Patents by Inventor Ryosuke Sato
Ryosuke Sato 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: 20140176736Abstract: A communication apparatus of the present invention includes a first acquisition unit configured to acquire first information that causes the communication apparatus to decide whether a different communication apparatus has a function to disconnect a power source according to an instruction from the communication apparatus, a second acquisition unit configured to acquire second information that shows an operation mode of the different communication apparatus, and a notification unit configured to notify a user that, in a case where the wireless communication with the different communication apparatus is disconnected, the different communication apparatus is instructed to disconnect the wireless communication and disconnect the power source of the different communication apparatus according to the first information and the second information.Type: ApplicationFiled: December 16, 2013Publication date: June 26, 2014Applicant: CANON KABUSHIKI KAISHAInventor: Ryosuke Sato
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Patent number: 8752954Abstract: A sheet conveyance apparatus comprising: a sheet conveyance path; a loop forming unit that is disposed on the sheet conveyance path and bends, in a loop, the sheet to be conveyed; and a guide unit that is stepwise high at both sides whereas low at the center, as viewed in a sheet conveyance direction, and extends in the sheet conveyance direction, wherein the sheet sagging in the loop by the loop forming unit enters a guide region being defined between opposite guide faces of paired steps in the stepwise guide unit and having a width according to the width of the sheet, so that the side edges of the sheet abut against the guide faces, thus correcting the skewing of the sheet in the sheet conveyance direction.Type: GrantFiled: October 5, 2012Date of Patent: June 17, 2014Assignee: Canon Kabushiki KaishaInventors: Ryosuke Sato, Kenji Shigeno, Masato Izumi
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Patent number: 8750780Abstract: A decurling unit regulates a decurling force so as to be smaller when a sheet is returned from a printing unit to a sheet feeding unit than when the sheet is fed from the sheet feeding unit to the printing unit.Type: GrantFiled: November 18, 2010Date of Patent: June 10, 2014Assignee: Canon Kabushiki KaishaInventors: Masato Izumi, Tetsuhiro Nitta, Ryosuke Sato, Kenji Shigeno
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Patent number: 8746997Abstract: A method includes pulling out and conveying a sheet having splice portions, acquiring information relating to a position of an indentation on the sheet formed in addition to a splice portion, and performing processing on the sheet but a position corresponding to the acquired position of the indentation and its vicinity.Type: GrantFiled: March 4, 2013Date of Patent: June 10, 2014Assignee: Canon Kabushiki KaishaInventors: Toshiki Takeuchi, Yasuhiko Ikeda, Koichiro Kawaguchi, Kengo Nieda, Masahito Yoshida, Masato Izumi, Kenji Shigeno, Ryosuke Sato
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Publication number: 20140091127Abstract: A sheet conveying device that more appropriately corrects a positional deviation for a sheet and reduces the time required for a correction of the positional deviation. The sheet conveying device includes a guide unit, for guiding the edges of the sheet that is conveyed and for correcting a positional deviation, and a buffer unit located upstream of the guide unit to form a slack for the sheet, so that one part of the slack formed by the buffer unit is guided by the guide unit. The buffer unit includes an upstream roller pair and a downstream roller pair, and a slack for the sheet is formed between the upstream roller pair and the downstream roller pair.Type: ApplicationFiled: September 20, 2013Publication date: April 3, 2014Applicant: CANON KABUSHIKI KAISHAInventor: Ryosuke SATO
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Patent number: 8684355Abstract: A sheet conveyance apparatus includes: a guide unit for guiding the side end of the sheet; a first roller pair arranged on the downstream side of the guide unit for conveying the sheet, including a driven roller held in contact with a whole sheet in a sheet width direction; and a second roller pair having a conveyance roller arranged on the downstream side of the roller and adapted to convey the sheet, and a plurality of pinch rollers pinching the sheet in cooperation with the conveyance roller, wherein each of the plurality of pinch rollers applies to the sheet a conveyance force inclined toward a conveyance path side end, which is nearer to the pinch roller, and wherein the smaller the distance between the pinch roller and the conveyance path side end, the greater the inclination of the conveyance force thereof.Type: GrantFiled: February 4, 2013Date of Patent: April 1, 2014Assignee: Canon Kabushiki KaishaInventors: Kengo Nieda, Koichiro Kawaguchi, Toshiki Takeuchi, Ryosuke Sato, Shigeru Toriihara
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Patent number: 8662761Abstract: A laser optical system using optical fiber transmission, includes a first optical fiber for transmitting laser light emitted from a laser oscillator, a collimator lens for collimating laser light emitted from the first optical fiber, a spherical array lens including a plurality of cells for converging laser light emitted from the collimator lens into a plurality of spots, a plurality of second optical fibers each having a smaller core diameter than the first optical fiber and configured to admit the laser light converged into the corresponding spot by the spherical array lens, the second optical fibers having output ends that have mutually parallel axial lines and are arranged linearly in a single row, and a linearization optical unit for shaping laser light emitted from the second optical fibers into laser light having a linear cross section at an illuminated surface.Type: GrantFiled: April 27, 2012Date of Patent: March 4, 2014Assignees: Showa Optronics Co., Ltd., The Japan Steel Works, LtdInventors: Tomonari Yahata, Yoshiaki Aida, Ryotaro Togashi, Ryosuke Sato, Toshio Inami, Hideaki Kusama
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Patent number: 8585047Abstract: An apparatus includes a first conveyance unit configured to convey a sheet, a first guide located downstream of the first conveyance unit in a conveyance direction and configured to guide a first side end of the conveyed sheet, a skew unit configured to convey the sheet in an oblique direction to come closer to the first guide, a second guide configured to contact a second side end opposite the first side end to guide the second side end, a second conveyance unit located downstream of the first guide in the conveyance direction, and a control unit configured to perform control so that, after conveying the sheet by the skew unit with the first guide contacting the first side end while the second guide is separated from the second side end, the second guide moves to a position close to the second side end.Type: GrantFiled: December 10, 2010Date of Patent: November 19, 2013Assignee: Canon Kabushiki KaishaInventors: Ryosuke Sato, Kenji Shigeno, Koichiro Kawaguchi, Toshiki Takeuchi, Kengo Nieda
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Patent number: 8554127Abstract: In a first step, a sheet is conveyed in a direction, whereby a leading end portion of the sheet is fed to a position between a decurl roller and a decurl pinch roller, which are in positions spaced apart from each other. In a second step, the leading end portion of the sheet is curved and held by causing the decurl pinch roller to come close to or press against the decurl roller. In a third step, the leading end portion of the sheet is withdrawn from between the decurl roller and the decurl pinch roller by conveying the sheet in a direction opposed to the conveying direction. After executing the first to third steps, the sheet is conveyed in the conveying direction through the first step while the sheet is curved by the decurl roller.Type: GrantFiled: September 14, 2012Date of Patent: October 8, 2013Assignee: Canon Kabushiki KaishaInventors: Masahito Yoshida, Yasuhiko Ikeda, Kenji Shigeno, Koichiro Kawaguchi, Toshiki Takeuchi, Masato Izumi, Kengo Nieda, Ryosuke Sato
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Patent number: 8538316Abstract: With front face printing, the sheet fed from a sheet feeding unit is led into a nipped position between a first pinch roller and a decurling roller from a first direction, and is discharged by decurling force being applied thereto at the decurling roller. On the other hand, the sheet fed from a reverse unit is led into the nipped position from a second direction opposite to the first direction, and is discharged by decurling force being applied thereto at the decurling roller.Type: GrantFiled: November 18, 2010Date of Patent: September 17, 2013Assignee: Canon Kabushiki KaishaInventors: Kenji Shigeno, Tetsuhiro Nitta, Masato Izumi, Ryosuke Sato
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Patent number: 8494442Abstract: A communication apparatus, which is connected to a relay apparatus, and transmits data to a server apparatus connected via the relay apparatus, includes a determination unit which determines whether the communication apparatus or the relay apparatus holds an access function required to execute access processing to the server apparatus, a decision unit which decides, according to the determination result, a transmission method required to transmit the data by controlling an access processing unit of the apparatus that holds the access function to execute the access processing, and a transmission unit which transmits the data by the decided transmission method.Type: GrantFiled: June 23, 2011Date of Patent: July 23, 2013Assignee: Canon Kabushiki KaishaInventor: Ryosuke Sato
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Patent number: 8485630Abstract: A device includes a conveying roller configured to convey a recording medium, a follower roller configured to press the recording medium against the conveying roller, a detector configured to detect a direction of skew of the conveyed recording medium, and a changer configured to change a state of contact between the recording medium and the conveying roller in accordance with a result of the detection by the detector such that a length of a portion of the conveying roller that is in contact with the recording medium in a conveyance direction is larger on a side toward which the recording medium is skewed than on an opposite side.Type: GrantFiled: November 12, 2010Date of Patent: July 16, 2013Assignee: Canon Kabushiki KaishaInventors: Koichiro Kawaguchi, Yasuhiko Ikeda, Toshiki Takeuchi, Kengo Nieda, Masahito Yoshida, Masato Izumi, Kenji Shigeno, Ryosuke Sato, Noriyuki Sugiyama, Takaaki Ishida
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Publication number: 20130100193Abstract: There are provided a printing apparatus and an inspection method which can reduce a position deviation of an inspection pattern upon reading the inspection pattern to perform an accurate inspection. A sheet conveyance misalignment in a continuous sheet is corrected in a corrective unit. The inspection pattern is printed on the corrected sheet by a print head of an inkjet type, and the sheet on which the inspection pattern is printed is dried. A sheet conveyance misalignment in the dried sheet is again corrected in the corrective unit, and the inspection pattern of the corrected sheet is read to perform a color shading inspection.Type: ApplicationFiled: September 13, 2012Publication date: April 25, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Akimitsu Hoshi, Ryosuke Sato
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Publication number: 20130084046Abstract: A laser optical system using optical fiber transmission, includes a first optical fiber for transmitting laser light emitted from a laser oscillator, a collimator lens for collimating laser light emitted from the first optical fiber, a spherical array lens including a plurality of cells for converging laser light emitted from the collimator lens into a plurality of spots, a plurality of second optical fibers each having a smaller core diameter than the first optical fiber and configured to admit the laser light converged into the corresponding spot by the spherical array lens, the second optical fibers having output ends that have mutually parallel axial lines and are arranged linearly in a single row, and a linearization optical unit for shaping laser light emitted from the second optical fibers into laser light having a linear cross section at an illuminated surface.Type: ApplicationFiled: April 27, 2012Publication date: April 4, 2013Applicants: THE JAPAN STEEL WORKS, LTD., SHOWA OPTRONICS CO., LTD.Inventors: Tomonari Yahata, Yoshiaki Aida, Ryotaro Togashi, Ryosuke Sato, Toshio Inami, Hideaki Kusama
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Patent number: 8408827Abstract: A method includes pulling out and conveying a sheet having splice portions, acquiring information relating to a position of an indentation on the sheet formed in addition to a splice portion, and performing processing on the sheet but a position corresponding to the acquired position of the indentation and its vicinity.Type: GrantFiled: June 28, 2010Date of Patent: April 2, 2013Assignee: Canon Kabushiki KaishaInventors: Toshiki Takeuchi, Yasuhiko Ikeda, Koichiro Kawaguchi, Kengo Nieda, Masahito Yoshida, Masato Izumi, Kenji Shigeno, Ryosuke Sato
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Patent number: 8393705Abstract: An apparatus includes a line-type recording head including a plurality of recording elements formed thereon, a holding unit configured to hold a sheet, a conveyance mechanism configured to convey the sheet held by the holding unit to a position of recording by the recording head, a shift mechanism capable of relatively shifting a position of the sheet in a sheet width direction with respect to the recording head while the sheet is fed from the holding unit to the recording position, and a control unit configured to control the conveyance mechanism and the shift mechanism.Type: GrantFiled: November 19, 2010Date of Patent: March 12, 2013Assignee: Canon Kabushiki KaishaInventors: Kenji Shigeno, Yasuhiko Ikeda, Masahito Yoshida, Koichiro Kawaguchi, Toshiki Takeuchi, Masato Izumi, Ryosuke Sato, Kengo Nieda
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Patent number: 8387976Abstract: A sheet conveyance apparatus includes: a guide unit for guiding the side end of the sheet; a first roller pair arranged on the downstream side of the guide unit for conveying the sheet, including a driven roller held in contact with a whole sheet in a sheet width direction; and a second roller pair having a conveyance roller arranged on the downstream side of the roller and adapted to convey the sheet, and a plurality of pinch rollers pinching the sheet in cooperation with the conveyance roller, wherein each of the plurality of pinch rollers applies to the sheet a conveyance force inclined toward a conveyance path side end, which is nearer to the pinch roller, and wherein the smaller the distance between the pinch roller and the conveyance path side end, the greater the inclination of the conveyance force thereof.Type: GrantFiled: June 5, 2012Date of Patent: March 5, 2013Assignee: Canon Kabushiki KaishaInventors: Kengo Nieda, Koichiro Kawaguchi, Toshiki Takeuchi, Ryosuke Sato, Shigeru Toriihara
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Patent number: 8366104Abstract: A device includes a conveying unit conveying a sheet, a guide, disposed downstream of the conveying unit in a conveying direction, guiding one side end of the conveyed sheet while being in contact with a side end, a feeding unit obliquely conveying the sheet closer to the guide, a pressing unit pressing the conveyed sheet in a direction in which the sheet moves away from the guide, and a control unit controlling the pressing unit and the feeding unit so that the feeding unit nips the pressed sheet to form a loop in the sheet between the conveying unit and the feeding unit and then conveys the sheet while the side end of the sheet is in sliding contact with the guide.Type: GrantFiled: December 9, 2010Date of Patent: February 5, 2013Assignee: Canon Kabushiki KaishaInventors: Ryosuke Sato, Kenji Shigeno, Masato Izumi, Tetsuhiro Nitta
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Patent number: 8366253Abstract: A printer includes a set cover pivotally movably provided on a carriage. The cover can be set in a closed state in which the cover presses a head of the cartridge housed in the housing portion and an open state in which the cover opens the housing portion when the cartridge is replaced. A release lever is subjected to a bias force so as to protrude from an inner wall surface of the housing portion. The release lever is movable against the bias force. The release lever comes into contact with an end of the cartridge which faces the bottom surface when the cartridge is inserted into the housing portion. The release lever contacts the rear surface of the cartridge housed in the housing portion. The bias force is stronger when the cover is in the open state than when the cover is in the closed state.Type: GrantFiled: March 14, 2012Date of Patent: February 5, 2013Assignee: Canon Kabushiki KaishaInventors: Naohiro Iwata, Hiroyuki Kinoshita, Hideyuki Terashima, Akihiro Tomoda, Ryosuke Sato, Kosuke Yamamoto
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Publication number: 20130010043Abstract: In a first step, a sheet is conveyed in a direction, whereby a leading end portion of the sheet is fed to a position between a decurl roller and a decurl pinch roller, which are in positions spaced apart from each other. In a second step, the leading end portion of the sheet is curved and held by causing the decurl pinch roller to come close to or press against the decurl roller. In a third step, the leading end portion of the sheet is withdrawn from between the decurl roller and the decurl pinch roller by conveying the sheet in a direction opposed to the conveying direction. After executing the first to third steps, the sheet is conveyed in the conveying direction through the first step while the sheet is curved by the decurl roller.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Masahito Yoshida, Yasuhiko Ikeda, Kenji Shigeno, Koichiro Kawaguchi, Toshiki Takeuchi, Masato Izumi, Kengo Nieda, Ryosuke Sato