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).
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Patent number: 11958287Abstract: 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: GrantFiled: December 23, 2019Date of Patent: April 16, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki
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Patent number: 11945244Abstract: A cartridge configured to be mounted on a tape printer, the cartridge includes a ribbon roll around which an ink ribbon is wound, and a cartridge case configured to accommodate a tape roll around which a tape is wound and that accommodates the ribbon roll, in which the cartridge case includes a third case portion, a first case portion that constitutes a tape roll accommodating portion accommodating the tape roll between the first case portion and the third case portion, and a second case portion that is separated from the first case portion and accommodates the ribbon roll between the second case portion and the third case portion, and the first case portion is configured to open and close the tape roll accommodating portion.Type: GrantFiled: March 8, 2023Date of Patent: April 2, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Keisuke Taruya, Taishi Sasaki, Akio Ishimoto, Hirosuke Yasuki
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Patent number: 11912049Abstract: 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: GrantFiled: December 23, 2019Date of Patent: February 27, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki
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Publication number: 20240059081Abstract: 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: ApplicationFiled: October 31, 2023Publication date: February 22, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Akio ISHIMOTO, Taishi SASAKI
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Patent number: 11872808Abstract: 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: GrantFiled: December 23, 2019Date of Patent: January 16, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki
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Patent number: 11840071Abstract: 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: GrantFiled: December 23, 2019Date of Patent: December 12, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki
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Publication number: 20230352354Abstract: A semiconductor device according to the first disclosure includes a base plate that has an upper surface and a back surface on a side opposite the upper surface and at the back surface of which an annular groove is formed, a substrate provided on the upper surface of the base plate and a semiconductor chip provided on an upper surface of the substrate, wherein the base plate has a convex warping part that warps in a convex shape toward the upper surface side, and a part of the groove, which is formed at the convex warping part is deeper at a position farther away from a maximum warping part having a largest warp in the convex warping part.Type: ApplicationFiled: January 22, 2021Publication date: November 2, 2023Applicant: Mitsubishi Electric CorporationInventors: Katsuhiko KONDO, Taishi SASAKI
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Publication number: 20230302837Abstract: There is provided a tape cartridge, in which the cartridge case is provided with an outer protrusion portion received by an outer recess portion, the outer protrusion portion blocks insertion of a third core projection into a core hole of a tape core B around which a tape B, which is different in type from the tape A, is wound and which has a shape different from that of the tape core A, by contact with the tape core B when the tape roll A is mistakenly replaced with a tape roll B included in a tape cartridge B, which is configured to be mounted on a tape printing apparatus, and including the tape B and the tape core B.Type: ApplicationFiled: March 8, 2023Publication date: September 28, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Keisuke TARUYA, Taishi SASAKI, Akio ISHIMOTO, Hirosuke YASUKI
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Publication number: 20230294417Abstract: There is provided a tape cartridge including: a tape roll including a tape and a tape core which is provided with a core hole and around which the tape is wound; and a cartridge case accommodating the tape roll, and including a first case portion having a first base wall portion and a first core projection protruding from the first base wall portion in a first direction, and a third case portion having a third base wall portion and a third core projection protruding from the third base wall portion in a third direction opposite to the first direction and inserted into the core hole, in which the tape core is provided with an insertion receiving section which is positioned on a radially outer side of the tape core with respect to the core hole and into which the first core projection is inserted.Type: ApplicationFiled: March 8, 2023Publication date: September 21, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Keisuke TARUYA, Taishi SASAKI, Akio ISHIMOTO, Hirosuke YASUKI
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Publication number: 20230286301Abstract: A cartridge configured to be mounted on a tape printer, the cartridge including a cartridge case in which the cartridge case includes a third case portion, a first case portion configured to accommodate a tape roll, and a second case portion and a fourth case portion that are separate from the first case portion, and a tape feed port through which a tape fed from the tape roll is fed out of the cartridge case, and a tape insertion port into which the tape pulled out from the tape roll is configured to be inserted in a first direction from one end portion in a width direction of the tape, so that a leading edge of the tape comes out of the cartridge case from the tape feed port, are provided between the second case portion and the fourth case portion.Type: ApplicationFiled: March 8, 2023Publication date: September 14, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Keisuke TARUYA, Taishi SASAKI, Akio ISHIMOTO
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Publication number: 20230286302Abstract: A cartridge configured to be mounted on a tape printer, the cartridge including a cartridge case, in which the cartridge case is provided with a tape feed port through which a tape fed from an accommodated tape roll is fed out of the cartridge case, a tape insertion port into which the tape is configured to be inserted in a first direction from one end portion in a width direction of the tape, and a tape guide that is positioned in the first direction with respect to the tape insertion port and guides feeding of the tape by the tape printer, the tape guide is provided with a protruding portion that comes into contact with the tape, and a tape guide chamfered portion is provided at an end portion of the protruding portion in a second direction opposite to the first direction.Type: ApplicationFiled: March 8, 2023Publication date: September 14, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Keisuke TARUYA, Taishi SASAKI, Akio ISHIMOTO
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Publication number: 20230286309Abstract: A cartridge configured to be mounted on a tape printer, the cartridge includes a ribbon roll around which an ink ribbon is wound, and a cartridge case configured to accommodate a tape roll around which a tape is wound and that accommodates the ribbon roll, in which the cartridge case includes a third case portion, a first case portion that constitutes a tape roll accommodating portion accommodating the tape roll between the first case portion and the third case portion, and a second case portion that is separated from the first case portion and accommodates the ribbon roll between the second case portion and the third case portion, and the first case portion is configured to open and close the tape roll accommodating portion.Type: ApplicationFiled: March 8, 2023Publication date: September 14, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Keisuke TARUYA, Taishi SASAKI, Akio ISHIMOTO, Hirosuke YASUKI
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Patent number: 11697298Abstract: 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: GrantFiled: June 3, 2020Date of Patent: July 11, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Mizuki Bizen, Taishi Sasaki, Akio Ishimoto, Yuki Hatayama
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Patent number: 11685171Abstract: 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: GrantFiled: December 19, 2019Date of Patent: June 27, 2023Assignee: Seiko Epson CorporationInventors: Akio Ishimoto, Taishi Sasaki
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Patent number: 11633971Abstract: 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: GrantFiled: July 9, 2021Date of Patent: April 25, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Taishi Sasaki, Kenichi Nakajima
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Patent number: 11541670Abstract: 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: GrantFiled: January 4, 2022Date of Patent: January 3, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki
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Patent number: 11482462Abstract: 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: GrantFiled: August 25, 2017Date of Patent: October 25, 2022Assignee: Mitsubishi Electric CorporationInventors: Taishi Sasaki, Yuki Yoshioka, Hiroyuki Harada, Yusuke Kaji
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Patent number: 11458749Abstract: 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: GrantFiled: May 26, 2020Date of Patent: October 4, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki, Atsushi Yanagisawa
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Patent number: 11458750Abstract: 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: GrantFiled: June 3, 2020Date of Patent: October 4, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Mizuki Bizen, Taishi Sasaki, Akio Ishimoto, Yuki Hatayama
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Patent number: 11364733Abstract: 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: GrantFiled: May 22, 2020Date of Patent: June 21, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Akio Ishimoto, Taishi Sasaki, Tomoyuki Kubota