Patents by Inventor Noriyuki Sugiyama
Noriyuki Sugiyama 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: 20170129726Abstract: A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet.Type: ApplicationFiled: January 24, 2017Publication date: May 11, 2017Inventors: Tomofumi Nishida, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tetsuya Saito, Yoshiaki Suzuki, Syunichi Kunihiro
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Patent number: 9598253Abstract: A printing apparatus comprises a feeding roller configured to feed a printing sheet, a conveyance roller configured to convey the printing sheet, a printing unit configured to print on the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, an acquisition unit configured to acquire, before completion of a printing operation of the preceding sheet, information of a leading edge position of the succeeding sheet, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet in accordance with the leading edge position of the succeeding sheet.Type: GrantFiled: May 19, 2015Date of Patent: March 21, 2017Assignee: Canon Kabushiki KaishaInventors: Tetsuya Saito, Noriyuki Sugiyama, Yasuyuki Asai, Syunichi Kunihiro
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Patent number: 9597900Abstract: The present invention provides a printing apparatus. The printing apparatus includes a feeding unit, a pair of rollers configured to nip a printing medium and to convey the printing medium fed by the feeding unit, a printing unit and a control unit. The control unit can execute successive overlapped conveyance in which the pair of rollers nip an overlapping portion between a trailing edge of a preceding printing medium and a leading edge of a succeeding printing medium and convey them. The control unit executes the successive overlapped conveyance at least on condition that printing of the preceding printing medium by the printing unit has ended.Type: GrantFiled: May 28, 2015Date of Patent: March 21, 2017Assignee: Canon Kabushiki KaishaInventors: Yasufumi Tanaami, Tetsuya Saito, Noriyuki Sugiyama, Syunichi Kunihiro
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Patent number: 9586780Abstract: A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet.Type: GrantFiled: February 17, 2015Date of Patent: March 7, 2017Assignee: Canon Kabushiki KaishaInventors: Tomofumi Nishida, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tetsuya Saito, Yoshiaki Suzuki, Syunichi Kunihiro
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Patent number: 9566806Abstract: A printing apparatus includes: a printhead configured to print an image by discharging ink to a first surface as a front surface of a printing sheet and a second surface as a back surface of the printing sheet; a conveyance roller configured to perform a first conveyance operation of conveying a printing sheet to a position facing the printhead, and a second conveyance operation of conveying the printing sheet in a direction opposite to a conveyance direction in the first conveyance operation after the image is printed on the first surface of the printing sheet; a reversing roller configured to reverse the printing sheet conveyed by the second conveyance operation; and a control unit configured to control a driving speed of the reversing roller based on an ink discharge amount on the first surface of the printing sheet.Type: GrantFiled: August 3, 2015Date of Patent: February 14, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Motoyuki Taguchi, Noriyuki Sugiyama
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Publication number: 20160318319Abstract: A printing apparatus comprises a conveyance control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and a leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other; and a skew correction unit which performs skew correction of the succeeding sheet while the succeeding sheet overlaps the preceding sheet by the conveyance control unit. The skew correction unit makes the leading edge of the succeeding sheet abut against the conveyance roller during a time from an end of a last line feed operation by the conveyance roller for printing on the preceding sheet by the printing unit to start of a next conveyance operation.Type: ApplicationFiled: July 8, 2016Publication date: November 3, 2016Inventors: Yasuyuki Asai, Syunichi Kunihiro, Naoki Aoyama, Katsuya Ogawa, Noriyuki Sugiyama, Yasufumi Tanaami, Ryo Yonemoto
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Patent number: 9443173Abstract: A printing apparatus comprises a conveyance control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet as a printing sheet precedingly fed from a stacking unit and a leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit which determines whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet. The determination unit determines whether the printing sheet is suitable for overlap conveyance, and if the determination unit determines that the printing sheet is unsuitable for overlap conveyance, the conveyance control unit conveys the succeeding sheet while the succeeding sheet does not overlap the preceding sheet.Type: GrantFiled: May 27, 2015Date of Patent: September 13, 2016Assignee: Canon Kabushiki KaishaInventors: Motoyuki Taguchi, Syunichi Kunihiro, Tetsuya Saito, Yoshiaki Suzuki, Noriyuki Sugiyama, Yasuyuki Asai, Ryo Yonemoto
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Patent number: 9428355Abstract: A printing apparatus has a conveyance control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and a leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other; and a skew correction unit which performs skew correction of the succeeding sheet while the succeeding sheet overlaps the preceding sheet by the conveyance control unit. The skew correction unit makes the leading edge of the succeeding sheet abut against the conveyance roller during a time from an end of a last line feed operation by the conveyance roller for printing on the preceding sheet by the printing unit to start of a next conveyance operation.Type: GrantFiled: May 27, 2015Date of Patent: August 30, 2016Assignee: Canon Kabushiki KaishaInventors: Yasuyuki Asai, Syunichi Kunihiro, Naoki Aoyama, Katsuya Ogawa, Noriyuki Sugiyama, Yasufumi Tanaami, Ryo Yonemoto
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Patent number: 9370946Abstract: A printing apparatus comprises a feeding roller configured to feed a printing sheet, a conveyance roller configured to convey the printing sheet, a printing unit configured to print on the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, a determination unit configured to determine whether the leading edge of the succeeding sheet overlaps the trailing edge of the preceding sheet, and a delay unit configured to delay conveyance of the preceding sheet when the determination unit determines that the leading edge of the succeeding sheet does not overlap the trailing edge of the preceding sheet.Type: GrantFiled: May 27, 2015Date of Patent: June 21, 2016Assignee: Canon Kabushiki KaishaInventors: Tomofumi Nishida, Yoshiaki Suzuki, Noriyuki Sugiyama, Yasuyuki Asai, Masashi Ito, Naoki Aoyama, Syunichi Kunihiro
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Patent number: 9360819Abstract: A printing apparatus according to the present invention includes a feeding unit, a conveying unit including a pair of rollers, a printing unit, a control unit and a determination unit. The control can execute successive overlapped conveyance and skew correction. In the skew correction a leading edge of the printing medium abuts against the pair of rollers in a stop state. The determination unit determines whether to execute the successive overlapped conveyance. The control unit executes the skew correction of the succeeding printing medium at a timing according to a determination result of the determination unit.Type: GrantFiled: May 21, 2015Date of Patent: June 7, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Sugiyama, Yasuyuki Asai, Syunichi Kunihiro, Naoki Aoyama, Toshiyuki Kuroda, Yoshiaki Suzuki
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Patent number: 9272872Abstract: A sheet stacking device that can appropriately stack, at a fixed position, sheets that are discharged to a discharge tray, and a printing apparatus are provided. A presser member holds down, at a pressing position, the sheets stacked on the discharge tray. The presser member is moved from the pressing position to a retraction position in a period after discharging of a sheet has been started and before discharging of a succeeding sheet is started.Type: GrantFiled: February 2, 2015Date of Patent: March 1, 2016Assignee: Canon Kabushiki KaishaInventors: Noriyuki Sugiyama, Hiroyuki Saito, Yasuyuki Asai, Atsushi Ikeda
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Publication number: 20160052309Abstract: A printing apparatus includes: a printhead configured to print an image by discharging ink to a first surface as a front surface of a printing sheet and a second surface as a back surface of the printing sheet; a conveyance roller configured to perform a first conveyance operation of conveying a printing sheet to a position facing the printhead, and a second conveyance operation of conveying the printing sheet in a direction opposite to a conveyance direction in the first conveyance operation after the image is printed on the first surface of the printing sheet; a reversing roller configured to reverse the printing sheet conveyed by the second conveyance operation; and a control unit configured to control a driving speed of the reversing roller based on an ink discharge amount on the first surface of the printing sheet.Type: ApplicationFiled: August 3, 2015Publication date: February 25, 2016Inventors: Motoyuki Taguchi, Noriyuki Sugiyama
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Publication number: 20150353308Abstract: A printing apparatus comprises a conveyance control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet as a printing sheet precedingly fed from a stacking unit and a leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit which determines whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet. The determination unit determines whether the printing sheet is suitable for overlap conveyance, and if the determination unit determines that the printing sheet is unsuitable for overlap conveyance, the conveyance control unit conveys the succeeding sheet while the succeeding sheet does not overlap the preceding sheet.Type: ApplicationFiled: May 27, 2015Publication date: December 10, 2015Inventors: Motoyuki Taguchi, Syunichi Kunihiro, Tetsuya Saito, Yoshiaki Suzuki, Noriyuki Sugiyama, Yasuyuki Asai, Ryo Yonemoto
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Publication number: 20150353311Abstract: A printing apparatus comprises a conveyance control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and a leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other; and a skew correction unit which performs skew correction of the succeeding sheet while the succeeding sheet overlaps the preceding sheet by the conveyance control unit. The skew correction unit makes the leading edge of the succeeding sheet abut against the conveyance roller during a time from an end of a last line feed operation by the conveyance roller for printing on the preceding sheet by the printing unit to start of a next conveyance operation.Type: ApplicationFiled: May 27, 2015Publication date: December 10, 2015Inventors: Yasuyuki Asai, Syunichi Kunihiro, Naoki Aoyama, Katsuya Ogawa, Noriyuki Sugiyama, Yasufumi Tanaami, Ryo Yonemoto
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Publication number: 20150352866Abstract: The present invention provides a printing apparatus. The printing apparatus includes a feeding unit, a pair of rollers configured to nip a printing medium and to convey the printing medium fed by the feeding unit, a printing unit and a control unit. The control unit can execute successive overlapped conveyance in which the pair of rollers nip an overlapping portion between a trailing edge of a preceding printing medium and a leading edge of a succeeding printing medium and convey them. The control unit executes the successive overlapped conveyance at least on condition that printing of the preceding printing medium by the printing unit has ended.Type: ApplicationFiled: May 28, 2015Publication date: December 10, 2015Inventors: Yasufumi Tanaami, Tetsuya Saito, Noriyuki Sugiyama, Syunichi Kunihiro
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Publication number: 20150353307Abstract: A printing apparatus comprises a feeding roller configured to feed a printing sheet, a conveyance roller configured to convey the printing sheet, a printing unit configured to print on the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, a determination unit configured to determine whether the leading edge of the succeeding sheet overlaps the trailing edge of the preceding sheet, and a delay unit configured to delay conveyance of the preceding sheet when the determination unit determines that the leading edge of the succeeding sheet does not overlap the trailing edge of the preceding sheet.Type: ApplicationFiled: May 27, 2015Publication date: December 10, 2015Inventors: Tomofumi Nishida, Yoshiaki Suzuki, Noriyuki Sugiyama, Yasuyuki Asai, Masashi Ito, Naoki Aoyama, Syunichi Kunihiro
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Publication number: 20150353306Abstract: A printing apparatus comprises a feeding roller configured to feed a printing sheet, a conveyance roller configured to convey the printing sheet, a printing unit configured to print on the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, an acquisition unit configured to acquire, before completion of a printing operation of the preceding sheet, information of a leading edge position of the succeeding sheet, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet in accordance with the leading edge position of the succeeding sheet.Type: ApplicationFiled: May 19, 2015Publication date: December 10, 2015Inventors: Tetsuya Saito, Noriyuki Sugiyama, Yasuyuki Asai, Syunichi Kunihiro
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Publication number: 20150355592Abstract: A printing apparatus according to the present invention includes a feeding unit, a conveying unit including a pair of rollers, a printing unit, a control unit and a determination unit. The control can execute successive overlapped conveyance and skew correction. In the skew correction a leading edge of the printing medium abuts against the pair of rollers in a stop state. The determination unit determines whether to execute the successive overlapped conveyance. The control unit executes the skew correction of the succeeding printing medium at a timing according to a determination result of the determination unit.Type: ApplicationFiled: May 21, 2015Publication date: December 10, 2015Inventors: Noriyuki Sugiyama, Yasuyuki Asai, Syunichi Kunihiro, Naoki Aoyama, Toshiyuki Kuroda, Yoshiaki Suzuki
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Publication number: 20150256694Abstract: A printing apparatus includes a first feeding roller, a feeding motor configured to drive the first feeding roller, a second feeding roller, a conveyance roller, a conveyance motor configured to drive the conveyance roller, a printing unit configured to print the printing sheet, a detection sensor configured to detect the leading edge of the printing sheet, and a control unit configured to, when the printing unit performs a printing operation on a preceding sheet, drive the feeding motor in synchronization with the conveyance motor before the detection sensor detects the leading edge of a succeeding sheet, and continuously drive the feeding motor so that the conveying speed of the succeeding sheet by the feeding motor becomes higher than that of the preceding sheet after the detection sensor detects the leading edge of the succeeding sheet.Type: ApplicationFiled: February 17, 2015Publication date: September 10, 2015Inventors: Yoshiaki Suzuki, Tetsuya Saito, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tomofumi Nishida, Syunichi Kunihiro
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Publication number: 20150251865Abstract: A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet.Type: ApplicationFiled: February 17, 2015Publication date: September 10, 2015Inventors: Tomofumi Nishida, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tetsuya Saito, Yoshiaki Suzuki, Syunichi Kunihiro