Patents by Inventor Kenji Eoka
Kenji Eoka 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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Publication number: 20240140120Abstract: A printer includes upper and lower modules that are pivotably attached to each other. A first lock portion includes a first fastener on the lower module and a first holding portion on the upper module with a first fastener holding position and a first fastener release position. A second lock portion includes a second fastener on the upper module and a second holding portion on the lower module with a second fastener holding position and a second fastener release position. A link lever is on the upper module and reciprocates back-and-forth. When moved backwards, the link lever moves the first and second holding portions to the respective release positions.Type: ApplicationFiled: January 4, 2024Publication date: May 2, 2024Inventor: Kenji EOKA
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Publication number: 20230339245Abstract: A printer includes a housing in which a sheet is stored in a rolled shape, a head by which an image is printed on the sheet, a flapper configured to pivot around an axis at a first end thereof including a surface extending from the first end to a second end of the flapper and biased to press the stored sheet against the housing, and a protrusion at the first end of the flapper that rotates around the axis as the flapper pivots, a sensor, and a controller configured to issue a signal when the protrusion is rotated around the axis to move into a detection range of the sensor.Type: ApplicationFiled: December 1, 2022Publication date: October 26, 2023Inventors: Kiyotaka NIHASHI, Kenji EOKA
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Patent number: 11701903Abstract: A printer has a lower module and upper module. The lower module has a paper feed unit and a printing unit. A back of the upper module is hinged to lower module. A paper handling part holds paper after printing by the printing unit. A discharge unit in the upper module moves the paper out of the upper module while maintaining a hold on a rear portion of the paper and to draw the paper back into the upper module after an elapse of time. A container includes a support member that rotates into contact with and moves away from a lower part of the upper module. The container configured to receive and store the paper that has been drawn back by the discharge unit. The paper is stored in a region between the support member and the lower part of the upper module.Type: GrantFiled: April 20, 2022Date of Patent: July 18, 2023Assignee: Toshiba Tec Kabushiki KaishaInventors: Kok Wei Lee, Kenji Eoka, Ting Yee Chin, Jia Juin Chan
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Patent number: 11691842Abstract: In accordance with an embodiment, an image forming apparatus comprises an image forming section configured to form an image on a sheet; a sheet discharge port through which the sheet is discharged; a sheet conveyance roller configured to convey the sheet to the sheet discharge port; a movable sheet guide, arranged in such a manner that an imaginary line connecting a portion contacting the sheet of the sheet conveyance roller with the sheet discharge port passes through a cross-sectional area, configured to be capable of moving in a direction away from a surface of the sheet; and a guide sensor configured to detect movement of the movable sheet guide.Type: GrantFiled: November 3, 2021Date of Patent: July 4, 2023Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Kenji Eoka, Akira Suzuki
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Publication number: 20230001716Abstract: A printer has a lower module and upper module. The lower module has a paper feed unit and a printing unit. A back of the upper module is hinged to lower module. A paper handling part holds paper after printing by the printing unit. A discharge unit in the upper module moves the paper out of the upper module while maintaining a hold on a rear portion of the paper and to draw the paper back into the upper module after an elapse of time. A container includes a support member that rotates into contact with and moves away from a lower part of the upper module. The container configured to receive and store the paper that has been drawn back by the discharge unit. The paper is stored in a region between the support member and the lower part of the upper module.Type: ApplicationFiled: April 20, 2022Publication date: January 5, 2023Inventors: Kok WEI LEE, Kenji EOKA, Ting YEE CHIN, Jia JUIN CHAN
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Publication number: 20220380161Abstract: A sheet conveyance device of an embodiment includes a carrying-in unit feeds a sheet to a stacking unit; a lower conveyance unit applies a force to a lower side of a sheet stacked on the stacking unit to move the sheet; a lifting and lowering unit lifts and lowers at least an end of the lower conveyance unit on a side close to the carrying-in unit in at least three stages (lower, middle, and upper); an upper conveyance unit faces the lower conveyance unit and applies a force to the upper side of a sheet pinched between the upper conveyance unit and the lower conveyance unit that is moved to the upper stage to move the sheet; and a stopper protrudes above the lower conveyance unit placed at the lower stage by the lifting and lowering unit, and the downstream end in the feeding direction of a sheet abuts on the stopper.Type: ApplicationFiled: August 8, 2022Publication date: December 1, 2022Inventors: Tsutomu FUJIWARA, Tingyee CHIN, Kenji EOKA
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Publication number: 20220281248Abstract: A printer includes upper and lower modules that are pivotably attached to each other. A first lock portion includes a first fastener on the lower module and a first holding portion on the upper module with a first fastener holding position and a first fastener release position. A second lock portion includes a second fastener on the upper module and a second holding portion on the lower module with a second fastener holding position and a second fastener release position. A link lever is on the upper module and reciprocates back-and-forth. When moved backwards, the link lever moves the first and second holding portions to the respective release positions.Type: ApplicationFiled: December 14, 2021Publication date: September 8, 2022Inventor: Kenji EOKA
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Publication number: 20220055854Abstract: In accordance with an embodiment, an image forming apparatus comprises an image forming section configured to form an image on a sheet; a sheet discharge port through which the sheet is discharged; a sheet conveyance roller configured to convey the sheet to the sheet discharge port; a movable sheet guide, arranged in such a manner that an imaginary line connecting a portion contacting the sheet of the sheet conveyance roller with the sheet discharge port passes through a cross-sectional area, configured to be capable of moving in a direction away from a surface of the sheet; and a guide sensor configured to detect movement of the movable sheet guide.Type: ApplicationFiled: November 3, 2021Publication date: February 24, 2022Inventors: Kenji Eoka, Akira Suzuki
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Patent number: 11046095Abstract: In accordance with an embodiment, a printer comprises a housing section configured to accommodate a roll body obtained by winding an elongated image receiving medium in a roll shape; a conveyance section configured to pull out the image receiving medium from the roll body to convey it; a printing section configured to perform printing on the image receiving medium pulled out of the roll body by the conveyance section; and a buffer device arranged at the bottom of the housing section on an upstream side of the conveyance section along a direction in which the image receiving medium is pulled out by the conveyance direction so as to apply a pressing force in a direction towards the roll body to the image receiving medium pulled out of the roll body.Type: GrantFiled: October 8, 2019Date of Patent: June 29, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: John Huang Ung Wong, Kenji Eoka, Yun Reng Loh
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Patent number: 10946677Abstract: A printer comprises a printer casing accommodating a rolled paper and including an opening through which the roll paper is loaded; a roll-paper holder, arranged on one of the ends side of the printer casing and including a holding member formed in an arc shape; a cover including a lid opened or closed by a hinge mechanism pivotally supported on the one of the ends side of the opening to open or close the opening, and a roll-cover, integrally formed with the lid, which has an arc shape in cross section to move along an outer surface of the roll-paper holder; a paper conveyance mechanism, arranged in the printer casing, configured to pull out and convey a leading end paper from the rolled paper; and a printing mechanism, arranged in the printer casing, configured to perform printing on the paper conveyed by the paper conveyance mechanism.Type: GrantFiled: June 18, 2019Date of Patent: March 16, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: YunReng Loh, InSeng Ooi, Kenji Eoka, Kiyotaka Nihashi
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Publication number: 20200198375Abstract: In accordance with an embodiment, a printer comprises a housing section configured to accommodate a roll body obtained by winding an elongated image receiving medium in a roll shape; a conveyance section configured to pull out the image receiving medium from the roll body to convey it; a printing section configured to perform printing on the image receiving medium pulled out of the roll body by the conveyance section; and a buffer device arranged at the bottom of the housing section on an upstream side of the conveyance section along a direction in which the image receiving medium is pulled out by the conveyance direction so as to apply a pressing force in a direction towards the roll body to the image receiving medium pulled out of the roll body.Type: ApplicationFiled: October 8, 2019Publication date: June 25, 2020Inventors: John Huang Ung Wong, Kenji Eoka, Yun Reng Loh
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Publication number: 20190389233Abstract: A printer comprises a printer casing accommodating a rolled paper and including an opening through which the roll paper is loaded; a roll-paper holder, arranged on one of the ends side of the printer casing and including a holding member formed in an arc shape; a cover including a lid opened or closed by a hinge mechanism pivotally supported on the one of the ends side of the opening to open or close the opening, and a roll-cover, integrally formed with the lid, which has an arc shape in cross section to move along an outer surface of the roll-paper holder; a paper conveyance mechanism, arranged in the printer casing, configured to pull out and convey a leading end paper from the rolled paper; and a printing mechanism, arranged in the printer casing, configured to perform printing on the paper conveyed by the paper conveyance mechanism.Type: ApplicationFiled: June 18, 2019Publication date: December 26, 2019Inventors: YunReng Loh, InSeng Ooi, Kenji Eoka, Kiyotaka Nihashi
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Publication number: 20190359444Abstract: In accordance with an embodiment, an image forming apparatus comprises an image forming section configured to form an image on a sheet; a sheet discharge port through which the sheet is discharged; a sheet conveyance roller configured to convey the sheet to the sheet discharge port; a movable sheet guide, arranged in such a manner that an imaginary line connecting a portion contacting the sheet of the sheet conveyance roller with the sheet discharge port passes through a cross-sectional area, configured to be capable of moving in a direction away from a surface of the sheet; and a guide sensor configured to detect movement of the movable sheet guide.Type: ApplicationFiled: May 20, 2019Publication date: November 28, 2019Inventors: Kenji Eoka, Akira Suzuki
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Publication number: 20190180265Abstract: A printer according to an embodiment includes a printing unit that prints on a sheet. The sheet is discharged through an outlet. The sheet is conveyed on a sheet conveyance path through the printing unit and to the outlet. A movable device is located on the sheet conveyance path upstream of the outlet in a sheet conveying direction. The movable device can move between a separation position, a proximity position, and a protruding position. A detection device detects a position of the movable device. A controller determines a conveyance abnormality of the sheet based on the state of the movable device detected by the detection device, and outputs a signal indicating the conveyance abnormality.Type: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Inventors: Kenji EOKA, In Seng OOI, Ting Yee CHIN, Wui Khen Kevin LIAW, Tsuyoshi SANADA
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Patent number: 9944485Abstract: A paper discharging apparatus comprises: a first conveying unit; a second conveying unit which includes a pinch roller and a feeding roller that are arranged closer to the downstream side; a movable mechanism which moves a surface part between a first position that the surface part is not contacted with the pinch roller and a second position that the surface part is contacted with the pinch roller through the paper so as to push the pinch roller; a control unit which moves the surface part to the second position, clamps the paper by the pinch roller and the surface part, and conveys the paper, thereby bending the paper, and which moves the surface part to the first position and clamps the paper by the pinch roller and the feeding roller, and rotates the feeding roller, thereby discharging the paper from the conveyance path.Type: GrantFiled: July 11, 2016Date of Patent: April 17, 2018Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Kenji Eoka, Tsuyoshi Sanada
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Publication number: 20180060852Abstract: A printer according to an embodiment includes a printing unit that prints on a sheet. The sheet is discharged through an outlet. The sheet is conveyed on a sheet conveyance path through the printing unit and to the outlet. A movable device is located on the sheet conveyance path upstream of the outlet in a sheet conveying direction. The movable device can move between a separation position, a proximity position, and a protruding position. A detection device detects a position of the movable device. A controller determines a conveyance abnormality of the sheet based on the state of the movable device detected by the detection device, and outputs a signal indicating the conveyance abnormality.Type: ApplicationFiled: August 23, 2017Publication date: March 1, 2018Inventors: Kenji EOKA, In Seng Ooi, Ting Yee Chin, Wui Khen Kevin Liaw, Tsuyoshi Sanada
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Patent number: 9751338Abstract: According to one embodiment, a dual purpose printer has a housing, a printing medium supporting section, a first printing section, and a second printing section. The housing has a discharge port and an entrance port. The printing medium supporting section is arranged inside the housing, and rotatably supports a rolled printing medium. The first printing section is configured to print on a top surface of a first continuous sheet printing medium drawn from the rolled printing medium supported on the printing medium supporting section, and to print on a second printing medium carried in through the entrance port. The second printing section is arranged inside the housing, and is configured to print on the bottom surface of the first continuous sheet printing medium.Type: GrantFiled: August 9, 2016Date of Patent: September 5, 2017Assignee: Toshiba TEC Kabushiki KaishaInventors: Toshiharu Sekino, Kenji Eoka
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Patent number: 9527691Abstract: A paper discharging apparatus comprises: a first conveying unit; a second conveying unit which includes a pinch roller and a feeding roller that are arranged closer to the downstream side; a movable mechanism which moves a surface part between a first position that the surface part is not contacted with the pinch roller and a second position that the surface part is contacted with the pinch roller through the paper so as to push the pinch roller; a control unit which moves the surface part to the second position, clamps the paper by the pinch roller and the surface part, and conveys the paper, thereby bending the paper, and which moves the surface part to the first position and clamps the paper by the pinch roller and the feeding roller, and rotates the feeding roller, thereby discharging the paper from the conveyance path.Type: GrantFiled: December 2, 2014Date of Patent: December 27, 2016Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Kenji Eoka, Tsuyoshi Sanada
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Publication number: 20160347089Abstract: According to one embodiment, a dual purpose printer has a housing, a printing medium supporting section, a first printing section, and a second printing section. The housing has a discharge port and an entrance port. The printing medium supporting section is arranged inside the housing, and rotatably supports a rolled printing medium. The first printing section is configured to print on a top surface of a first continuous sheet printing medium drawn from the rolled printing medium supported on the printing medium supporting section, and to print on a second printing medium carried in through the entrance port. The second printing section is arranged inside the housing, and is configured to print on the bottom surface of the first continuous sheet printing medium.Type: ApplicationFiled: August 9, 2016Publication date: December 1, 2016Inventors: Toshiharu SEKINO, Kenji EOKA
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Publication number: 20160318316Abstract: A paper discharging apparatus comprises: a first conveying unit; a second conveying unit which includes a pinch roller and a feeding roller that are arranged closer to the downstream side; a movable mechanism which moves a surface part between a first position that the surface part is not contacted with the pinch roller and a second position that the surface part is contacted with the pinch roller through the paper so as to push the pinch roller; a control unit which moves the surface part to the second position, clamps the paper by the pinch roller and the surface part, and conveys the paper, thereby bending the paper, and which moves the surface part to the first position and clamps the paper by the pinch roller and the feeding roller, and rotates the feeding roller, thereby discharging the paper from the conveyance path.Type: ApplicationFiled: July 11, 2016Publication date: November 3, 2016Inventors: Kenji Eoka, Tsuyoshi Sanada