Patents by Inventor Kazuyoshi Ohashi
Kazuyoshi Ohashi 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: 12103806Abstract: A post-processing device includes a loading unit on which a sheet is loaded, a first transport unit configured to apply, to the sheet loaded on the loading unit, a transport force toward an alignment unit, a second transport unit located between the first transport unit and the alignment unit, and configured to apply, to the sheet, a transport force toward the alignment unit, a control unit configured to control rotation operation of the second transport unit, and a post-processing unit configured to perform post-processing on the sheet transported to the alignment unit, wherein the post-processing unit is configured to execute a plurality of types of the post-processing, and the control unit is configured to control the rotation operation of the second transport unit in accordance with the type of the post-processing.Type: GrantFiled: January 31, 2023Date of Patent: October 1, 2024Assignee: Seiko Epson CorporationInventors: Kenji Uchibori, Masaki Miyazawa, Kazuyoshi Ohashi
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Publication number: 20240239120Abstract: A recording device includes a conveyance belt that adsorbs and conveys a medium using charge, a recording unit that performs recording on the medium conveyed by the conveyance belt, a determination unit that determines whether or not the medium is jammed, and a peeling unit that peels off the medium from the conveyance belt by blowing air. When there is a medium staying on the conveyance belt at the time of occurrence of the jam, the peeling unit peels off the medium from the conveyance belt by blowing air toward an acute angled gap in a state in which the acute angled gap is formed between the conveyance belt and the medium.Type: ApplicationFiled: January 14, 2024Publication date: July 18, 2024Inventors: Kohei UENO, Kazuhisa KAWAKAMI, Kazuyoshi OHASHI
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Publication number: 20240228210Abstract: A medium transport device 29, a liquid ejection device 13, and a post-process device 15 include a recording path 38; a first transport path 40 arranged downstream of the recording path 38; an inversion path 39 arranged downstream of the recording path 38; a first branch section 51; and a blower section 50 configured to transport the medium 19 to either the first transport path 40 or the inversion path 39, wherein when a medium 19 that is transported first is defined as a first medium and a medium 19 that is transported subsequently to the first medium is defined as a second medium, in a case where the blower section 50 switches a transport destination between the first medium and the second medium, the blower section 50 starts the switching operation while the first medium is passing through the first branch section 51.Type: ApplicationFiled: January 8, 2024Publication date: July 11, 2024Inventors: Yoshikazu KOIKE, Kazuhisa KAWAKAMI, Kazuyoshi OHASHI, Kohei UENO
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Publication number: 20240174008Abstract: A medium processing apparatus includes a feeding portion configured to transport a medium, a processing tray on which the medium transported by the feeding portion is placeable, a processing portion configured to process the medium on the processing tray, and a discharging portion configured to discharge the medium placed on the processing tray, wherein a first mode in which the medium transported by the feeding portion is placed on the processing tray and then discharged by the discharging portion, and a second mode in which the medium transported by the feeding portion is discharged by the discharging portion without being placed on the processing tray are switchable.Type: ApplicationFiled: November 23, 2023Publication date: May 30, 2024Inventors: Hirohisa ADACHI, Takeru OGUCHI, Kazuyoshi OHASHI, Masaki MIYAZAWA
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Patent number: 11897255Abstract: A recording unit which is provided in a recording system includes a heat roller pair which contacts paper and performs drying of the paper after recording by a line head using heating and a control unit which controls operation of the heat roller pair, in which a heating region of the heat roller pair is divided into a plurality of subdivisions in a width direction which intersects the medium transport direction and the heat roller pair is configured to be capable of modifying a heating state for each subdivision region, and in which the control unit controls the heating state of each of the subdivision regions in the heat roller pair according to conditions when performing drying of the paper using the heat roller pair.Type: GrantFiled: April 29, 2021Date of Patent: February 13, 2024Assignee: Seiko Epson CorporationInventors: Nobuyuki Mizushima, Kazuyoshi Ohashi, Akinori Muromachi, Kohei Ueno
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Publication number: 20230331014Abstract: An apparatus includes a component constituting an exterior of the apparatus itself and including an outer surface constituting the exterior, an information medium provided at an information medium surface of the component and configured to provide access to disassembly-related information related to disassembly of the apparatus itself, and a display portion provided covering the information medium and configured to display apparatus information different from the disassembly-related information.Type: ApplicationFiled: April 14, 2023Publication date: October 19, 2023Inventors: Yutaro HARADA, Kazuyoshi OHASHI, Kohei UENO
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Patent number: 11755861Abstract: A printing system includes a printing unit, a position determiner that randomly determines a position where a first information code is to be set, a modifier that modifies print data for printing an image, the first information code, and a positional information code having recorded therein positional information at the time of printing that indicates the position determined by the position determiner so that the first information code is set at the position determined by the position determiner, an acquirer that acquires the position of the first information code on a print medium as positional information and acquires the positional information at the time of the printing from the positional information code, and a determiner that determines whether the printing result is a falsified matter based on comparison of the positional information after the printing with the positional information at the time of the printing.Type: GrantFiled: August 17, 2022Date of Patent: September 12, 2023Assignee: Seiko Epson CorporationInventors: Kazuyoshi Ohashi, Shun Hara, Kenji Uchibori, Riku Maeda, Hirofumi Yanagisawa, Yu Tsumuraya, Kei Sadakuni
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Publication number: 20230249938Abstract: A post-processing device includes a loading unit on which a sheet is loaded, a first transport unit configured to apply, to the sheet loaded on the loading unit, a transport force toward an alignment unit, a second transport unit located between the first transport unit and the alignment unit, and configured to apply, to the sheet, a transport force toward the alignment unit, a control unit configured to control rotation operation of the second transport unit, and a post-processing unit configured to perform post-processing on the sheet transported to the alignment unit, wherein the post-processing unit is configured to execute a plurality of types of the post-processing, and the control unit is configured to control the rotation operation of the second transport unit in accordance with the type of the post-processing.Type: ApplicationFiled: January 31, 2023Publication date: August 10, 2023Inventors: Kenji UCHIBORI, Masaki MIYAZAWA, Kazuyoshi OHASHI
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Patent number: 11713206Abstract: A medium loading device includes a side end aligning member which is positioned at a standby position when a medium is ejected; and a control section. When a value based on first information relating to recording density of a medium to be ejected this time and at least one medium among the media ejected previously is equal to or greater than a threshold value, the control section specifies a first position, which overlaps the medium to be ejected this time, as the standby position, and when the value based on the first information is less than the threshold value, the control section specifies a second position, which does not overlap the medium to be ejected this time, as the standby position, and the control section adjusts the threshold value based on second information relating to at least one medium among the media recorded before the ejection at this time.Type: GrantFiled: March 1, 2022Date of Patent: August 1, 2023Assignee: Seiko Epson CorporationInventors: Hirofumi Yanagisawa, Kazuyoshi Ohashi, Shun Hara, Kenji Uchibori, Kei Sadakuni
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Patent number: 11661298Abstract: A medium transport unit includes an upstream route in which a print sheet is transported, a first switchback route, a second switchback route, a first guide route, a second guide route, a guide flap configured to switch the route so that the print sheet in the upstream route is transported either toward the first guide route or toward the second guide route, a first discharge route from which the print sheet in the first switchback route is discharged, a second discharge route from which the print sheet in the second switchback route is discharged, and a downstream route passing between the first switchback route and the second switchback route and having an upstream end connected to a junction of downstream ends of the first discharge route and the second discharge route.Type: GrantFiled: July 22, 2021Date of Patent: May 30, 2023Assignee: Seiko Epson CorporationInventors: Hidetoshi Kodama, Yuichi Segawa, Kazuyoshi Ohashi
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Patent number: 11661300Abstract: A medium transporting apparatus includes a mounting portion configured to mount a medium, and a pressing portion configured to switch between a first state for pressing the medium against the mounting portion and a second state for releasing the medium. The pressing portion takes the first state in waiting for the medium to the mounting portion, switches to the second state in response to the sent medium and returns to the first state after the medium is sent to the mounting portion. When the last medium is mounted on the mounting portion, a timing at which the pressing portion returns to the first state from the second state is delayed with respect to the timing of the return therebefore.Type: GrantFiled: September 24, 2020Date of Patent: May 30, 2023Assignee: Seiko Epson CorporationInventors: Nobuyuki Mizushima, Kazuyoshi Ohashi, Akinori Muromachi, Kohei Ueno
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Patent number: 11639280Abstract: A medium discharging device includes a first tray, a second tray receiving a medium from the first tray, a supporter which is configured to be displaced from a retreat position in the first tray and an advance position above the second tray and which supports the medium, an aligner which is provided in the supporter and that aligns a first end portion which is an upstream end portion in a discharge direction of the medium supported by the supporter, to be displaced together with the supporter, and a restrictor configured to be displaced between a restriction position where an upstream movement of the first end portion of the medium in a position of the aligner in the discharge direction and a non-restriction position where the movement is not restricted, when the supporter is in the advance position.Type: GrantFiled: September 18, 2019Date of Patent: May 2, 2023Assignee: Seiko Epson CorporationInventors: Akinobu Nakahata, Tsuyoshi Furumido, Masaki Miyazawa, Kazuyoshi Ohashi
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Patent number: 11633964Abstract: An intermediate unit includes a transportation path provided with a drying unit that accelerates the drying of the medium. The transportation path includes an inlet path, an outlet path, a first branch path, a second branch path, a first junction path, a second junction path, a switch-back type inversion path with a first inversion path and a second inversion path. The first branch path and the second branch path which branch off at a branch point from the inlet path. The first junction path and the second junction path and the outlet path join each other at a junction point. The first branch path and the first junction path and the first inversion path join each other at a first connection point. The second branch path and the second junction path and the second inversion path join each other at a second connection point.Type: GrantFiled: December 17, 2021Date of Patent: April 25, 2023Assignee: Seiko Epson CorporationInventors: Yutaro Harada, Kohei Ueno, Akinori Muromachi, Hidetoshi Kodama, Kazuyoshi Ohashi, Tsuyoshi Furumido, Hirohisa Adachi
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Publication number: 20230053483Abstract: A printing system includes a printing unit, a position determiner that randomly determines a position where a first information code is to be set, a modifier that modifies print data for printing an image, the first information code, and a positional information code having recorded therein positional information at the time of printing that indicates the position determined by the position determiner so that the first information code is set at the position determined by the position determiner, an acquirer that acquires the position of the first information code on a print medium as positional information and acquires the positional information at the time of the printing from the positional information code, and a determiner that determines whether the printing result is a falsified matter based on comparison of the positional information after the printing with the positional information at the time of the printing.Type: ApplicationFiled: August 17, 2022Publication date: February 23, 2023Inventors: Kazuyoshi OHASHI, Shun HARA, Kenji UCHIBORI, Riku MAEDA, Hirofumi YANAGISAWA, Yu TSUMURAYA, Kei SADAKUNI
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Publication number: 20220281702Abstract: A medium loading device includes a side end aligning member which is positioned at a standby position when a medium is ejected; and a control section. When a value based on first information relating to recording density of a medium to be ejected this time and at least one medium among the media ejected previously is equal to or greater than a threshold value, the control section specifies a first position, which overlaps the medium to be ejected this time, as the standby position, and when the value based on the first information is less than the threshold value, the control section specifies a second position, which does not overlap the medium to be ejected this time, as the standby position, and the control section adjusts the threshold value based on second information relating to at least one medium among the media recorded before the ejection at this time.Type: ApplicationFiled: March 1, 2022Publication date: September 8, 2022Inventors: Hirofumi YANAGISAWA, Kazuyoshi OHASHI, Shun HARA, Kenji UCHIBORI, Kei SADAKUNI
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Publication number: 20220274427Abstract: A recording system 1 includes a first discharge portion that discharges medium recorded on by ejecting ink, a stacking tray configured to have stacked thereon the medium P discharged by the first discharge portion, a raising and lowering mechanism 78 configured to raise and lower the stacking tray, a control unit 25 that controls the raising and lowering mechanism 78, and an estimation unit 51 configured to estimate weight of the medium P loaded on the stacking tray, wherein the control unit 25 controls the raising and lowering operation of the stacking tray based on the weight of the medium estimated by the estimation unit 51.Type: ApplicationFiled: February 28, 2022Publication date: September 1, 2022Inventors: Kazuyoshi OHASHI, Yu TSUMURAYA
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Publication number: 20220105734Abstract: An intermediate unit includes a transportation path provided with a drying unit that accelerates the drying of the medium. The transportation path includes an inlet path, an outlet path, a first branch path, a second branch path, a first junction path, a second junction path, a switch-back type inversion path with a first inversion path and a second inversion path. The first branch path and the second branch path which branch off at a branch point from the inlet path. The first junction path and the second junction path and the outlet path join each other at a junction point. The first branch path and the first junction path and the first inversion path join each other at a first connection point. The second branch path and the second junction path and the second inversion path join each other at a second connection point.Type: ApplicationFiled: December 17, 2021Publication date: April 7, 2022Inventors: Yutaro HARADA, Kohei UENO, Akinori MUROMACHI, Hidetoshi KODAMA, Kazuyoshi OHASHI, Tsuyoshi FURUMIDO, Hirohisa ADACHI
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Patent number: 11235594Abstract: An intermediate unit includes a transportation path along which a medium, on which printing has been performed by a printing unit that performs printing on the medium by using liquid, is transported to a post processing unit that performs post processing on the medium. The transportation path is provided with a drying unit that accelerates the drying of the medium. The drying unit is driven according to the printing data.Type: GrantFiled: August 20, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventors: Yutaro Harada, Kohei Ueno, Akinori Muromachi, Hidetoshi Kodama, Kazuyoshi Ohashi, Tsuyoshi Furumido, Hirohisa Adachi
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Patent number: 11180336Abstract: A medium transporting apparatus includes a transport belt that has a loop shaped, a cling mechanism that causes the medium to cling to the transport belt, a rotation mechanism that transports the medium by rotating the transport belt, a plurality of detection units that detect an transport direction end of the medium, a controller that corrects a skew of the medium, and a stacker on which the medium transported by the transport belt is stacked, in which the plurality of detection units are arranged at positions that are on an upstream side of the transport belt in the first transport direction and that are different from each other in a width direction, and the controller corrects, according to a result of the detection by the detection units, the skew of the medium in a state of being cling to the transport belt.Type: GrantFiled: March 27, 2019Date of Patent: November 23, 2021Assignee: Seiko Epson CorporationInventors: Kazuyoshi Ohashi, Tsuyoshi Furumido, Akinobu Nakahata, Katsuyuki Kondo
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Publication number: 20210347594Abstract: A medium transport unit includes an upstream route in which a print sheet is transported, a first switchback route, a second switchback route, a first guide route, a second guide route, a guide flap configured to switch the route so that the print sheet in the upstream route is transported either toward the first guide route or toward the second guide route, a first discharge route from which the print sheet in the first switchback route is discharged, a second discharge route from which the print sheet in the second switchback route is discharged, and a downstream route passing between the first switchback route and the second switchback route and having an upstream end connected to a junction of downstream ends of the first discharge route and the second discharge route.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Inventors: Hidetoshi KODAMA, Yuichi Segawa, Kazuyoshi Ohashi