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: 9545802Abstract: Provided is a tape cartridge that smoothly delivers a tape-shaped member having detection convex portions from a tape delivery port. In addition, provided is a tape cartridge that prevents the detection convex portions from being falsely detected. The tape cartridge includes a label tape 101, a cartridge case in which the label tape 101 is accommodated, and a platen roller that is accommodated in the cartridge case and pays out the label tape 101 by rotation. The label tape 101 has a print tape 106 and a backing surface exposed portion 153 provided on the peripheries of the label portions 105 and causing the backing surface 107a to be exposed.Type: GrantFiled: March 20, 2014Date of Patent: January 17, 2017Assignee: Seiko Epson CorporationInventor: Taishi Sasaki
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Patent number: 9539833Abstract: Provided is a tape cartridge allowing rimless printing to be reliably performed on respective label portions. A tape cartridge installed in a tape printing apparatus includes: a label tape 101 having a plurality of label portions 105 provided along a tape length direction and a plurality of detection convex portions 109 provided along the tape length direction corresponding to the plurality of label portions 105; a cartridge case in which the label tape 101 is accommodated; and a platen roller 103 accommodated in the cartridge case and paying out the label tape 101 by rotation outside the cartridge case, wherein, in the tape length direction, detection tip-ends 109a serving as downstream-side ends of the detection convex portions 109 are positioned downstream of label tip-ends 105a serving as downstream-side ends of the label portions 105 in a paying-out direction of the label portion 105 at printing.Type: GrantFiled: March 20, 2014Date of Patent: January 10, 2017Assignee: Seiko Epson CorporationInventor: Taishi Sasaki
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Patent number: 9539832Abstract: Provided is a tape cartridge that prevents a print tape from becoming wrinkled while preventing the tip end of a tape-shaped member from getting in a cartridge case, or the like. The tape cartridge has a cartridge case, a label tape 101 accommodated in the cartridge case so as to be capable of being paid out, a platen roller 103 that is rotatably accommodated in the cartridge case so as to be brought into rolling-contact with the side of the release tape of the label tape 101 and moves within a prescribed range in a tape feed direction as the label tape 101 is fed out and drawn, and a drawing prevention portion 138 that contacts the side of the print tape of the label tape 101 and holds the label tape 101 between the drawing prevention portion 138 and a platen roller 103 when the platen roller moves to an upstream side in the tape feed direction as the label tape 101 is drawn, wherein the drawing prevention portion 138 does not contact one side in the tape width direction of the label tape 101.Type: GrantFiled: March 20, 2014Date of Patent: January 10, 2017Assignee: Seiko Epson CorporationInventor: Taishi Sasaki
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Publication number: 20160297218Abstract: Provided is a tape cartridge allowing rimless printing to be reliably performed on respective label portions. A tape cartridge installed in a tape printing apparatus includes: a label tape 101 having a plurality of label portions 105 provided along a tape length direction and a plurality of detection convex portions 109 provided along the tape length direction corresponding to the plurality of label portions 105; a cartridge case in which the label tape 101 is accommodated; and a platen roller 103 accommodated in the cartridge case and paying out the label tape 101 by rotation outside the cartridge case, wherein, in the tape length direction, detection tip-ends 109a serving as downstream-side ends of the detection convex portions 109 are positioned downstream of label tip-ends 105a serving as downstream-side ends of the label portions 105 in a paying-out direction of the label portion 105 at printing.Type: ApplicationFiled: March 20, 2014Publication date: October 13, 2016Inventor: Taishi Sasaki
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Publication number: 20160297217Abstract: Provided is a tape cartridge that prevents a print tape from becoming wrinkled while preventing the tip end of a tape-shaped member from getting in a cartridge case, or the like. The tape cartridge has a cartridge case, a label tape 101 accommodated in the cartridge case so as to be capable of being paid out, a platen roller 103 that is rotatably accommodated in the cartridge case so as to be brought into rolling-contact with the side of the release tape of the label tape 101 and moves within a prescribed range in a tape feed direction as the label tape 101 is fed out and drawn, and a drawing prevention portion 138 that contacts the side of the print tape of the label tape 101 and holds the label tape 101 between the drawing prevention portion 138 and a platen roller 103 when the platen roller moves to an upstream side in the tape feed direction as the label tape 101 is drawn, wherein the drawing prevention portion 138 does not contact one side in the tape width direction of the label tape 101.Type: ApplicationFiled: March 20, 2014Publication date: October 13, 2016Inventor: Taishi Sasaki
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Patent number: 9466548Abstract: A semiconductor device incorporating a heat spreader and improved to inhibit dielectric breakdown is provided. The semiconductor device has an electrically conductive heat spreader having a bottom surface, a sheet member having a front surface and a back surface electrically insulated from each other, IGBTs and diodes fixed on the heat spreader and electrically connected thereto, and a molding resin. The front surface contacts with the bottom surface and has a peripheral portion jutting out from edges thereof. The molding resin encapsulates the front surface of the sheet member, the heat spreader and the semiconductor elements. At least part of the back surface of the sheet member is exposed out of the molding resin. The heat spreader has, at a corner of its bottom surface, corner portions having a beveled shape or a curved-surface shape as seen in plan and having a rectangular shape as seen in section.Type: GrantFiled: February 22, 2012Date of Patent: October 11, 2016Assignee: Mitsubishi Electric CorporationInventors: Ken Sakamoto, Taketoshi Shikano, Taishi Sasaki
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Publication number: 20160271980Abstract: Provided is a tape cartridge that smoothly delivers a tape-shaped member having detection convex portions from a tape delivery port. In addition, provided is a tape cartridge that prevents the detection convex portions from being falsely detected. The tape cartridge includes a label tape 101, a cartridge case in which the label tape 101 is accommodated, and a platen roller that is accommodated in the cartridge case and pays out the label tape 101 by rotation. The label tape 101 has a print tape 106 and a backing surface exposed portion 153 provided on the peripheries of the label portions 105 and causing the backing surface 107a to be exposed.Type: ApplicationFiled: March 20, 2014Publication date: September 22, 2016Inventor: Taishi SASAKI
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Publication number: 20160271979Abstract: Provided is a tape cartridge capable of reducing false detection by a detection portion. A tape cartridge 100 installed in a tape printing apparatus includes: a label tape 101 having a plurality of detection convex portions 109 partially projecting from an end thereof in a tape width direction; a cartridge case in which the label tape 101 is accommodated; a platen roller 103 accommodated in the cartridge case and paying out the label tape 101 by rotation; and an exposed area formed in the cartridge case and serving as an area in which the plurality of detection convex portions 109 is exposed one after another as the label tape 101 is paid out by the platen roller 103, wherein the label tape 101 is not exposed in the exposed area except for the detection convex portions.Type: ApplicationFiled: March 20, 2014Publication date: September 22, 2016Inventor: Taishi Sasaki
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Publication number: 20160271978Abstract: Provided is a tape cartridge or the like that prevents detection target portions from contacting a finger or the like when an exposed area is provided in a cartridge case to cause the detection target portions of a tape-shaped member to be exposed. A tape cartridge includes a label tape 101 having a plurality of label portions 105 and a plurality of detection target portions 109 and a cartridge case and is installed in a tape feeding apparatus that feeds the label tape 101 based on the passage detection of the detection target portions 109 to separate the label portions 105 at a cut spot 112 on the label tape 101 at a cut position P3 outside the cartridge case.Type: ApplicationFiled: March 20, 2014Publication date: September 22, 2016Inventors: Taishi Sasaki, Kenichi Nakajima
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Publication number: 20150375535Abstract: A sheet cartridge includes a label sheet and a cartridge case. The label sheet has plural label portions temporarily attached at a predetermined label pitch to a long backing sheet, and plural label position detection target portions provided at a detection target end portion that is one end in a direction of width of the backing sheet and configured to indicate a print start position and a cutting position for the each label portion. The cartridge case accommodates the label sheet that is wound, in such a way that the label sheet can be reeled off, and in which a detection opening for exposing the each label position detection target portion for detection is formed.Type: ApplicationFiled: August 24, 2015Publication date: December 31, 2015Inventors: Kenichi Nakajima, Taishi Sasaki
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Patent number: 9004789Abstract: A processing device comprising a ribbon cartridge including an ink ribbon wound around a feed-out core and a wind-up core winding up the ink ribbon, a device main body to which the ribbon cartridge is detachably attached, a cartridge-side brake mechanism provided to the ribbon cartridge and applying a rotational braking force to the ribbon cartridge, and a device-side brake mechanism provided to the device main body and applying a rotational braking force to the ribbon cartridge, wherein a rotational braking force by the cartridge-side brake mechanism is set stronger with respect to a rotational braking force by the device-side brake mechanism.Type: GrantFiled: June 25, 2012Date of Patent: April 14, 2015Assignee: Seiko Epson CorporationInventor: Taishi Sasaki
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Patent number: 8933568Abstract: A semiconductor device according to the present invention includes: a power semiconductor element that is a semiconductor element; bonding parts provided for bonding of an upper surface and a lower surface of the semiconductor element; and metal plates bonded to the power semiconductor element from above and below through the bonding parts, wherein the bonding part includes a mesh metal body disposed between the semiconductor element and the metal plate, and a bonding member in which the mesh metal body is embedded.Type: GrantFiled: October 19, 2010Date of Patent: January 13, 2015Assignee: Mitsubishi Electric CorporationInventors: Tsuyoshi Takayama, Yukio Yasuda, Hajime Kato, Kazuaki Hiyama, Taishi Sasaki, Mikio Ishihara
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Publication number: 20140353814Abstract: A semiconductor device incorporating a heat spreader and improved to inhibit dielectric breakdown is provided. The semiconductor device has an electrically conductive heat spreader having a bottom surface, a sheet member having a front surface and a back surface electrically insulated from each other, IGBTs and diodes fixed on the heat spreader and electrically connected thereto, and a molding resin. The front surface contacts with the bottom surface and has a peripheral portion jutting out from edges thereof. The molding resin encapsulates the front surface of the sheet member, the heat spreader and the semiconductor elements. At least part of the back surface of the sheet member is exposed out of the molding resin. The heat spreader has, at a corner of its bottom surface, corner portions having a beveled shape or a curved-surface shape as seen in plan and having a rectangular shape as seen in section.Type: ApplicationFiled: February 22, 2012Publication date: December 4, 2014Applicant: Mitsubishi Electric CorporationInventors: Ken Sakamoto, Taketoshi Shikano, Taishi Sasaki
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Publication number: 20140140748Abstract: A processing device comprising a ribbon cartridge including an ink ribbon wound around a feed-out core and a wind-up core winding up the ink ribbon, a device main body to which the ribbon cartridge is detachably attached, a cartridge-side brake mechanism provided to the ribbon cartridge and applying a rotational braking force to the ribbon cartridge, and a device-side brake mechanism provided to the device main body and applying a rotational braking force to the ribbon cartridge, wherein a rotational braking force by the cartridge-side brake mechanism is set stronger with respect to a rotational braking force by the device-side brake mechanism.Type: ApplicationFiled: June 25, 2012Publication date: May 22, 2014Applicant: Seiko Epson CorporationInventor: Taishi Sasaki
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Patent number: 8518751Abstract: A method of manufacturing a semiconductor device comprises: preparing a lead frame including a package external region and a package internal region, a burred surface being provided at a top end of a side of the lead frame, and a fracture surface being provided in the vicinity of the top end of the side; chamfering the top end of the side in the package external region; mounting a semiconductor element on the lead frame and sealing the semiconductor element with mold resin in the package internal region; and removing resin burr provided on the side of the lead frame in the package external region after the chamfering and the sealing.Type: GrantFiled: August 19, 2011Date of Patent: August 27, 2013Assignee: Mitsubishi Electric CorporationInventors: Ken Sakamoto, Taketoshi Shikano, Mitsugu Tanaka, Taishi Sasaki
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Patent number: 8426962Abstract: Provided is a semiconductor device including a heat dissipating fin; an insulating sheet bonded to an upper surface of the heat dissipating fin, with a part of the upper surface being exposed; a heat spreader located on the insulating sheet; a power element located on the heat spreader; and a transfer molding resin located to cover a predetermined surface including the part of the upper surface of the heat dissipating fin, the insulating sheet, the heat spreader and the power element, wherein the upper surface of the heat dissipating fin has a protruding shape and/or recessed shape located so as to bind an edge of the insulating sheet.Type: GrantFiled: May 20, 2011Date of Patent: April 23, 2013Assignee: Mitsubishi Electric CorporationInventors: Taishi Sasaki, Tsuyoshi Takayama, Mikio Ishihara
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Publication number: 20120196405Abstract: A method of manufacturing a semiconductor device comprises: preparing a lead frame including a package external region and a package internal region, a burred surface being provided at a top end of a side of the lead frame, and a fracture surface being provided in the vicinity of the top end of the side; chamfering the top end of the side in the package external region; mounting a semiconductor element on the lead frame and sealing the semiconductor element with mold resin in the package internal region; and removing resin burr provided on the side of the lead frame in the package external region after the chamfering and the sealing.Type: ApplicationFiled: August 19, 2011Publication date: August 2, 2012Applicant: Mitsubishi Electric CorporationInventors: Ken Sakamoto, Taketoshi Shikano, Mitsugu Tanaka, Taishi Sasaki
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Publication number: 20120091573Abstract: Provided is a semiconductor device including a heat dissipating fin; an insulating sheet bonded to an upper surface of the heat dissipating fin, with a part of the upper surface being exposed; a heat spreader located on the insulating sheet; a power element located on the heat spreader; and a transfer molding resin located to cover a predetermined surface including the part of the upper surface of the heat dissipating fin, the insulating sheet, the heat spreader and the power element, wherein the upper surface of the heat dissipating fin has a protruding shape and/or recessed shape located so as to bind an edge of the insulating sheet.Type: ApplicationFiled: May 20, 2011Publication date: April 19, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Taishi SASAKI, Tsuyoshi TAKAYAMA, Mikio ISHIHARA
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Patent number: D674839Type: GrantFiled: December 27, 2011Date of Patent: January 22, 2013Assignee: Seiko Epson CorporationInventors: Hideki Sakano, Taishi Sasaki, Hiroaki Tanaka
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Patent number: D764573Type: GrantFiled: February 26, 2015Date of Patent: August 23, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Haruki Sugawara, Yasutomo Takahashi, Hideki Kato, Akihiro Shintani, Taishi Sasaki