Patents by Inventor Keisuke Iinuma
Keisuke Iinuma 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: 20240051299Abstract: A liquid discharge cartridge manufacturing method includes a first step of individually shaping a first shaped member and a second shaped member that form a housing of a liquid discharge cartridge, and a second step of joining the first shaped member and the second shaped member to be bonded to each other with molten resin. The first step includes shaping a wall section in the first shaped member, the wall section forming a recess for accommodating the molten resin, and shaping a projection in the second shaped member, the projection extending such that the projection is located at the outer side of the wall section and adjacent to the wall section, with a predetermined gap being formed between the projection and the wall section, when the first and second shaped members are joined.Type: ApplicationFiled: October 25, 2023Publication date: February 15, 2024Inventors: Shuichi Hasegawa, Yukuo Yamaguchi, Keisuke Iinuma, Junichiro Iri
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Publication number: 20240010004Abstract: There is used a container which includes a first member which serves as a lid portion, a second member which serves as a container portion, and resin with which a flow path, which is formed between the first member and the second member when the first member and the second member come into contact with each other, is filled, the resin bonds the first member and the second member to each other by reaching a filling target position after flowing in from an inflow opening to the flow path, and an opening portion exposed to an exterior of the container is provided at a position where the resin having flowed in from the inflow opening flows out beyond the filling target position in the flow path.Type: ApplicationFiled: June 27, 2023Publication date: January 11, 2024Inventors: SHUICHI HASEGAWA, YUKUO YAMAGUCHI, KEISUKE IINUMA, JUNICHIRO IRI
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Patent number: 11833822Abstract: A liquid discharge cartridge manufacturing method includes a first step of individually shaping a first shaped member and a second shaped member that form a housing of a liquid discharge cartridge, and a second step of joining the first shaped member and the second shaped member to be bonded to each other with molten resin. The first step includes shaping a wall section in the first shaped member, the wall section forming a recess for accommodating the molten resin, and shaping a projection in the second shaped member, the projection extending such that the projection is located at the outer side of the wall section and adjacent to the wall section, with a predetermined gap being formed between the projection and the wall section, when the first and second shaped members are joined.Type: GrantFiled: June 3, 2021Date of Patent: December 5, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Shuichi Hasegawa, Yukuo Yamaguchi, Keisuke Iinuma, Junichiro Iri
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Patent number: 11254135Abstract: A sealing member is applied to the surface of a liquid storage container having a liquid supply port provided so as to be open to a concave space formed on the surface with a gap between the applied sealing member and the liquid supply ports so as to seal the concave space. The liquid supply port has a profile adapted to be inserted into and connected to a connecting portion for supplying liquid to the liquid supply port. A cut score section is formed on the sealing member as including a center point located at the position on the extension from the front end of the liquid supply port in the direction of connecting the liquid supply port to the connecting portion and the cut score section is torn as it is pressed by the connecting portion moving toward the liquid supply port.Type: GrantFiled: March 11, 2020Date of Patent: February 22, 2022Assignee: Canon Kabushiki KaishaInventors: Keisuke Iinuma, Tatsuo Nanjo, Wataru Takahashi, Kenta Udagawa
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Publication number: 20210387455Abstract: A liquid discharge cartridge manufacturing method includes a first step of individually shaping a first shaped member and a second shaped member that form a housing of a liquid discharge cartridge, and a second step of joining the first shaped member and the second shaped member to be bonded to each other with molten resin. The first step includes shaping a wall section in the first shaped member, the wall section forming a recess for accommodating the molten resin, and shaping a projection in the second shaped member, the projection extending such that the projection is located at the outer side of the wall section and adjacent to the wall section, with a predetermined gap being formed between the projection and the wall section, when the first and second shaped members are joined.Type: ApplicationFiled: June 3, 2021Publication date: December 16, 2021Inventors: Shuichi Hasegawa, Yukuo Yamaguchi, Keisuke Iinuma, Junichiro Iri
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Patent number: 10994548Abstract: Provided is a technique that enables openings for injecting liquid to be sealed with a simple and low-cost configuration. A liquid reservoir container includes: a reservoir portion configured to contain liquid in an inside of the reservoir portion and having multiple openings communicating with the inside; a supply portion connected to at least one of the openings and configured to supply liquid to the reservoir portion from a tank reserving the liquid via a flow path; and a sheet member. The liquid reservoir container supplies liquid reserved in the reservoir portion to an ejecting portion configured to eject liquid, and the sheet member is attached to the reservoir portion so as to seal an opening to which the supply portion is not connected of the multiple openings.Type: GrantFiled: August 9, 2019Date of Patent: May 4, 2021Assignee: Canon Kabushiki KaishaInventors: Keisuke Iinuma, Kenta Udagawa, Tatsuo Nanjo, Hiroshi Koshikawa
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Patent number: 10967643Abstract: Provided is a liquid ejecting apparatus comprising: a cartridge capable of ejecting a liquid stored therein; a flow channel through which the cartridge and a liquid tank capable of supplying the liquid to the cartridge are in fluid communication with each other; a closing unit capable of closing the flow channel; and a movable member configured to be operated before the cartridge and the flow channel are uncoupled. The closing unit comprises a closing member, and closes the flow channel with the closing member moved with movement of the movable member. The liquid ejecting apparatus further comprises a carriage capable of carrying the cartridge and moving during liquid ejection of the cartridge. The movable member is a covering member provided to the carriage and configured to cover the cartridge, and in replacement of the cartridge, the movable member is removed from covering the cartridge to allow access to the cartridge.Type: GrantFiled: September 4, 2019Date of Patent: April 6, 2021Assignee: Canon Kabushiki KaishaInventors: Tatsuo Nanjo, Kenta Udagawa, Hiroshi Koshikawa, Keisuke Iinuma
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Publication number: 20200298575Abstract: A sealing member is applied to the surface of a liquid storage container having a liquid supply port provided so as to be open to a concave space formed on the surface with a gap between the applied sealing member and the liquid supply ports so as to seal the concave space. The liquid supply port has a profile adapted to be inserted into and connected to a connecting portion for supplying liquid to the liquid supply port. A cut score section is formed on the sealing member as including a center point located at the position on the extension from the front end of the liquid supply port in the direction of connecting the liquid supply port to the connecting portion and the cut score section is torn as it is pressed by the connecting portion moving toward the liquid supply port.Type: ApplicationFiled: March 11, 2020Publication date: September 24, 2020Inventors: Keisuke Iinuma, Tatsuo Nanjo, Wataru Takahashi, Kenta Udagawa
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Publication number: 20200079096Abstract: Provided is a technique that enables openings for injecting liquid to be sealed with a simple and low-cost configuration. A liquid reservoir container includes: a reservoir portion configured to contain liquid in an inside of the reservoir portion and having multiple openings communicating with the inside; a supply portion connected to at least one of the openings and configured to supply liquid to the reservoir portion from a tank reserving the liquid via a flow path; and a sheet member. The liquid reservoir container supplies liquid reserved in the reservoir portion to an ejecting portion configured to eject liquid, and the sheet member is attached to the reservoir portion so as to seal an opening to which the supply portion is not connected of the multiple openings.Type: ApplicationFiled: August 9, 2019Publication date: March 12, 2020Inventors: Keisuke Iinuma, Kenta Udagawa, Tatsuo Nanjo, Hiroshi Koshikawa
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Publication number: 20200079094Abstract: Provided is a liquid ejecting apparatus comprising: a cartridge capable of ejecting a liquid stored therein; a flow channel through which the cartridge and a liquid tank capable of supplying the liquid to the cartridge are in fluid communication with each other; a closing unit capable of closing the flow channel; and a movable member configured to be operated before the cartridge and the flow channel are uncoupled. The closing unit comprises a closing member, and closes the flow channel with the closing member moved with movement of the movable member. The liquid ejecting apparatus further comprises a carriage capable of carrying the cartridge and moving during liquid ejection of the cartridge. The movable member is a covering member provided to the carriage and configured to cover the cartridge, and in replacement of the cartridge, the movable member is removed from covering the cartridge to allow access to the cartridge.Type: ApplicationFiled: September 4, 2019Publication date: March 12, 2020Inventors: Tatsuo Nanjo, Kenta Udagawa, Hiroshi Koshikawa, Keisuke Iinuma
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Patent number: 9981477Abstract: There are provided a liquid ejecting device that can efficiently supply liquid inside a liquid containing unit with a simple structure and the liquid containing unit. The present invention is the liquid ejecting device which includes a liquid container, a head that is provided on a carriage and has a liquid containing unit capable of storing liquid thereinside and a liquid ejecting unit, and a flexible member that connects the liquid container to the liquid containing unit and supplies the liquid stored inside the liquid container to the liquid containing unit. A holding member is arranged inside the liquid containing unit to hold the liquid, and the shortest distance between a supply port opened to an inside of the liquid containing unit and the holding member is 0.1 mm or more and 5.0 mm or less.Type: GrantFiled: October 14, 2016Date of Patent: May 29, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Hironori Fukuchi, Keisuke Iinuma, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki
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Patent number: 9981478Abstract: A downsized liquid ejecting device is provided. To do so, the liquid ejecting device includes a liquid container, a head provided on a carriage and having a liquid containing unit capable of storing liquid thereinside, and a liquid ejecting unit ejecting liquid, and a flexible member that connects between the liquid container and the liquid containing unit and supplies the liquid stored inside the liquid container to the liquid containing unit, and a concave portion is formed on an outer wall surface of the liquid containing unit, and a projected portion that is inserted to the flexible member is formed inside the concave portion.Type: GrantFiled: October 14, 2016Date of Patent: May 29, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Norihiro Ikebe, Yasuo Kotaki, Keiichiro Tsukuda, Tatsuo Nanjo, Keisuke Iinuma
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Patent number: 9962945Abstract: There are provided a liquid ejecting device stably containing liquid inside a liquid containing unit, a head, and a liquid filling method. The liquid ejecting device includes a liquid container that can store liquid thereinside, a head including a liquid containing unit that has a holding member capable of holding liquid thereinside and a liquid ejecting unit that ejects liquid, and a flexible member that connects the liquid container to the liquid containing unit and supplies the liquid stored inside the liquid container to the liquid containing unit, and an internal space of the liquid containing unit has a rectangular parallelepiped shape, and a value obtained by dividing a length of a long side of a cross-section along a horizontal surface in the internal space by a length of the holding member along a gravity direction is 1.5 or more in a posture having the head provided on the carriage.Type: GrantFiled: October 7, 2016Date of Patent: May 8, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Tsubasa Takaoka, Keisuke Iinuma, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki
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Publication number: 20170120608Abstract: There are provided a liquid ejecting device stably containing liquid inside a liquid containing unit, a head, and a liquid filling method. The liquid ejecting device includes a liquid container that can store liquid thereinside, a head including a liquid containing unit that has a holding member capable of holding liquid thereinside and a liquid ejecting unit that ejects liquid, and a flexible member that connects the liquid container to the liquid containing unit and supplies the liquid stored inside the liquid container to the liquid containing unit, and an internal space of the liquid containing unit has a rectangular parallelepiped shape, and a value obtained by dividing a length of a long side of a cross-section along a horizontal surface in the internal space by a length of the holding member along a gravity direction is 1.5 or more in a posture having the head provided on the carriage.Type: ApplicationFiled: October 7, 2016Publication date: May 4, 2017Inventors: Tsubasa Takaoka, Keisuke Iinuma, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki
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Publication number: 20170120613Abstract: A downsized liquid ejecting device is provided. To do so, the liquid ejecting device includes a liquid container, a head provided on a carriage and having a liquid containing unit capable of storing liquid thereinside, and a liquid ejecting unit ejecting liquid, and a flexible member that connects between the liquid container and the liquid containing unit and supplies the liquid stored inside the liquid container to the liquid containing unit, and a concave portion is formed on an outer wall surface of the liquid containing unit, and a projected portion that is inserted to the flexible member is formed inside the concave portion.Type: ApplicationFiled: October 14, 2016Publication date: May 4, 2017Inventors: Norihiro Ikebe, Yasuo Kotaki, Keiichiro Tsukuda, Tatsuo Nanjo, Keisuke Iinuma
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Publication number: 20170120612Abstract: There are provided a liquid ejecting device that can efficiently supply liquid inside a liquid containing unit with a simple structure and the liquid containing unit. The present invention is the liquid ejecting device which includes a liquid container, a head that is provided on a carriage and has a liquid containing unit capable of storing liquid thereinside and a liquid ejecting unit, and a flexible member that connects the liquid container to the liquid containing unit and supplies the liquid stored inside the liquid container to the liquid containing unit. A holding member is arranged inside the liquid containing unit to hold the liquid, and the shortest distance between a supply port opened to an inside of the liquid containing unit and the holding member is 0.1 mm or more and 5.0 mm or less.Type: ApplicationFiled: October 14, 2016Publication date: May 4, 2017Inventors: Hironori Fukuchi, Keisuke Iinuma, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki
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Patent number: 9050791Abstract: A liquid discharge head includes: a recording element substrate and a plurality of electric connection units; and an electric wiring member that includes a plurality of input terminals, a plurality wirings held between films and electrically connected to the plurality of input terminals, and a plurality of lead lines conducted to the plurality of wirings. In this case, the plurality of wirings include a power line for supplying power to the energy generation elements and a signal line for supplying a signal to the energy generation elements. Relationships of A>B and B<D are satisfied, in which A is a largest width of the signal line, B is a largest width of the lead line connected to the signal line, and D is a largest width of the lead line connected to the power line.Type: GrantFiled: July 3, 2013Date of Patent: June 9, 2015Assignee: Canon Kabushiki KaishaInventors: Keisuke Iinuma, Hiromasa Amma, Kyosuke Toda
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Patent number: D794708Type: GrantFiled: April 27, 2016Date of Patent: August 15, 2017Assignee: Canon Kabushiki KaishaInventors: Keisuke Iinuma, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki
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Patent number: D831739Type: GrantFiled: April 7, 2017Date of Patent: October 23, 2018Assignee: Canon Kabushiki KaishaInventors: Keisuke Iinuma, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki
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Patent number: D923705Type: GrantFiled: October 21, 2019Date of Patent: June 29, 2021Inventors: Wataru Takahashi, Tatsuo Nanjo, Keisuke Iinuma, Norihiro Ikebe, Kenta Udagawa