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).

  • Publication number: 20210023856
    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.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 28, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20210023862
    Abstract: A ribbon cartridge capable of preventing a ribbon cartridge made by another company from being installed by mistake. A ribbon cartridge includes: a paying-out core; a winding core that winds an ink ribbon fed from the paying-out core; and a cartridge case having a ribbon core accommodation part in which the paying-out core and the winding core are rotatably accommodated. In the cartridge case, a first, second and third peripheral wall recessed part are at a peripheral edge part of the ribbon core accommodation part when seen from a front side of the ribbon cartridge in an installation direction, the first, second and third peripheral wall recessed part at a position corresponding to a first, second and third pressing protrusion, respectively, when the ribbon cartridge is installed in a cartridge installation part and an installation-part cover is closed.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 28, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Taishi SASAKI, Akio ISHIMOTO
  • Patent number: 10899141
    Abstract: A tape printing device that is vertically long and is able to be operated by being handheld including a handling portion that is a part to be handheld, a main mechanism portion in which a printing mechanism portion which is connected to a tip end side of the handling portion is built, and a handholding portion that is connected to a base end side of the handling portion and is used for being grabbed at the time of carrying, and the tape printing device is formed in a vertical long shape of which a ratio between the entire width of an outer shell and the entire length of the outer shell is approximately 1:2.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: January 26, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Kubota, Akihiro Shintani, Taishi Sasaki, Haruki Sugawara, Naoya Nishimura
  • Patent number: 10889137
    Abstract: A tape cartridge mounted to a tape printer includes a ribbon feeding core on which an ink ribbon is wound so as to be capable of being fed and a ribbon winding core that winds the ink ribbon fed from the ribbon feeding core. In the tape cartridge, the ribbon feeding core includes a core body that winds the ink ribbon and a shaft engaging part formed at an end portion of the core body and engaged with a feeding-side driving shaft of the tape printer. The shaft engaging part protrudes in an axial direction of the core body from an end surface of the core body and is formed in a crown shape in which a plurality of convex portions and a plurality of concave portions are alternately arranged side by side in a circumferential direction.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: January 12, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Taishi Sasaki
  • Publication number: 20200398596
    Abstract: A mounting table on which a housing section including a tape supply section having a tape roll around which a tape to be sent to a tape printing device is wound, and a housing case that houses the tape supply section is mounted, the mounting table includes: a mounting surface on which the housing section is mounted; and a rotation support portion that is provided to protrude from the mounting surface, is inserted into a shaft portion of the tape supply section when the housing section is mounted on the mounting surface, and rotatably supports the tape supply section.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI, Atsushi YANAGISAWA
  • Publication number: 20200398597
    Abstract: Disclosed is a tape supplying body including: a tape roll on which a tape to be fed to a tape printing apparatus is wound; a first member provided on a bottom surface of the tape roll; and a second member, wherein the second member has a running-onto prevention part that is provided at an upper surface of the tape roll and prevents the tape from running onto the tape roll, a tape receiving part that is provided at a bottom surface of the first member and receives the tape dropping from the first member, and a connection part that is provided on a radially outer side of the tape roll and connects the running-onto prevention part and the tape receiving part to each other.
    Type: Application
    Filed: June 3, 2020
    Publication date: December 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mizuki BIZEN, Taishi SASAKI, Akio ISHIMOTO, Yuki HATAYAMA
  • Publication number: 20200398598
    Abstract: Disclosed is an accommodation body including: a tape roll accommodation part in which a tape roll on which a tape to be fed to a tape printing apparatus is wound is accommodated; a wall part that is provided with a tape discharge port from which the tape fed from the tape roll is to be discharged; and a cartridge accommodation part in which a ribbon cartridge that has an ink ribbon and is to be installed in the tape printing apparatus while retaining the tape fed from the tape roll is accommodated.
    Type: Application
    Filed: June 3, 2020
    Publication date: December 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mizuki BIZEN, Taishi SASAKI, Akio ISHIMOTO, Yuki HATAYAMA
  • Publication number: 20200369059
    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: Application
    Filed: May 22, 2020
    Publication date: November 26, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akio ISHIMOTO, Taishi SASAKI, Tomoyuki KUBOTA
  • Patent number: 10818630
    Abstract: An object of the present invention is to provide a highly reliable semiconductor device that allows voids remaining in a bonding material to be reduced. The semiconductor device includes a semiconductor chip, an insulation substrate, a metal base plate, a resin section, and a bump. The semiconductor chip is warped into a concave shape. On the insulation substrate, the semiconductor chip is mounted by bonding. The metal base plate has the insulation substrate mounted thereon and has a heat dissipation property. The resin section seals the insulation substrate and the semiconductor chip. The bump is disposed in a joint between the semiconductor chip and the insulation substrate. A warp amount of the semiconductor chip warped into a concave shape is equal to or greater than 1 ?m and less than a height of the bump.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: October 27, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuki Yoshioka, Taishi Sasaki, Hiroyuki Harada
  • Publication number: 20200307292
    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: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shinsaku KOSUGE, Taishi SASAKI
  • Patent number: 10770376
    Abstract: A semiconductor chip (2a) is bonded to an upper surface of the conductive substrate (1a). A control terminal (11a) is disposed outside the semiconductor chip (2a) and connected to a control electrode of the semiconductor chip (2a) via a lead (12a). A case (10) surrounds the semiconductor chip (2a). A sealing material (13) seals the semiconductor chip (2a). The lead frame (4) includes a bonded part (4a) joined to the semiconductor chip (2a), and an upright part (4b) embedded in the case (10), extending from the bonded part (4a) to an outer side of the control terminal (11a), and standing upright vertically relative to an upper surface of the semiconductor chip (2a).
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: September 8, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yosuke Nakata, Yuji Imoto, Taishi Sasaki, Tatsuya Kawase
  • Patent number: 10730328
    Abstract: A tape cartridge mounted to a tape printer having a printing head, includes a cartridge case, a platen roller that is housed in the cartridge case and fees an ink ribbon and a printing tape pressed between the platen roller and the printing head, a tape delivery port that is provided in the cartridge case and feeds the printing tape, which is fed by the platen roller and separated from the ink ribbon, to outside of the cartridge case, and a delivery guide that has a first guide section at a side of the printing head and a second guide section at a side of the platen roller, which extend from edges of the tape delivery port to inside of the cartridge case while spreading apart from each other, and guides a distal end of the printing tape into the tape delivery port.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: August 4, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Kubota, Akihiro Shintani, Taishi Sasaki
  • Publication number: 20200207128
    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: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Applicant: Seiko Epson Corporation
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20200207131
    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: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Applicant: Seiko Epson Corporation
    Inventors: Akio ISHIMOTO, Taishi SASAKI, Tomoyuki KUBOTA
  • Publication number: 20200207115
    Abstract: Disclosed is a tape supplying device that supplies a printing tape fed out from a tape roll having the printing tape wound therein to a tape printing device, the tape supplying device including: a roll supporting part that supports the tape roll in a posture in which a rotation axis of the tape roll crosses a mounting surface on which the tape printing device and the tape supplying device are mounted, wherein the tape supplying device supplies the printing tape to the tape printing device in a state in which the tape supplying device is not installed on the tape printing device.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Applicant: Seiko Epson Corporation
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20200207107
    Abstract: Disclosed is a cartridge installed in a tape printing device, the cartridge including: a cartridge case; 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; and a slide plate movable with respect to the cartridge case, wherein the tape path has a set opening part used to set the printing tape in the tape path from a first width end surface that is one end surface in a width direction of the printing tape before the cartridge is installed in a cartridge installation part, the slide plate has an opening open/close part that opens/closes an opening/closing region included in the set opening part, and the slide plate is movable to an opening position and a closing position with respect to the cartridge case.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Applicant: Seiko Epson Corporation
    Inventors: Akio ISHIMOTO, Taishi SASAKI
  • Publication number: 20200194324
    Abstract: An object of the present invention is to suppress a crack in a sealing resin and a warpage in a semiconductor device in a power semiconductor device. A power semiconductor device includes: a semiconductor element; a terminal; a chassis; and a sealing resin sealing the semiconductor element and the terminal in the chassis. The sealing resin includes: a first sealing resin covering at least the semiconductor element; and a second sealing resin formed on an upper portion of the first sealing resin, and in an operation temperature of the semiconductor element, the first sealing resin has a smaller linear expansion coefficient than the second sealing resin, and a difference of a linear expansion coefficient between the first sealing resin and the terminal is smaller than a difference of a linear expansion coefficient between the second sealing resin and the terminal.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 18, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Taishi SASAKI, Yuki YOSHIOKA, Hiroyuki HARADA, Yusuke KAJI
  • Publication number: 20200171844
    Abstract: A tape printing device that is vertically long and is able to be operated by being handheld including a handling portion that is a part to be handheld, a main mechanism portion in which a printing mechanism portion which is connected to a tip end side of the handling portion is built, and a handholding portion that is connected to a base end side of the handling portion and is used for being grabbed at the time of carrying, and the tape printing device is formed in a vertical long shape of which a ratio between the entire width of an outer shell and the entire length of the outer shell is approximately 1:2.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki KUBOTA, Akihiro SHINTANI, Taishi SASAKI, Haruki SUGAWARA, Naoya NISHIMURA
  • Patent number: 10647135
    Abstract: A tape cartridge which is mounted in a tape printing apparatus provided with a detection part, includes a tape-shaped member which has a detection protrusion of which a lateral side partially protrudes in a tape width direction and a cartridge case in which a tape roll formed by winding the tape-shaped member into a roll shape is contained. In the tape cartridge, an exposed area is provided outside the cartridge case, the exposed area being where the detection protrusion provided in the tape-shaped member delivered from the tape roll and fed in a length direction of the tape-shaped member is exposed, the cartridge case has a cover which covers the tape-shaped member delivered from the tape roll in a tape feeding upstream side from the exposed area, and the cover includes a first cover, a second cover and a position regulating part.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 12, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Kubota, Taishi Sasaki
  • Publication number: 20200122494
    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: Application
    Filed: December 23, 2019
    Publication date: April 23, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki KUBOTA, Akihiro SHINTANI, Taishi SASAKI, Haruki SUGAWARA, Naoya NISHIMURA