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: 10589540
    Abstract: In a case where a first tape cartridge is mounted on a cartridge mounting portion, in which the first tape cartridge that accommodates first tape and a first platen roller having a first roller length and a second tape cartridge that accommodates second tape and a second platen roller having a second roller length larger than the first roller length are mounted, a thermal head that performs printing onto the first tape is pressed against the first platen roller at first head pressing force, and in a case where the second tape cartridge is mounted on the cartridge mounting portion, the thermal head that performs printing onto the second tape is pressed against the second platen roller at second head pressing force larger than the first head pressing force.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: March 17, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Taishi Sasaki
  • Patent number: 10549560
    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: February 15, 2016
    Date of Patent: February 4, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Kubota, Akihiro Shintani, Taishi Sasaki, Haruki Sugawara, Naoya Nishimura
  • Publication number: 20190378810
    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: Application
    Filed: November 21, 2016
    Publication date: December 12, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yuki YOSHIOKA, Taishi SASAKI, Hiroyuki HARADA
  • Patent number: 10486436
    Abstract: A vertically long tape printing device which can be operated by being handheld includes an operating portions, and a display portion, which are disposed in a longitudinal direction of the front surface of the device, and protruding portions which are provided on the front surface of the device and protrude to the front surface of the operating portions and the front surface of the display portion.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: November 26, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Kubota, Akihiro Shintani, Taishi Sasaki, Haruki Sugawara, Naoya Nishimura
  • Publication number: 20190295932
    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: Application
    Filed: November 11, 2016
    Publication date: September 26, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yosuke NAKATA, Yuji IMOTO, Taishi SASAKI, Tatsuya KAWASE
  • Publication number: 20190157235
    Abstract: A semiconductor chip (3) is bonded to an upper surface of an electrode substrate (1) via a first solder (2). A lead frame (5) is bonded to an upper surface of the semiconductor chip (3) via a second solder (4). An intermediate plate (6) is provided in the first solder (2) between the electrode substrate (1) and the semiconductor chip (3). A yield strength of the intermediate plate (6) is higher than yield strengths of the electrode substrate (1) and the first solder (2) within the whole operating temperature range of the semiconductor device.
    Type: Application
    Filed: July 28, 2016
    Publication date: May 23, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yosuke NAKATA, Taishi SASAKI
  • Patent number: 10265977
    Abstract: A tape cartridge, to be installed in a tape printing apparatus having a cartridge installation portion, includes a tape-shaped member having a plurality of label portions provided along a length direction of the tape-shaped member and a plurality of detection target portions provided along the length direction of the tape-shaped member so as to correspond to the plurality of label portions on one side thereof in a tape width direction projecting in the tape width direction. The tape cartridge further includes a cartridge case in which the tape-shaped member is accommodated so as to be capable of being paid out. The cartridge case has a slit-shaped delivery port. A detection target passage of the tape delivery port, through which the respective detection target portions pass, has a chamfering portion at a corner on an inner surface side of the cartridge case of an edge thereof.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: April 23, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Taishi Sasaki, Kenichi Nakajima
  • Patent number: 10226945
    Abstract: A tape printing device that is vertically long and can be operated by being handheld includes a main key operating portion configured with a plurality of groups of keys 215, 217, and 219 on a front surface, in which, among the plurality of groups of keys 215, 217, and 219, a group of keys 215 having a high frequency of operations is disposed at a position near a gravity center portion in a longitudinal direction, and the groups of keys 217 and 219 having a low frequency of operations are disposed at a position distant from the gravity center portion in the longitudinal direction.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: March 12, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Tomoyuki Kubota, Taishi Sasaki, Akihiro Shintani, Haruki Sugawara, Naoya Nishimura
  • Patent number: 10189276
    Abstract: A tape printing device that is vertically long and can be operated by being handheld includes a main key operating portion configured with a plurality of groups of keys 215, 217, and 219 on a front surface, in which, among the plurality of groups of keys 215, 217, and 219, a group of keys 215 having a high frequency of operations is disposed at a position near a gravity center portion in a longitudinal direction, and the groups of keys 217 and 219 having a low frequency of operations are disposed at a position distant from the gravity center portion in the longitudinal direction.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 29, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Tomoyuki Kubota, Taishi Sasaki, Akihiro Shintani, Haruki Sugawara, Naoya Nishimura
  • Patent number: 10166795
    Abstract: A tape cartridge configured to mounted in a tape printing apparatus includes: a cartridge case, a tape-shaped member contained in the cartridge case, an ink ribbon contained in the cartridge case, a roller contained rotatably in the cartridge case and is configured to feed the tape-shaped member outside the cartridge case by rotation, and is movable to a tape feeding upstream side in association with a retracting of the tape-shaped member into the cartridge case, a retracting prevention part cantilevered by the cartridge case on the tape feeding upstream side from the roller, and holds the tape-shaped member together with the roller moved to the tape feeding upstream side, and a ribbon guide part which is provided in the retracting prevention part. the retracting prevention part includes: a tape holding part, and an upstream base end provided at a base end of the tape holding part.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: January 1, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Tomoyuki Kubota, Taishi Sasaki
  • Publication number: 20180374772
    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: Application
    Filed: February 21, 2018
    Publication date: December 27, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Noboru MIYAMOTO, Taishi SASAKI
  • Patent number: 10131158
    Abstract: A tape printing device that is able to be operated by being handheld includes a printing device main body that includes operating portions and a display portion on a front surface, and a pair of magnets that is detachably mounted on a rear surface of the printing device main body and is used for being adsorbed to an object to be installed.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: November 20, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Tomoyuki Kubota, Akihiro Shintani, Taishi Sasaki, Haruki Sugawara, Naoya Nishimura
  • Publication number: 20180326760
    Abstract: A tape processing device includes a sending and processing section that performs a tape process while sending processing tape, a cutting section that is disposed on a downstream side of the sending and processing section in a tape sending direction and cuts the tape-processed processing tape, a discharging section that is disposed on the downstream side of the cutting section in the tape sending direction, feeds the processing tape, and holds the cut processing tape, a sending and interlocking section that interlocks driving of the sending and processing section and driving of the discharging section, and a sensing section that determines presence and absence of the processing tape held in the discharging section.
    Type: Application
    Filed: August 26, 2016
    Publication date: November 15, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Taishi SASAKI
  • Patent number: 10118404
    Abstract: An apparatus includes: a delivering-side gear train that transmits motive power to a delivering-side drive shaft; an winding-side gear train that transmits motive power to an winding-side drive shaft; a second clutch mechanism that connects the drive motor and the delivering-side gear train to each other in accordance with reverse rotation of the drive motor and disconnects the drive motor and the delivering-side gear train from each other in accordance with forward rotation of the drive motor; and a first clutch mechanism that is provided upstream of the second clutch mechanism, connects the drive motor and the winding-side gear train to each other in accordance with the forward rotation of the drive motor, and disconnects the drive motor and the winding-side gear train from each other in accordance with the reverse rotation of the drive motor.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: November 6, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Taishi Sasaki
  • Publication number: 20180297374
    Abstract: In a case where a first tape cartridge is mounted on a cartridge mounting portion, in which the first tape cartridge that accommodates first tape and a first platen roller having a first roller length and a second tape cartridge that accommodates second tape and a second platen roller having a second roller length larger than the first roller length are mounted, a thermal head that performs printing onto the first tape is pressed against the first platen roller at first head pressing force, and in a case where the second tape cartridge is mounted on the cartridge mounting portion, the thermal head that performs printing onto the second tape is pressed against the second platen roller at second head pressing force larger than the first head pressing force.
    Type: Application
    Filed: April 11, 2018
    Publication date: October 18, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Taishi SASAKI
  • Publication number: 20180297384
    Abstract: There is provided a ribbon winding mechanism including: a winding rotor; a first winding gear that is provided to be coaxial to the winding rotor and rotates the winding rotor; a second winding gear that is provided to be coaxial to the winding rotor and rotates the winding rotor via the first winding gear; a first torque limiter that limits torque, which is transmitted from the first winding gear to the winding rotor, to first torque; a second torque limiter that limits torque, which is transmitted from the second winding gear to the first winding gear, to second torque lower than the first torque; and a torque clutch that inputs power from a feed motor to the first winding gear when the first cartridge is mounted and inputs the power from the feed motor to the second winding gear when the second cartridge is mounted.
    Type: Application
    Filed: April 11, 2018
    Publication date: October 18, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Taishi SASAKI
  • Publication number: 20180264844
    Abstract: An apparatus includes: a delivering-side gear train that transmits motive power to a delivering-side drive shaft; an winding-side gear train that transmits motive power to an winding-side drive shaft; a second clutch mechanism that connects the drive motor and the delivering-side gear train to each other in accordance with reverse rotation of the drive motor and disconnects the drive motor and the delivering-side gear train from each other in accordance with forward rotation of the drive motor; and a first clutch mechanism that is provided upstream of the second clutch mechanism, connects the drive motor and the winding-side gear train to each other in accordance with the forward rotation of the drive motor, and disconnects the drive motor and the winding-side gear train from each other in accordance with the reverse rotation of the drive motor.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Taishi Sasaki
  • Patent number: 10022985
    Abstract: A tape printing apparatus includes an operation surface and a plurality of operation keys protruding from the operation surface. The operation keys include first keys and second keys that protrude less than the first keys from the operation surface, and the second keys include at least one of a power key and a print key.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: July 17, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Taishi Sasaki
  • Patent number: 10000071
    Abstract: An apparatus includes: a delivering-side gear train that transmits motive power to a delivering-side drive shaft; an winding-side gear train that transmits motive power to an winding-side drive shaft; a second clutch mechanism that connects the drive motor and the delivering-side gear train to each other in accordance with reverse rotation of the drive motor and disconnects the drive motor and the delivering-side gear train from each other in accordance with forward rotation of the drive motor; and a first clutch mechanism that is provided upstream of the second clutch mechanism, connects the drive motor and the winding-side gear train to each other in accordance with the forward rotation of the drive motor, and disconnects the drive motor and the winding-side gear train from each other in accordance with the reverse rotation of the drive motor.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: June 19, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Taishi Sasaki
  • Patent number: D823379
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: July 17, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shigeaki Isobe, Haruki Sugawara, Taishi Sasaki