tape, a tape core on which the printing tape is wound, an ink ribbon, and a winding core; a core concave part on the cartridge case and into which a core convex part is inserted from a back side in an installation direction when the cartridge is installed in a cartridge installation part; and a cartridge-side first engagement part and a cartridge-side second engagement part that engage a device-side first engagement part and a device-side second engagement part, respectively, when the core convex part is inserted into the core concave part to change a state of a torque switching mechanism from a second to a first state or from the first to the second state.
    Type: Application
    Filed: March 16, 2020
    Publication date: May 19, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Taishi SASAKI, Shinsaku KOSUGE, Akio ISHIMOTO
  • Publication number: 20220126595
    Abstract: A ribbon cartridge includes: a winding-side cylinder part that guides an ink ribbon and into which a winding shaft is inserted when the ribbon cartridge is installed in a cartridge installation part; a first ribbon guide that guides the ink ribbon at a position on a downstream side of the winding-side cylinder part in a feeding direction of the ink ribbon; and a second ribbon guide that guides the ink ribbon at a position on the downstream side of the ribbon guide in the feeding direction. The first ribbon guide is on an inner side of the second ribbon cartridge with respect to a guide imaginary line connecting the winding-side cylinder part and the second ribbon guide to each other when seen from a front side of the ribbon cartridge in an installation direction.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 28, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20220118783
    Abstract: A cartridge is installed in a tape printing device including a cartridge installation part, a printing head that is provided in the cartridge installation part and performs printing on a printing tape, and a device case, the device case having a device-side tape introduction port that introduces the printing tape from an outside to an inside of the device case and a device-side tape ejection port that ejects the printing tape to the outside of the device case. The cartridge includes a tape path through which the printing tape introduced from the device-side tape introduction port is fed toward the device-side tape ejection port in a state in which the cartridge is installed in the cartridge installation part.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 21, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20220111670
    Abstract: A cartridge to be installed in a tape printing device includes: a cartridge case that forms an outer shell of the cartridge; a substrate attachment part that is provided on the cartridge case; a circuit substrate that is attached to the substrate attachment part, has an electrode that comes in contact with the contact terminal part when the cartridge is installed in the cartridge installation part, and is pressed to a side of an engagement convex part by a pressing force accompanied by an elastic displacement of the contact terminal part; and a convex-part reception part that is provided on a side opposite to a first surface of the circuit substrate on which the electrode is provided and allows reception of the engagement convex part when the cartridge is installed in the cartridge installation part.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 14, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Patent number: 11298956
    Abstract: A ribbon cartridge includes: a winding-side cylinder part that guides an ink ribbon and into which a winding shaft is inserted when the ribbon cartridge is installed in a cartridge installation part; a first ribbon guide that guides the ink ribbon at a position on a downstream side of the winding-side cylinder part in a feeding direction of the ink ribbon; and a second ribbon guide that guides the ink ribbon at a position on the downstream side of the ribbon guide in the feeding direction. The first ribbon guide is on an inner side of the second ribbon cartridge with respect to a guide imaginary line connecting the winding-side cylinder part and the second ribbon guide to each other when seen from a front side of the ribbon cartridge in an installation direction.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 12, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Ishimoto, Taishi Sasaki
  • Publication number: 20220072881
    Abstract: A cartridge to be installed in a tape printing device includes: a cartridge case having a cartridge-side tape ejection port; a tape path that feeds a printing tape toward the cartridge-side tape ejection port; a platen roller that applies a feeding force to the printing tape; and an electrode part. When seen from a front side in an installation direction of the cartridge, a feeding angle that is an angle formed by a feeding direction of the printing tape at a portion at which the feeding force is applied to the printing tape by the platen roller when the printing tape is fed with respect to a direction in which the electrode part receives a force from a contact terminal part is less than 45°.
    Type: Application
    Filed: December 23, 2019
    Publication date: March 10, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20220016915
    Abstract: A cartridge that makes it possible to simultaneously set a printing tape and a cartridge in a tape printing device. A cartridge to be installed in a tape printing device includes: a cartridge case; a cartridge-side tape introduction port that introduces a printing tape introduced from a device-side tape introduction port into the cartridge case and a cartridge-side tape ejection port that ejects the printing tape to an outside of the cartridge case toward a device-side tape ejection port in a state in which the cartridge is installed in a cartridge installation part; and a tape retention part that retains the printing tape that is introduced in advance into a tape path between the cartridge-side tape introduction port and the cartridge-side tape ejection port before the cartridge is installed in the cartridge installation part.
    Type: Application
    Filed: December 23, 2019
    Publication date: January 20, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20220009252
    Abstract: A cartridge reduces a movement amount of a center of gravity of a cartridge accompanied by the progress of the winding of an ink ribbon. The cartridge to be installed in a tape printing device includes a platen roller, a paying-out core on which an ink ribbon is wound, and a winding core that winds up the ink ribbon paid out from the paying-out core. When seen from a rotational axis direction parallel to a rotational axis of the paying-out core and a rotational axis of the winding core, the paying-out core and the winding core are arranged to at least partially overlap an imaginary line that passes through a center of the platen roller and extends in a longitudinal direction of the cartridge.
    Type: Application
    Filed: December 23, 2019
    Publication date: January 13, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20220009257
    Abstract: A ribbon reeling mechanism includes: a gear supporting member that supports a clutch gear rotatably and is configured to move between a mesh position at which the clutch gear supported by the gear supporting member is in mesh with a first reeling-side gear and a non-mesh position at which the clutch gear supported by the gear supporting member is not in mesh with the first reeling-side gear; a clutch impeding spring that causes a clutch impeding force of impeding movement from the mesh position to the non-mesh position to act on the gear supporting member when a feed motor starts rotating in the second rotation direction; a drive member engaged with the gear supporting member; and a clutch drive mechanism that causes the gear supporting member to move to the non-mesh position against the clutch impeding force when the feed motor rotates in the second rotation direction.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 13, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Taishi SASAKI, Kenichi NAKAJIMA
  • Patent number: 11142011
    Abstract: A tape printing apparatus including three holding protrusions that are provided on a mounting portion cover and that hold a cartridge mounted in a cartridge mounting portion, a displacement member that, when the cartridge is mounted in the cartridge mounting portion, is displaced from a protruded position to a lower-side position by having the cartridge abut against a cartridge abutment portion, and an elastic member that applies force to the displacement member towards an opposite direction to a mounting direction. In the tape printing apparatus, when viewed from the mounting direction, the cartridge abutment portion is provided inside a virtual holding triangle having holding distal end portions that are distal end portions of the three holding protrusions as apexes.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 12, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shinsaku Kosuge, Taishi Sasaki
  • Publication number: 20210291572
    Abstract: A substrate cartridge is attachable, with a ribbon cartridge having an ink ri()bbon, to a cartridge attachment portion of a tape printer for performing printing on a tape and is formed as a separate component from the ribbon cartridge. The substrate cartridge includes: a circuit substrate that stores tape information about one type of tape among multiple types of tape; and a substrate holder holding the circuit substrate.
    Type: Application
    Filed: March 18, 2021
    Publication date: September 23, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Taishi SASAKI, Akio ISHIMOTO
  • Patent number: 11117406
    Abstract: Disclosed is a tape printing device including a cartridge installation part in which a first cartridge and a second cartridge different in shape when seen from an installation direction are alternatively installable, wherein the cartridge installation part has, when seen from the installation direction, an overlap region in which a first installation region that is an installation region for the first cartridge and a second installation region that is an installation region for the second cartridge overlap each other, and a non-overlap region composed of one of the first installation region and the second installation region.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: September 14, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Ishimoto, Taishi Sasaki, Tomoyuki Kubota
  • Patent number: 11117404
    Abstract: A tape printing device that is vertically long and can be operated by being handheld includes a handling portion including an operating portion on a front surface and is a part to be handheld, and a main mechanism portion connected to a tip end side of the handling portion, in which the printing mechanism portion is built, in which the handling portion is formed in a constricted shape of which an intermediate portion of a longitudinal direction is constricted.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 14, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Kubota, Akihiro Shintani, Taishi Sasaki, Haruki Sugawara, Naoya Nishimura
  • Patent number: 11104167
    Abstract: A tape printing apparatus including three holding protrusions that are provided on a mounting portion cover and that hold a cartridge mounted in a cartridge mounting portion, a displacement member that, when the cartridge is mounted in the cartridge mounting portion, is displaced from a protruded position to a lower-side position by having the cartridge abut against a cartridge abutment portion, and an elastic member that applies force to the displacement member towards an opposite direction to a mounting direction. In the tape printing apparatus, when viewed from the mounting direction, the cartridge abutment portion is provided inside a virtual holding triangle having holding distal end portions that are distal end portions of the three holding protrusions as apexes.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 31, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shinsaku Kosuge, Taishi Sasaki
  • Patent number: 11069593
    Abstract: Provided is a technique for preventing warps of cooling plates due to a contraction of a joining material, thereby preventing a reduction in cooling performance of a semiconductor device. The semiconductor device includes the following: a first cooling plate; a second cooling plate facing the first cooling plate; a semiconductor chip joined between the circuit pattern of the first cooling plate and the circuit pattern of the second cooling plate with a joining material; and a case containing part of the first cooling plate, part of the second cooling plate, and the semiconductor chip. The semiconductor chip is mounted in a semiconductor-chip mounting part between the first cooling plate and the second cooling plate. The case is provided with a portion corresponding to the semiconductor-chip mounting part and to surroundings thereof. The portion has an up-and-down width greater than an up-and-down width of the remaining portions of the case.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: July 20, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Noboru Miyamoto, Taishi Sasaki
  • Patent number: D930070
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: September 7, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Ishimoto, Taishi Sasaki
  • Patent number: D930071
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: September 7, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Ishimoto, Taishi Sasaki
  • Patent number: D933744
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: October 19, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Ishimoto, Taishi Sasaki