Patents by Inventor Monta Matsui
Monta Matsui 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: 10611154Abstract: In various embodiments, printing is performed in a print mode with a higher ink flow rate per unit time period in a case where a time period from a time when an ink sucking operation is performed is longer, and printing is performed in a print mode with a lower ink flow rate per unit time period in a case where the time period is shorter.Type: GrantFiled: October 2, 2018Date of Patent: April 7, 2020Assignee: Canon Kabushiki KaishaInventors: Hirokazu Yoshikawa, Yuji Hamasaki, Monta Matsui
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Patent number: 10427411Abstract: An ink-jet printing apparatus includes a print head having a first discharge port and a second discharge port, a cap, a suction unit connected to the cap for sucking ink from the print head, and a determining unit which determines one to be performed by the print head between a first printing operation using the first and second discharge ports and a second printing operation using the first discharge port only, wherein before the first printing operation, the suction unit is controlled to perform first and second suction operations sucking at different strengths. A storing unit further provided therein stores history information indicating the past performance of that the first printing operation. Before the second printing operation, the suction unit is controlled to perform the first suction operation only and, based on the history information after the printing operation, perform the second suction operation.Type: GrantFiled: December 20, 2018Date of Patent: October 1, 2019Assignee: Canon Kabushiki KaishaInventors: Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui, Satoko Yaita
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Patent number: 10286649Abstract: An inkjet recording apparatus includes a recording head including a first discharge port configured to discharge a first amount of ink droplets and a second discharge port configured to discharge a second amount of ink droplets smaller than the first amount, a cap, a suction unit, and a determination unit configured to determine whether to perform a first recording operation by using the first and second discharge ports or a second recording operation by only using the first discharge port. If the first recording operation is determined to be performed, the suction unit performs a first suction operation with a first strength and a second suction operation with a second strength higher than the first strength. If the second recording operation is determined to be performed, the suction unit is controlled not to perform the second suction operation and to perform the first suction operation.Type: GrantFiled: July 25, 2017Date of Patent: May 14, 2019Assignee: Canon Kabushiki KaishaInventors: Satoko Furuyama, Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui
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Publication number: 20190118536Abstract: An ink-jet printing apparatus includes a print head having a first discharge port and a second discharge port, a cap, a suction unit connected to the cap for sucking ink from the print head, and a determining unit which determines one to be performed by the print head between a first printing operation using the first and second discharge ports and a second printing operation using the first discharge port only, wherein before the first printing operation, the suction unit is controlled to perform first and second suction operations sucking at different strengths. A storing unit further provided therein stores history information indicating the past performance of that the first printing operation. Before the second printing operation, the suction unit is controlled to perform the first suction operation only and, based on the history information after the printing operation, perform the second suction operation.Type: ApplicationFiled: December 20, 2018Publication date: April 25, 2019Inventors: Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui, Satoko Yaita
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Patent number: 10201977Abstract: An ink-jet printing apparatus includes a print head having a first discharge port and a second discharge port, a cap, a suction unit connected to the cap for sucking ink from the print head, and a determining unit which determines one to be performed by the print head between a first printing operation using the first and second discharge ports and a second printing operation using the first discharge port only, wherein before the first printing operation, the suction unit is controlled to perform first and second suction operations sucking at different strengths. A storing unit further provided therein stores history information indicating the past performance of that the first printing operation. Before the second printing operation, the suction unit is controlled to perform the first suction operation only and, based on the history information after the printing operation, perform the second suction operation.Type: GrantFiled: July 25, 2017Date of Patent: February 12, 2019Assignee: Canon Kabushiki KaishaInventors: Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui, Satoko Furuyama
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Publication number: 20190030896Abstract: In various embodiments, printing is performed in a print mode with a higher ink flow rate per unit time period in a case where a time period from a time when an ink sucking operation is performed is longer, and printing is performed in a print mode with a lower ink flow rate per unit time period in a case where the time period is shorter.Type: ApplicationFiled: October 2, 2018Publication date: January 31, 2019Inventors: Hirokazu Yoshikawa, Yuji Hamasaki, Monta Matsui
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Patent number: 10118393Abstract: In various embodiments, printing is performed in a print mode with a higher ink flow rate per unit time period in a case where a time period from a time when an ink sucking operation is performed is longer, and printing is performed in a print mode with a lower ink flow rate per unit time period in a case where the time period is shorter.Type: GrantFiled: October 25, 2016Date of Patent: November 6, 2018Assignee: Canon Kabushiki KaishaInventors: Hirokazu Yoshikawa, Yuji Hamasaki, Monta Matsui
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Publication number: 20180029356Abstract: An inkjet recording apparatus includes a recording head including a first discharge port configured to discharge a first amount of ink droplets and a second discharge port configured to discharge a second amount of ink droplets smaller than the first amount, a cap, a suction unit, and a determination unit configured to determine whether to perform a first recording operation by using the first and second discharge ports or a second recording operation by only using the first discharge port. If the first recording operation is determined to be performed, the suction unit performs a first suction operation with a first strength and a second suction operation with a second strength higher than the first strength. If the second recording operation is determined to be performed, the suction unit is controlled not to perform the second suction operation and to perform the first suction operation.Type: ApplicationFiled: July 25, 2017Publication date: February 1, 2018Inventors: Satoko Furuyama, Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui
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Publication number: 20180029371Abstract: An ink-jet printing apparatus includes a print head having a first discharge port and a second discharge port, a cap, a suction unit connected to the cap for sucking ink from the print head, and a determining unit which determines one to be performed by the print head between a first printing operation using the first and second discharge ports and a second printing operation using the first discharge port only, wherein before the first printing operation, the suction unit is controlled to perform first and second suction operations sucking at different strengths. A storing unit further provided therein stores history information indicating the past performance of that the first printing operation. Before the second printing operation, the suction unit is controlled to perform the first suction operation only and, based on the history information after the printing operation, perform the second suction operation.Type: ApplicationFiled: July 25, 2017Publication date: February 1, 2018Inventors: Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui, Satoko Furuyama
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Patent number: 9770911Abstract: In a liquid ejection head and a liquid ejection apparatus that can suppress deterioration of image quality, a plurality of second beam-shaped member is provided on the downstream side of a first beam-shaped member in a flow passage connected to an ejection element substrate. The first beam-shaped member divides the flow passage into two flow passages in a liquid-flowing direction and the second beam-shaped member sandwich a line extending from the first beam-shaped member in the liquid-flowing direction.Type: GrantFiled: May 20, 2016Date of Patent: September 26, 2017Assignee: Canon Kabushiki KaishaInventors: Genji Inada, Hiromasa Amma, Takuya Iwano, Chiaki Muraoka, Tokuji Kudo, Shimpei Yoshikawa, Monta Matsui
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Publication number: 20170120598Abstract: In various embodiments, printing is performed in a print mode with a higher ink flow rate per unit time period in a case where a time period from a time when an ink sucking operation is performed is longer, and printing is performed in a print mode with a lower ink flow rate per unit time period in a case where the time period is shorter.Type: ApplicationFiled: October 25, 2016Publication date: May 4, 2017Inventors: Hirokazu Yoshikawa, Yuji Hamasaki, Monta Matsui
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Patent number: 9630409Abstract: A liquid discharge head includes a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening.Type: GrantFiled: July 20, 2016Date of Patent: April 25, 2017Assignee: Canon Kabushiki KaishaInventors: Yoshihiro Hamada, Masaki Oikawa, Hiroshi Yamada, Atsushi Omura, Takuma Kodoi, Tomotsugu Kuroda, Tomoyuki Tenkawa, Monta Matsui
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Patent number: 9623661Abstract: An apparatus includes a print head, a cap unit configured to cap a portion including a nozzle of the print head to form a small space, and a supply unit configured to supply gas for protecting the nozzle to the small space, wherein the supply unit performs a charge on another space to be connected to the small space to have a pressure different from that in the small space, and supplies the gas to the small space by a gas flow generated by releasing the charge.Type: GrantFiled: October 30, 2015Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Monta Matsui, Makoto Torigoe, Atsuhiko Masuyama, Naomi Yamamoto
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Patent number: 9573381Abstract: An embodiment of this invention implements both suppression of occurrence of a print failure, and suppression of wasteful ink consumption along with bubble exhaust. Bubble sucking is performed as follows in a printing apparatus including a printhead in which a plurality of orifices are provided for discharging ink, an ink tank for supplying ink to the printhead through an ink channel, and a suction unit configured to suck ink from the orifices. A bubble is injected to the ink channel by using, for example, a pump and hollow needle. After injecting the bubble to the ink channel, the suction unit is operated to suck the injected bubble from the orifices.Type: GrantFiled: November 3, 2014Date of Patent: February 21, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Hidehiko Kanda, Monta Matsui
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Publication number: 20170021621Abstract: A liquid discharge head includes a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening.Type: ApplicationFiled: July 20, 2016Publication date: January 26, 2017Inventors: Yoshihiro Hamada, Masaki Oikawa, Hiroshi Yamada, Atsushi Omura, Takuma Kodoi, Tomotsugu Kuroda, Tomoyuki Tenkawa, Monta Matsui
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Publication number: 20160347073Abstract: Provided are a liquid ejection head and a liquid ejection apparatus which make it possible to suppress deterioration of image quality. Therefore, a plurality of second beam-shaped members is provided on the downstream side of a first beam-shaped member which divides a flow passage connected to an ejection element substrate into two flow passages in a liquid-flowing direction so as to sandwich a line extending the first beam-shaped member in the liquid-flowing direction.Type: ApplicationFiled: May 20, 2016Publication date: December 1, 2016Inventors: Genji Inada, Hiromasa Amma, Takuya Iwano, Chiaki Muraoka, Tokuji Kudo, Shimpei Yoshikawa, Monta Matsui
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Publication number: 20160121613Abstract: An apparatus includes a print head, a cap unit configured to cap a portion including a nozzle of the print head to form a small space, and a supply unit configured to supply gas for protecting the nozzle to the small space, wherein the supply unit performs a charge on another space to be connected to the small space to have a pressure different from that in the small space, and supplies the gas to the small space by a gas flow generated by releasing the charge.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Inventors: Monta Matsui, Makoto Torigoe, Atsuhiko Masuyama, Naomi Yamamoto
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Publication number: 20150145933Abstract: An embodiment of this invention implements both suppression of occurrence of a print failure, and suppression of wasteful ink consumption along with bubble exhaust. Bubble sucking is performed as follows in a printing apparatus including a printhead in which a plurality of orifices are provided for discharging ink, an ink tank for supplying ink to the printhead through an ink channel, and a suction unit configured to suck ink from the orifices. A bubble is injected to the ink channel by using, for example, a pump and hollow needle. After injecting the bubble to the ink channel, the suction unit is operated to suck the injected bubble from the orifices.Type: ApplicationFiled: November 3, 2014Publication date: May 28, 2015Inventors: Hidehiko Kanda, Monta Matsui